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-   -   Why do SACDs sound better? (Soft troll) (https://www.audiobanter.co.uk/uk-rec-audio-general-audio/92-why-do-sacds-sound-better.html)

Keith G July 14th 03 05:47 PM

Why do SACDs sound better? (Soft troll)
 
Given that my own preferences are for vinyl and that I think all 'digital'
music is crap compared with it, I am, nevertheless, interested to know why
exactly is it that SACDs (stereo) sound so much better than the equivalent
CDs?

Anyone who says they don't is lying (if only to themselves) - sticks out
like a chapel hatpeg....









Keith G July 14th 03 06:45 PM

Why do SACDs sound better? (Soft troll)
 
"Julian Fowler" wrote in message
...
On Mon, 14 Jul 2003 18:47:33 +0100, "Keith G"
wrote:

Given that my own preferences are for vinyl and that I think all

'digital'
music is crap compared with it, I am, nevertheless, interested to know

why
exactly is it that SACDs (stereo) sound so much better than the

equivalent
CDs?


They don't, if the same master is used.

Anyone who says they don't is lying (if only to themselves) - sticks out
like a chapel hatpeg....


As has been pointed out numerous times, (almost) all SACD (or DVD-A,
or whatever) releases have been remastered for that format




Nooooo.....

I'm talking about disks where there are both CD and SACD versions of the
same music. What about DSOTM - does that have differently mastered versions
on it then?



- either
addressing deficiencies in earlier CD masters, or simply to be
sufficiently "different" that consumers don't start questioning the
£££ they've spent on a new player, or the ££ they've spent on
purchasing yet another version of a release they've probably acquired
in several other formats.



Yes, bit like picture discs and coloured vinyl, I suppose....



Really, Keith, you must try and keep up ....



I know - I've finally got my MP3s sorted but I've now got 3,000+ LPs still
need cleaning......

;-)








Julian Fowler July 14th 03 07:01 PM

Why do SACDs sound better? (Soft troll)
 
On Mon, 14 Jul 2003 19:45:42 +0100, "Keith G"
wrote:

"Julian Fowler" wrote in message
.. .
On Mon, 14 Jul 2003 18:47:33 +0100, "Keith G"
wrote:

Given that my own preferences are for vinyl and that I think all

'digital'
music is crap compared with it, I am, nevertheless, interested to know

why
exactly is it that SACDs (stereo) sound so much better than the

equivalent
CDs?


They don't, if the same master is used.

Anyone who says they don't is lying (if only to themselves) - sticks out
like a chapel hatpeg....


As has been pointed out numerous times, (almost) all SACD (or DVD-A,
or whatever) releases have been remastered for that format




Nooooo.....

I'm talking about disks where there are both CD and SACD versions of the
same music. What about DSOTM - does that have differently mastered versions
on it then?


I believe so ... the blurb says that " The other layer includes
high-resolution stereo and a 5.1 surround version of the recording
that works on SACD-compatible DVD players and home theatre systems. "
The 5:1 is not just a remaster, its a remix (and would therefore sound
as different from the standard CD as the Quad vinyl did from the
original LP). Even if "standard" mastering techniques had been used
to create the "high-resolution stereo" version, there's every reason
to suppose that the mastering engineer took decisions based on the
target hardware and wouldn't have sought to recreate every nuance of
the 16/44.1 redbook version.

I can't confirm, but I bet that the standard CD version is taken from
the same master as used for the 25th anniversary edition (which, in
turn, sounds very different from early CD releases, presumably because
they went back to something close to the original studio master).

I've only heard the 5:1 version once (and wasn't hugely impressed) -
can anyone who owns the 30th anniversary release comment on
differences between the three versions on that disc and the 25th
anniversary version?

Julian


--
Julian Fowler
julian (at) bellevue-barn (dot) org (dot) uk

Jim H July 14th 03 07:45 PM

Why do SACDs sound better? (Soft troll)
 
On Mon, 14 Jul 2003 18:47:33 +0100, Keith G wrote:

Given that my own preferences are for vinyl and that I think all
'digital'
music is crap compared with it, I am, nevertheless, interested to know
why
exactly is it that SACDs (stereo) sound so much better than the
equivalent
CDs?

Anyone who says they don't is lying (if only to themselves) - sticks out
like a chapel hatpeg....


I am yet to hear a SACD, but the reason they supposedly sound better is a
higher sample frequency, bringing the digital waveform closer to the
analogue ideal. Its similar in some ways to having an raster image use more
pixels. There is also a simpler method of encoding, although what effect
this has on the sound I'm not sure.

That's not to say analogue is ideal, there's a trade off between analogue
accuracy and digital precision. On my current system I prefer cd, but then
my tt is nothing special.

--
Jim H

Keith G July 14th 03 07:49 PM

Why do SACDs sound better? (Soft troll)
 
"Julian Fowler" wrote in message
...
On Mon, 14 Jul 2003 19:45:42 +0100, "Keith G"
wrote:

"Julian Fowler" wrote in message
.. .
On Mon, 14 Jul 2003 18:47:33 +0100, "Keith G"
wrote:

Given that my own preferences are for vinyl and that I think all

'digital'
music is crap compared with it, I am, nevertheless, interested to know

why
exactly is it that SACDs (stereo) sound so much better than the

equivalent
CDs?

They don't, if the same master is used.

Anyone who says they don't is lying (if only to themselves) - sticks

out
like a chapel hatpeg....

As has been pointed out numerous times, (almost) all SACD (or DVD-A,
or whatever) releases have been remastered for that format




Nooooo.....

I'm talking about disks where there are both CD and SACD versions of the
same music. What about DSOTM - does that have differently mastered

versions
on it then?


I believe so ... the blurb says that " The other layer includes
high-resolution stereo and a 5.1 surround version of the recording
that works on SACD-compatible DVD players and home theatre systems. "
The 5:1 is not just a remaster, its a remix (and would therefore sound
as different from the standard CD as the Quad vinyl did from the
original LP). Even if "standard" mastering techniques had been used
to create the "high-resolution stereo" version, there's every reason
to suppose that the mastering engineer took decisions based on the
target hardware and wouldn't have sought to recreate every nuance of
the 16/44.1 redbook version.

I can't confirm, but I bet that the standard CD version is taken from
the same master as used for the 25th anniversary edition (which, in
turn, sounds very different from early CD releases, presumably because
they went back to something close to the original studio master).

I've only heard the 5:1 version once (and wasn't hugely impressed) -
can anyone who owns the 30th anniversary release comment on
differences between the three versions on that disc and the 25th
anniversary version?




Since posting I've been told the CD version on the new hybrid is the
'traditional' CD version and the 5.1.stereo SACD versions are
remixes/remasters, as you say.

OK, that's DSOTM sorted - still leaves my original question which I will
word in a less troll-like way thus:

If even I, a self-styled 'vinyphile', who is not in the least bit discerning
when it comes to 'digital' music and for whom MP3/128 will do perfectly well
for those occasions when it is sufficient to only use digital music, can
easily tell the difference on a couple of CD/SACD stereo hybrid disks (and
thereby deem it safe to presume that everyone else can) therefore ask what
it is that makes the difference so obvious?

No good saying there is 'no' difference - a blind man could see it at
midnight, on a foggy day. (To maintain 'no audible difference' would be to
demonstrate 'denial' on the level of some severe form of pathological
neurosis.......)

Hmmm?


(How's that then? - Managed to ask a 'digital' question without using the
word '****e' once...!! :-)












Julian Fowler July 14th 03 08:17 PM

Why do SACDs sound better? (Soft troll)
 
On Mon, 14 Jul 2003 20:49:16 +0100, "Keith G"
wrote:

snip

If even I, a self-styled 'vinyphile', who is not in the least bit discerning
when it comes to 'digital' music and for whom MP3/128 will do perfectly well
for those occasions when it is sufficient to only use digital music, can
easily tell the difference on a couple of CD/SACD stereo hybrid disks (and
thereby deem it safe to presume that everyone else can) therefore ask what
it is that makes the difference so obvious?

No good saying there is 'no' difference - a blind man could see it at
midnight, on a foggy day. (To maintain 'no audible difference' would be to
demonstrate 'denial' on the level of some severe form of pathological
neurosis.......)


If there is an obvious audio difference, the overwhelming probability
is that the CD and SACD versions have (at least) been mastered
differently. I've yet to hear of any dual-format release where the
only difference is definitely known to be in the number of bits and
the sampling frequency used ...

Hmmm?

(How's that then? - Managed to ask a 'digital' question without using the
word '****e' once...!! :-)


Yes, but you used "mp3" which means the same thing :-)

Julian


--
Julian Fowler
julian (at) bellevue-barn (dot) org (dot) uk

RobH July 14th 03 08:58 PM

(O/T) - Why do SACDs sound better? (Soft troll)
 

"Keith G" wrote in message
...
Given that my own preferences are for vinyl and that I think all

'digital'
music is crap compared with it, I am, nevertheless, interested to know

why
exactly is it that SACDs (stereo) sound so much better than the

equivalent
CDs?

I'm curious to know at what point music becomes "crap" if it is
digitized. You have a preference for vinyl but many of the classical LPs
that I have are "original digital recordings" - are they then "crap"?

Personally I find all the recording analogue and digital formats that
I've heard are "crap" in comparison with real live music.

Anyone who says they don't is lying (if only to themselves) - sticks

out
like a chapel hatpeg....

Are you related to DABSWTFM by any chance?



--
RobH
The future's dim, the future's mono.



MiNe 109 July 14th 03 09:12 PM

Why do SACDs sound better? (Soft troll)
 
In article ,
"Keith G" wrote:

DSOTM

Since posting I've been told the CD version on the new hybrid is the
'traditional' CD version and the 5.1.stereo SACD versions are
remixes/remasters, as you say.


The PCM layer is evidently a new mastering:

http://www.stereophile.com/showarchives.cgi?852

Don't throw away the original lps...

Stephen

John Phillips July 14th 03 09:16 PM

Why do SACDs sound better? (Soft troll)
 
In article , Keith G wrote:
Given that my own preferences are for vinyl and that I think all 'digital'
music is crap compared with it, I am, nevertheless, interested to know why
exactly is it that SACDs (stereo) sound so much better than the equivalent
CDs?


Well, even having never heard a SACD, I would dare to say that one element
is that digital audio production in itself is still getting better (IMHO,
I guess I should add - I'm sure there are those who will disagree but
I will give just some examples for why I suggest this).

First, many of the DDD CDs I have from the 80s (but not all) are very
flat in sound quality, regardless of performance quality.

However, I have CDs of analogue recordings from the 1960s onwards
with modern (1990s onward) digital mastering. Most sound marvellous.
Full of life and full of the ambience of the recording venue. For example
Boehm's 1967 Wagner Ring which just drips with the Bayreuth Festspielhaus
accoustic (even through the audible tape hiss).

Another specific example: I have a 1985 CD of a rather splendid 1975
performance conducted by Carlos Kleiber of Beethoven's Symphony No. 5. It
sounds flat. I also have the 1995 re-mastered CD. Even after correcting
for the higher level of the newer CD, it has bags more ambience. In many
ways it's much more like the 1970s LP I have of the same performance.

Actually I will listen to and enjoy that recording on any reasonable
medium - the performance is superb and the medium does not detract from
that. I also have CDs of superb performances back to the late 1920s
(e.g. Bix Beiderbecke and Pablo Casals) which a digital purist would
probably consider unlistenable.

In my own experience, generalizations about CDs being better than vinyl
are as just as false as generalizations that vinyl is better than CD.
I dare to suggest the same today about the generalization of SACD
versus CD. I am fairly sure digital production has a long way to go yet.

Anyone who says they don't is lying (if only to themselves) - sticks out
like a chapel hatpeg....


Myself, I would have kept up the former dignity. Tsk!

--
John Phillips

Keith G July 14th 03 09:42 PM

Why do SACDs sound better? (Soft troll)
 
"MiNe 109" wrote in message
...
In article ,
"Keith G" wrote:

DSOTM

Since posting I've been told the CD version on the new hybrid is the
'traditional' CD version and the 5.1.stereo SACD versions are
remixes/remasters, as you say.


The PCM layer is evidently a new mastering:

http://www.stereophile.com/showarchives.cgi?852



Yup, this para explains all:

"This hybrid disc has everything the format can offer: two-channel stereo CD
and SACD layers, as well as a 5.1-channel surround mix. The stereo mixes are
remastered from the original 1973 two-track master. The multichannel track,
an entirely new mix made from the original multitrack elements and kept in
the analog domain until converted to DSD, was begun by James Guthrie in late
2002 and finished in February 2003. With a thick, full-color booklet and an
imaginative new cover, this is one of the best reissue values I've seen. "


Don't throw away the original lps...





No chance of that happening....... ;-)










Keith G July 14th 03 10:16 PM

(O/T) - Why do SACDs sound better? (Soft troll)
 
"RobH" wrote in
message ...

"Keith G" wrote in message
...
Given that my own preferences are for vinyl and that I think all

'digital'
music is crap compared with it, I am, nevertheless, interested to know

why
exactly is it that SACDs (stereo) sound so much better than the

equivalent
CDs?

I'm curious to know at what point music becomes "crap" if it is
digitized. You have a preference for vinyl but many of the classical LPs
that I have are "original digital recordings" - are they then "crap"?



Not necessarily, I have a dozen or more 'digitally' produced Warner Bros Ry
Cooder LPs which sound excellent but I also have a Vox/Pioneer 'Digital
Recording' LP ( Mahler 1 - H10002V) which proudly lists:

Tech Spec:
PCM -1600 Digital Recording system
Sampling Rate: 44,056
Encoding: 16 Bit linear
Frequency Response: +0, -0.5dB; 4 Hz to 20 Hz
Microphones (2) B & K 4133/2619, Levinson ML-8 Pre-amps
All distortions less than .05%
Mixing Electronics: Levinson LNP-2
Monitor System: Levinson HQD
Producer and Balance Engineer: Brian Culverhouse
Production Advisor: George H de Mendelssohn-Bartholdy
Digital Recording: Digital Recording Systems Co., Inc.
Digital Editing: Sony DEC-1000 (prototype)


Impressive huh? - Tells you everything except what fillings they had in the
sangies, doesn't it? Trouble is I have a number of other (bog-ordinaire)
recordings that sound better. It's very well played, a bit spitchy but,
worst of all is lacking in 'life' and 'ambience' and a bit 'dull' compared
with some of the others. If I can possibly get the time, I will make some
comparisons (as I will with many other pieces of music I have on a number of
different discs) with a view to posting the results on the new vinyl group
some time.



Personally I find all the recording analogue and digital formats that
I've heard are "crap" in comparison with real live music.



I never compare the two. When I play a record I'm playing a bloody record,
not trying to recreate some sad-arsed past 'live event'. (If my records
sounded as disappointing as some of the 'live music' I've heard in my time,
I'd ditch 'em!)



Anyone who says they don't is lying (if only to themselves) - sticks

out
like a chapel hatpeg....

Are you related to DABSWTFM by any chance?



Who he?







Keith G July 14th 03 10:20 PM

Why do SACDs sound better? (Soft troll)
 
"Julian Fowler" wrote in message
...
On Mon, 14 Jul 2003 20:49:16 +0100, "Keith G"
wrote:

snip

If even I, a self-styled 'vinyphile', who is not in the least bit

discerning
when it comes to 'digital' music and for whom MP3/128 will do perfectly

well
for those occasions when it is sufficient to only use digital music, can
easily tell the difference on a couple of CD/SACD stereo hybrid disks

(and
thereby deem it safe to presume that everyone else can) therefore ask

what
it is that makes the difference so obvious?

No good saying there is 'no' difference - a blind man could see it at
midnight, on a foggy day. (To maintain 'no audible difference' would be

to
demonstrate 'denial' on the level of some severe form of pathological
neurosis.......)


If there is an obvious audio difference, the overwhelming probability
is that the CD and SACD versions have (at least) been mastered
differently. I've yet to hear of any dual-format release where the
only difference is definitely known to be in the number of bits and
the sampling frequency used ...



I even wondered if the CD 'side' had been 'hit wiv a stick' to make the SACD
version sound better. (Worked for Minidiscs - they always came out a dB or
so 'fuller', I reckon... ;-)



Hmmm?

(How's that then? - Managed to ask a 'digital' question without using the
word '****e' once...!! :-)


Yes, but you used "mp3" which means the same thing :-)



Nowt wrong with an MP3/128 DAC'd through valves (or even on the computer)
when you haven got time to ponce about with records - still beats the ****e
you get on the wireless these days!








Keith G July 14th 03 10:22 PM

Why do SACDs sound better? (Soft troll)
 
"Jim H" wrote in message
...
On Mon, 14 Jul 2003 18:47:33 +0100, Keith G wrote:

Given that my own preferences are for vinyl and that I think all
'digital'
music is crap compared with it, I am, nevertheless, interested to know
why
exactly is it that SACDs (stereo) sound so much better than the
equivalent
CDs?

Anyone who says they don't is lying (if only to themselves) - sticks out
like a chapel hatpeg....


I am yet to hear a SACD, but the reason they supposedly sound better is a
higher sample frequency, bringing the digital waveform closer to the
analogue ideal.



:-)


Its similar in some ways to having an raster image use more
pixels. There is also a simpler method of encoding, although what effect
this has on the sound I'm not sure.

That's not to say analogue is ideal, there's a trade off between analogue
accuracy and digital precision. On my current system I prefer cd, but then
my tt is nothing special.



OK, give us the spec. then and we'll tweak it up for you - wotcha got?






Chesney Christ July 14th 03 10:24 PM

Why do SACDs sound better? (Soft troll)
 
A certain Keith G, of uk.rec.audio "fame", writes :

Nooooo.....

I'm talking about disks where there are both CD and SACD versions of the
same music.


It depends whether or not they are taken from the same master.

If you take the same master and put it on SACD and CD, they will both be
identical. Any differences will be down to differences in the player,
not the recording.

--

"Jokes mentioning ducks were considered particularly funny." - cnn.com


Chesney Christ July 14th 03 10:31 PM

Why do SACDs sound better? (Soft troll)
 
A certain Keith G, of uk.rec.audio "fame", writes :

I even wondered if the CD 'side' had been 'hit wiv a stick' to make the SACD
version sound better.


After adding my other responses, a really obvious thing occurred to me.
If these are 5.1 remixes, then the mastering engineer will have had to
go back to the original multitracks. If you're a real purist, this means
that they are essentially a different work of art in some respects to
the original locked down mastertapes. Two different engineers (or even
the same engineer, particularly if working years later) will always
produce a different master tape from the same multitrack session tape
each time.

(Worked for Minidiscs - they always came out a dB or
so 'fuller', I reckon... ;-)


The sound on MD will of course have been distorted slightly by the
compression used.

(How's that then? - Managed to ask a 'digital' question without using the
word '****e' once...!! :-)


Yes, but you used "mp3" which means the same thing :-)


Nowt wrong with an MP3/128 DAC'd through valves


I do not understand the point in distorting a sound and then putting it
through valves to warm it up. MP3s are certainly brilliant for making
music practical, but they distinctly subtract from the listening
experience IMHO at 128kbps.

(or even on the computer)


Yech, standard computer soundcards (even Creative Labs) sound awful and
are full of noise and distortion. Definitely surprised that you'd not
complain about this as loudly as you'd complain about CD.

--

"Jokes mentioning ducks were considered particularly funny." - cnn.com


Keith G July 14th 03 10:31 PM

Why do SACDs sound better? (Soft troll)
 
"John Phillips" wrote in message
...
In article , Keith G wrote:
Given that my own preferences are for vinyl and that I think all

'digital'
music is crap compared with it, I am, nevertheless, interested to know

why
exactly is it that SACDs (stereo) sound so much better than the

equivalent
CDs?


Well, even having never heard a SACD, I would dare to say that one element
is that digital audio production in itself is still getting better (IMHO,
I guess I should add - I'm sure there are those who will disagree but
I will give just some examples for why I suggest this).

First, many of the DDD CDs I have from the 80s (but not all) are very
flat in sound quality, regardless of performance quality.

However, I have CDs of analogue recordings from the 1960s onwards
with modern (1990s onward) digital mastering. Most sound marvellous.
Full of life and full of the ambience of the recording venue. For example
Boehm's 1967 Wagner Ring which just drips with the Bayreuth Festspielhaus
accoustic (even through the audible tape hiss).



Tape hiss? (He says while taping a couple of New Orleans Jazz LPs as he
types.....) What's that then? Is it like the 'needle noise, pops and tics'
that make LPs 'unlistenable?

;-)

Yer hafta larf......



Another specific example: I have a 1985 CD of a rather splendid 1975
performance conducted by Carlos Kleiber of Beethoven's Symphony No. 5. It
sounds flat. I also have the 1995 re-mastered CD. Even after correcting
for the higher level of the newer CD, it has bags more ambience. In many
ways it's much more like the 1970s LP I have of the same performance.

Actually I will listen to and enjoy that recording on any reasonable
medium - the performance is superb and the medium does not detract from
that. I also have CDs of superb performances back to the late 1920s
(e.g. Bix Beiderbecke and Pablo Casals) which a digital purist would
probably consider unlistenable.



Digital 'purist'? That's a good way of putting it it!



In my own experience, generalizations about CDs being better than vinyl
are as just as false as generalizations that vinyl is better than CD.
I dare to suggest the same today about the generalization of SACD
versus CD. I am fairly sure digital production has a long way to go yet.

Anyone who says they don't is lying (if only to themselves) - sticks out
like a chapel hatpeg....


Myself, I would have kept up the former dignity. Tsk!




I know, I've spent too long on this group seeing vinyl get bashed to death
by a few, er, 'digital purists'.... ;-)







Chesney Christ July 14th 03 10:38 PM

Why do SACDs sound better? (Soft troll)
 
A certain John Phillips, of uk.rec.audio "fame", writes :
However, I have CDs of analogue recordings from the 1960s onwards
with modern (1990s onward) digital mastering. Most sound marvellous.
Full of life and full of the ambience of the recording venue. For example
Boehm's 1967 Wagner Ring which just drips with the Bayreuth Festspielhaus
accoustic (even through the audible tape hiss).


Indeed. The analogue tape decks at the time, if properly aligned and set
up, were very good, and things improved a bit on the hiss front whenever
Dolby came along. I agree that many earlier CDs were indeed crap due to
dodgy mastering and dodgy equipment - amazing how an old recording can
really shine through in the hands of a good engineer.

In my own experience, generalizations about CDs being better than vinyl
are as just as false as generalizations that vinyl is better than CD.
I dare to suggest the same today about the generalization of SACD
versus CD. I am fairly sure digital production has a long way to go yet.


Leaving aside the X vs Y business, I'd say stereo digital reproduction
is pretty much as good as it needs to be right now; the signal recorded
is essentially identical to the input signal. There's not much room for
improvement at the moment.

--

"Jokes mentioning ducks were considered particularly funny." - cnn.com


Keith G July 14th 03 10:41 PM

Why do SACDs sound better? (Soft troll)
 

"Chesney Christ" wrote in message
...
A certain Keith G, of uk.rec.audio "fame", writes :
Given that my own preferences are for vinyl and that I think all

'digital'
music is crap compared with it, I am, nevertheless, interested to know

why
exactly is it that SACDs (stereo) sound so much better than the

equivalent
CDs?


There's any number of reasons, but I'm inclined to believe that
significant differences would result from better mastering on the SACD.



OK, I'm specifically talking about a couple of hybrid disks played on my (no
longer) Sony SCD-XB940 CD/SACD Player, where you could literally 'back to
back' the two (stereo) modes via the Remote Control. (Ie start and play any
given track in either 'mode') All who heard them picked the SACD as the
better sound every time. IIRC, this was 100% - no exceptions.......







Chesney Christ July 14th 03 10:54 PM

Why do SACDs sound better? (Soft troll)
 
A certain Keith G, of uk.rec.audio "fame", writes :
There's any number of reasons, but I'm inclined to believe that
significant differences would result from better mastering on the SACD.


OK, I'm specifically talking about a couple of hybrid disks played on my (no
longer) Sony SCD-XB940 CD/SACD Player, where you could literally 'back to
back' the two (stereo) modes via the Remote Control.


I'm sure, but just because they are on the same physical disc, doesn't
say anything about from where each recording was sourced or what
different treatments were applied to each. There's nothing to stop them
putting two completely different albums on the two separate hybrid
layers.

(Ie start and play any
given track in either 'mode') All who heard them picked the SACD as the
better sound every time. IIRC, this was 100% - no exceptions.......


The conclusion you are hinting at, namely that there is something
inherently better about SACD playback, is only one of many possible
reasons why they may sound different.

BTW, as an exercise, try getting a friend/offspring/sibling/spouse to
switch them for you, and double check that you can easily discern the
difference blindfolded. See if you can easily tell the difference. For
the test to work, obviously your friend isn't meant to give you any hint
about which is playing, and you should be able to distinguish the
recordings 80% of the time.

--

"Jokes mentioning ducks were considered particularly funny." - cnn.com


Keith G July 14th 03 11:41 PM

Why do SACDs sound better? (Soft troll)
 
"Chesney Christ" wrote in message
...
A certain Keith G, of uk.rec.audio "fame", writes :

I even wondered if the CD 'side' had been 'hit wiv a stick' to make the

SACD
version sound better.


After adding my other responses, a really obvious thing occurred to me.
If these are 5.1 remixes, then the mastering engineer will have had to
go back to the original multitracks. If you're a real purist, this means
that they are essentially a different work of art in some respects to
the original locked down mastertapes. Two different engineers (or even
the same engineer, particularly if working years later) will always
produce a different master tape from the same multitrack session tape
each time.




Yup, kinda lets the air out of the 'accurists' balloon a tad......



Nowt wrong with an MP3/128 DAC'd through valves


I do not understand the point in distorting a sound and then putting it
through valves to warm it up. MP3s are certainly brilliant for making
music practical, but they distinctly subtract from the listening
experience IMHO at 128kbps.

(or even on the computer)


Yech, standard computer soundcards (even Creative Labs) sound awful and
are full of noise and distortion. Definitely surprised that you'd not
complain about this as loudly as you'd complain about CD.



There are some fairly wobbly little tracks on my 'Vinyl Page'
http://www.apah69.dsl.pipex.com/keith_g/vinyl/vinyl.htm if you want to hear
what I consider 'acceptable' by way of 128 MP3s recorded from vinyl, warts
an' all. (Give you a larf if nothing else.) They sound good enough to me on
my machine with my Harmon Kardon speakers/sub setup.

(Don't be too hard on the Shure V15 - I've only just got the bias weight
hacked down to a fraction of that supplied with my new deck and I need to
spend some time on the VTA since we had a bit of 'tweak up' a few days
back...... :-)








Keith G July 14th 03 11:55 PM

Why do SACDs sound better? (Soft troll)
 
"Chesney Christ" wrote in message
...
A certain Keith G, of uk.rec.audio "fame", writes :

Tape hiss? (He says while taping a couple of New Orleans Jazz LPs as he
types.....) What's that then? Is it like the 'needle noise, pops and

tics'
that make LPs 'unlistenable?


Hiss is that background noise which annoys pretty much anyone,
particularly on cheap cassettes. You usually can't hear it on the LP as
the LP's noise floor is often higher than that of the master tape. But
on a CD which has a much lower noise floor, imperfections such as tape
hiss come through very clearly.



;-)



"Needle noise" (do you mean surface noise?), pops and ticks don't make
an LP unlistenable, they just constantly remind you of the medium's
imperfections.



No, 'needle noise' is where you can actually hear the needle riding the
groove. (Sometimes its cutter noise, though.) Comes from subjecting all that
luvly old 50s vinyl to the rigours of modern vinyl replay gear - bit like
flashing round Brands Hatch in a 'Dagenham Dustbin', I suppose.

One point worth a mention is that a lot of people get a buzz off their vinyl
whilst using distinctly 'lo-fi' kit which, of course, does not reproduce a
fraction of the 'vinyl artefacts' that drive one or two on this group into
such a frenzy. Anyone here ever heard a café jukebox from the good ole daze?
Ever hear any 'pops' or 'tics'?


Fair play to you for being able to listen without them
detracting from your enjoyment of the music.



Right now Benny Carter is in my room behind me tooting away like a good
'un - he's enjoying it......


I'd much rather they
weren't there.



I sympathise if they get on your tits, but it really does disappear with
time. A record has got to be very bad before it bothers me. What price the
'78' boys? Better yet, what price the 'shellac and diaphragm' boys like the
chappie I've just taped a couple of 504 Jazz discs for (Nos LPS 4 and LPS
8 - it ain't the biggest label in the world! :-)

Chezzer, this world's big enough for all the different sorts of audio
nutters with all their own wacky little likes and dislikes. Unfortunately,
it seems this ng is not.....










Keith G July 14th 03 11:58 PM

Why do SACDs sound better? (Soft troll)
 
"Chesney Christ" wrote in message
...
A certain Keith G, of uk.rec.audio "fame", writes :
There's any number of reasons, but I'm inclined to believe that
significant differences would result from better mastering on the SACD.


OK, I'm specifically talking about a couple of hybrid disks played on my

(no
longer) Sony SCD-XB940 CD/SACD Player, where you could literally 'back to
back' the two (stereo) modes via the Remote Control.


I'm sure, but just because they are on the same physical disc, doesn't
say anything about from where each recording was sourced or what
different treatments were applied to each. There's nothing to stop them
putting two completely different albums on the two separate hybrid
layers.

(Ie start and play any
given track in either 'mode') All who heard them picked the SACD as the
better sound every time. IIRC, this was 100% - no exceptions.......


The conclusion you are hinting at, namely that there is something
inherently better about SACD playback, is only one of many possible
reasons why they may sound different.

BTW, as an exercise, try getting a friend/offspring/sibling/spouse to
switch them for you, and double check that you can easily discern the
difference blindfolded. See if you can easily tell the difference. For
the test to work, obviously your friend isn't meant to give you any hint
about which is playing, and you should be able to distinguish the
recordings 80% of the time.



No good 'testing' me - I've got no idea. I even like the Roberts portable in
the bathroom - 2 minutes in and I'm 'in tha groove'....!!! (I know what I
like, mind.....)

No, I was testing one or two others - blind, as they couldn't see what I was
up to.





Keith G July 15th 03 01:23 AM

(O/T) - Why do SACDs sound better? (Soft troll)
 
"Ronnie McKinley" wrote

Not necessarily, I have a dozen or more 'digitally' produced Warner Bros

Ry
Cooder LPs which sound excellent


Can' be excellent, Keith :)




Jeez, Ronnie - you still up? I thought it was just me and Dave Brubeck!

Swim's 'working at home' tomorrow ;-) so I'm on one of my 'jazz vinyl into
the wee smalls' jags! :-)

NP - Brubeck 'Time Further Out' (Fontana TFL 5161*, first published 1961 to
answer one of your comments below) and I'm still on side 1, so it'll be half
past by the time I get done.


*'also available in stereo'!!!



You said:
"Given that my own preferences are for vinyl
and that I think all 'digital' music is crap compared with it."



So, the actual digital process itself is not that which removes the
'life' and 'ambience' out of music and, degrades it, but the method used
to retrieve the information, is that the 'crap' bit (pun)?



Very possibly. All I know is, by the time it gets onto my deck and out
through my valves I can listen to it 'digitised' or not. Even MP3s (offboard
DAC mind) sound quite 'listenable' if I'm busy with summat else.



Tell you something. I have some (many) dreadful sounding mid 80s
digitally produced LPs and TBH they sound/sounded just as dreadful as
their CD counterparts :)



Hmmm. I kinda missed this era (kids and companies). Any mid 80's vinyl
kicking about here (like fekkin' hundreds of the buggers on the floor of my
room) was likely to have been hers. When the vinyl group kicks off I will be
mentioning a Vinyl Want/Sell or Swap List which I will put on my 'Vinyl
Page'. (That includes 2 'PY' discs you and I mentioned a while back!)

My favourite vinyl is definitely 30s, 40s, 50s stuff on vinyl produced
probably not later than 1980. (Having said that, I'm gagging for some Bjork
at a reasonable price!)


just flipped to side 2, so it'll be the 'car ad' music soon (Unsquare
Dance) and it'll be a bit past the half past mark!


I'm not sure if a 'modern' well produced 2003 LP has quite the *exact*
same 'life' and 'ambience' as that of a well produced analogue of 20
(plus) years ago :-) ... having said that, IMO, digitally produced *LPs*
did seem to improve a little in 'life and ambience' (for me) late 1980s
onwards, or did I (we) just became conditioned?



I'm not in a position to judge - my most 'recent' vinyl is 'O Borther Where
Art Thou' and that has been made to sound 'Old Timey'. Recent(ish) Yello,
Floyd, Vangelis, etc. all sound fine to me.....






John Phillips July 15th 03 07:20 AM

Why do SACDs sound better? (Soft troll)
 
In article , Chesney Christ wrote:
Leaving aside the X vs Y business, I'd say stereo digital reproduction
is pretty much as good as it needs to be right now; the signal recorded
is essentially identical to the input signal. There's not much room for
improvement at the moment.


If you had said that modern stereo digital reproduction is _capable of
being_ pretty much as good as it needs to be then I could possibly agree.

I still buy modern CDs (1990s or later) where I think the sound could
have been much better. Maybe with SACDs (to return to a topic in the
thread title) in their marketing-led infancy still, more attention is
being paid to getting it right in practice.

With sales of the modern classical music CD sufficiently low on a
per-release basis, I suspect it's entirely possible to be unable to
spend enough time on basic good prodction these days, let alone time to
correct any errors.

--
John Phillips

Clive Backham July 15th 03 08:20 AM

Why do SACDs sound better? (Soft troll)
 
On Mon, 14 Jul 2003 19:45:42 +0100, "Keith G"
wrote:

I'm talking about disks where there are both CD and SACD versions of the
same music. What about DSOTM - does that have differently mastered versions
on it then?


Keith, you're a nice chap and all that, but there's no reason to be
quite so naive. Do the SACD and CD layers on DSotM have different
masters? Of course they ****ing do, otherwise they wouldn't sound
different, would they?

What is more likely:
1. A multi-tracked and hugely overdubbed analogue recording from the
early seventies contains more than 96dB of resolution.
2. The record company, which has a vested interest in pretending that
SACD sounds better, arranges things so that it does.

My money is on (2).

Of course, it is quite possible that in the future, all SACDs *will*
sound better than their corresponding CDs, but it will due to cynical
adjustments to the mastering, not anything to do with the intrinsic
capabilities of the formats. And as usual, it will be the buying
public that loses out.

Dave Plowman July 15th 03 08:27 AM

Why do SACDs sound better? (Soft troll)
 
In article ,
Jim H wrote:
I am yet to hear a SACD, but the reason they supposedly sound better is
a higher sample frequency, bringing the digital waveform closer to the
analogue ideal. Its similar in some ways to having an raster image use
more pixels. There is also a simpler method of encoding, although what
effect this has on the sound I'm not sure.


The original parameters for CD were set to be beyond the point where the
ear could hear any improvement - things like radio and TV sound
distribution systems use a considerably lower bitrate.

Higher bitrate is useful in the original studio process for various forms
of signal processing, but really isn't needed for the end user.

That's not to say analogue is ideal, there's a trade off between
analogue accuracy and digital precision.


I'm afraid those are only words without an explanation.

On my current system I prefer cd, but then my tt is nothing special.


To get the best out of vinyl is an expensive business.

--
*You're just jealous because the voices only talk to me *

Dave Plowman London SW 12
RIP Acorn

Dave Plowman July 15th 03 08:37 AM

Why do SACDs sound better? (Soft troll)
 
In article ,
John Phillips wrote:
First, many of the DDD CDs I have from the 80s (but not all) are very
flat in sound quality, regardless of performance quality.


Digital should guarantee a decent recording of the balance engineer's art.
But it can't correct for this if it's poor, or not to your taste.

However, I have CDs of analogue recordings from the 1960s onwards with
modern (1990s onward) digital mastering. Most sound marvellous. Full of
life and full of the ambience of the recording venue. For example
Boehm's 1967 Wagner Ring which just drips with the Bayreuth
Festspielhaus accoustic (even through the audible tape hiss).


Which backs this up. The record/replay side of digital is excellent - but
it depends, rather obviously, what is put into it.

Another specific example: I have a 1985 CD of a rather splendid 1975
performance conducted by Carlos Kleiber of Beethoven's Symphony No. 5.
It sounds flat. I also have the 1995 re-mastered CD. Even after
correcting for the higher level of the newer CD, it has bags more
ambience. In many ways it's much more like the 1970s LP I have of the
same performance.


Before coming to any conclusions, you'd have to know just what masters
both LP, original CD and re-mastered one came from. If, as is likely, they
are all different, it's not surprising the end results are different too.

--
*If you don't like the news, go out and make some.

Dave Plowman London SW 12
RIP Acorn

Clive Backham July 15th 03 08:38 AM

Why do SACDs sound better? (Soft troll)
 
On Mon, 14 Jul 2003 20:45:48 +0100, Jim H
wrote:

I am yet to hear a SACD, but the reason they supposedly sound better is a
higher sample frequency, bringing the digital waveform closer to the
analogue ideal. Its similar in some ways to having an raster image use more
pixels.


Are you prepared to acknowledge that beyond a certain pixel density,
there is no point in adding more pixels to an image because it will be
beyond the eye's ability to distinguish the improvement? (I'm no
expert in imaging, but suspect that there would be no discernable
difference between 10,000dpi and 20,000dpi).

If you agree with that, can you also appreciate that in the case of
audio, there will come a point where further increasing the sample
rate is pointless because it is beyond the ear's ability to
distinguish the improvement?

What's left for debate is whether the sampling frequency used for CD
is already at or beyond the limits of human hearing - if it is, then
the higher sampling rate used in SACD is redundant.

Dave Plowman July 15th 03 08:54 AM

Why do SACDs sound better? (Soft troll)
 
In article ,
Clive Backham wrote:
What's left for debate is whether the sampling frequency used for CD
is already at or beyond the limits of human hearing


It is - when digital was in its infancy I and many of my colleagues had an
opportunity to play with different sampling rates on a wide variety of
material. And the point where any difference is detectable is below that
of CD - *that's* why it was chosen - although the exact rate was down to
TV video parameters so video recorders could be used.

- if it is, then the higher sampling rate used in SACD is redundant.


For the end user, absolutely.

--
*When it rains, why don't sheep shrink? *

Dave Plowman London SW 12
RIP Acorn

RobH July 15th 03 11:01 AM

(O/T) - Why do SACDs sound better? (Soft troll)
 

"Keith G" wrote in message
...
"RobH"

wrote in
message ...

"Keith G" wrote in message
...
Given that my own preferences are for vinyl and that I think all

'digital'
music is crap compared with it, I am, nevertheless, interested to

know
why
exactly is it that SACDs (stereo) sound so much better than the

equivalent
CDs?

I'm curious to know at what point music becomes "crap" if it is
digitized. You have a preference for vinyl but many of the classical

LPs
that I have are "original digital recordings" - are they then

"crap"?


Not necessarily, I have a dozen or more 'digitally' produced Warner

Bros Ry
Cooder LPs which sound excellent but I also have a Vox/Pioneer

'Digital
Recording' LP ( Mahler 1 - H10002V) which proudly lists:

Tech Spec:
PCM -1600 Digital Recording system
Sampling Rate: 44,056
Encoding: 16 Bit linear
Frequency Response: +0, -0.5dB; 4 Hz to 20 Hz
Microphones (2) B & K 4133/2619, Levinson ML-8 Pre-amps
All distortions less than .05%
Mixing Electronics: Levinson LNP-2
Monitor System: Levinson HQD
Producer and Balance Engineer: Brian Culverhouse
Production Advisor: George H de Mendelssohn-Bartholdy
Digital Recording: Digital Recording Systems Co., Inc.
Digital Editing: Sony DEC-1000 (prototype)

Err, I thought you said that ALL digital music is crap compared to
vinyl.

Is digital music okay if it is subsequently recorded onto vinyl ?


Impressive huh? - Tells you everything except what fillings they had

in the
sangies, doesn't it?



Trouble is I have a number of other (bog-ordinaire)
recordings that sound better. It's very well played, a bit spitchy

but,
worst of all is lacking in 'life' and 'ambience' and a bit 'dull'

compared
with some of the others. If I can possibly get the time, I will make

some
comparisons (as I will with many other pieces of music I have on a

number of
different discs) with a view to posting the results on the new vinyl

group
some time.



Personally I find all the recording analogue and digital formats

that
I've heard are "crap" in comparison with real live music.


I never compare the two. When I play a record I'm playing a bloody

record,
not trying to recreate some sad-arsed past 'live event'. (If my

records
sounded as disappointing as some of the 'live music' I've heard in my

time,
I'd ditch 'em!)

My mistake. I thought that recordings were supposed to be an attempt to
recreate some sort of musical event.

What do you find disappointing about "live music"? The acoustics? The
performance? The volume?

The first time I went to an orchestral concert I felt the constant urge
to turn up the volume.
Silly me.



Anyone who says they don't is lying (if only to themselves) -

sticks
out
like a chapel hatpeg....

Are you related to DABSWTFM by any chance?


Who he?

Sorry, I forgot I wasn't posting to alt.radio.digital.



--
RobH
The future's dim, the future's mono.



Jim H July 15th 03 12:58 PM

Why do SACDs sound better? (Soft troll)
 
On Tue, 15 Jul 2003 08:38:44 GMT, Clive Backham
wrote:

On Mon, 14 Jul 2003 20:45:48 +0100, Jim H
wrote:

I am yet to hear a SACD, but the reason they supposedly sound better is
a higher sample frequency, bringing the digital waveform closer to the
analogue ideal. Its similar in some ways to having an raster image use
more pixels.


Are you prepared to acknowledge that beyond a certain pixel density,
there is no point in adding more pixels to an image because it will be
beyond the eye's ability to distinguish the improvement? (I'm no
expert in imaging, but suspect that there would be no discernable
difference between 10,000dpi and 20,000dpi).


I agree completely, but since I haven't heard SACD I can't say if cd is
past the limit of human hearing. However, an above-cd recording of vinyl on
my soundcard sounds no better than a cd-quality one, asthough this is more
likely to be limitations of the equipment

--
Jim

Jim H July 15th 03 01:03 PM

Why do SACDs sound better? (Soft troll)
 
In article ,
Clive Backham wrote:
What's left for debate is whether the sampling frequency used for CD
is already at or beyond the limits of human hearing


It is - when digital was in its infancy I and many of my colleagues had
an
opportunity to play with different sampling rates on a wide variety of
material. And the point where any difference is detectable is below that
of CD - *that's* why it was chosen - although the exact rate was down to
TV video parameters so video recorders could be used.


Is it possible that, back then, the DACs were only effective up to a
certain rate, at a lower rate than for the ear? If, say the DACS showed no
improvement in sound past 44kHz, your experiment would always show cd to bo
optimal. Just a thought.

--
Jim

Jim H July 15th 03 01:28 PM

Why do SACDs sound better? (Soft troll)
 

That's not to say analogue is ideal, there's a trade off between
analogue accuracy and digital precision.


I'm afraid those are only words without an explanation.


Expanation:

Contrary to popular belief the terms 'acuracy' and 'precision' are not
synonyms.

A digital signal may have perfect pcecision, that is, what is
transmitted/pressed is exactly what arrives. however that signal is only
accurate to a certain degree. In the example of cd audio, an atomic sound
is the nearest of about 65,000 options for that 1/44,000 of a second.

Now, for an analogue signal, the accuracy is perfect, the sound isn't said
to be 'to the nearest x'. I suppose you could argue that a record is 'to
the nearest atom of vinyl' but accuracy on that level is pretty much
irrelevent because an analogue copy is never totally precise - what is
transmitted or pressed will not be exactly the same as the original and
with every copy the errors get worse.

Digital = perfect precision, limited accuracy.
Analogue = limited precision, perfect accuracy.

That's the tradeoff!

NB: I'm not saying anything about the superiority of the sound of either
format here.

--
Jim

Mike Fordyce July 15th 03 01:43 PM

Why do SACDs sound better? (Soft troll)
 
"Dave Plowman" wrote in message
...
In article ,
Clive Backham wrote:
What's left for debate is whether the sampling frequency used for CD
is already at or beyond the limits of human hearing


It is - when digital was in its infancy I and many of my colleagues had an
opportunity to play with different sampling rates on a wide variety of
material. And the point where any difference is detectable is below that
of CD - *that's* why it was chosen - although the exact rate was down to
TV video parameters so video recorders could be used.

Wasn't there another reason for choosing this particular sampling rate - it
allowed storage of approx 1 hour of music on the CD technology available at
the time?

Mike F



RobH July 15th 03 01:49 PM

Why do SACDs sound better? (Soft troll)
 

"Jim H" wrote in message
...

That's not to say analogue is ideal, there's a trade off between
analogue accuracy and digital precision.


I'm afraid those are only words without an explanation.


Expanation:

Contrary to popular belief the terms 'acuracy' and 'precision' are not
synonyms.

A digital signal may have perfect pcecision, that is, what is
transmitted/pressed is exactly what arrives. however that signal is

only
accurate to a certain degree. In the example of cd audio, an atomic

sound
is the nearest of about 65,000 options for that 1/44,000 of a second.

Now, for an analogue signal, the accuracy is perfect, the sound isn't

said
to be 'to the nearest x'.

Nice theory but how does that work in practice?
Don't analogue signals suffer all sorts of atenuation and distortion
once you attempt to propogate them?

I suppose you could argue that a record is 'to
the nearest atom of vinyl'

Only if the "resolution" of the mastering process is at an atomic level
and if you start to examine vinyl at an atomic level the actual playing
of the record will alter the shape of the groove simply because of
difference of the physical properties of diamond and vinyl.

but accuracy on that level is pretty much
irrelevent because an analogue copy is never totally precise - what is
transmitted or pressed will not be exactly the same as the original

and
with every copy the errors get worse.

Digital = perfect precision, limited accuracy.
Analogue = limited precision, perfect accuracy.

That's the tradeoff!

NB: I'm not saying anything about the superiority of the sound of

either
format here.




--
RobH
The future's dim, the future's mono.



Jim H July 15th 03 01:55 PM

Why do SACDs sound better? (Soft troll)
 

Now, for an analogue signal, the accuracy is perfect, the sound isn't

said
to be 'to the nearest x'.

Nice theory but how does that work in practice?
Don't analogue signals suffer all sorts of atenuation and distortion
once you attempt to propogate them?


Yes, but that lowers the precision of the signal, not the accuracy. The two
are not the same.

I suppose you could argue that a record is 'to
the nearest atom of vinyl'

Only if the "resolution" of the mastering process is at an atomic level
and if you start to examine vinyl at an atomic level the actual playing
of the record will alter the shape of the groove simply because of
difference of the physical properties of diamond and vinyl.


That's why I went on to say "accuracy on that level is pretty much
irrelevent", It remains that the axiom of a vinyl recording is the atom.

--
Jim H

RobH July 15th 03 02:02 PM

Why do SACDs sound better? (Soft troll)
 

"Mike Fordyce" wrote in message
...
"Dave Plowman" wrote in message
...
In article ,
Clive Backham wrote:
What's left for debate is whether the sampling frequency used for

CD
is already at or beyond the limits of human hearing


It is - when digital was in its infancy I and many of my colleagues

had an
opportunity to play with different sampling rates on a wide variety

of
material. And the point where any difference is detectable is below

that
of CD - *that's* why it was chosen - although the exact rate was

down to
TV video parameters so video recorders could be used.

Wasn't there another reason for choosing this particular sampling

rate - it
allowed storage of approx 1 hour of music on the CD technology

available at
the time?

IIRC it was to get the whole of Beethoven's 9th symphony on a single
disc or is this an urban myth?


--
RobH
The future's dim, the future's mono.



Mike Fordyce July 15th 03 02:37 PM

Why do SACDs sound better? (Soft troll)
 
"Jim H" wrote in message
...

Ok, but I doubt we can do that much on my budget. The tt is a Technics SL-
Q33. Its direct drive and quartz controlled, it seems to spin at perfect
speed from the strobes.

I got this deck for £30 2nd hand, electronically fine but in need of work.
First up, the interconnects were going rusty! so I chopped an IXOS mono
lead in half and soldered the 'middle' bits into the tt. Problem solved!
Then there was no cueing. Turned out to just be a badly decayed band,
couldn't find a spare used a normal rubber band. The biggest problem was
cart/stylus - the stylus was actually bent 90°! Looking up the difficult

to
find stylus was the worst £20 I ever spent, I should have known the cart
was knackered. I've now got an unknown red Audio Technica cart that sounds
much better, but is likely still the weakest point in the system.

Its plugged into the phono input of an integrated amp. I'll maybe get a
seperate preamp one day.

Hope you can help. Some of my records are new, but most of the older ones
are a bit scratched. I've got some great stuff - original Floyd, K.U.K.L,
big pile o' jazz. The biggest problem is that the sound seems confined,

but
the system seems to handle jazz better than anything else.

I originally bought a turntable to just play my records on. I'm sceptical
that it will outperform cd, but hopeful that it might.

I would thoroughly recommend adding a phono preamp. My 13yr-old deck has
survived a long period of toddler and "dusting" abuse - many broken stylii
(and a downgraded cartridge) later I've added a preamp and it sounds better
than ever. Don't know whether it outperforms CD though, it all depends on
how good the recording is. I do have a couple Blue Note releases on both CD
and Vinyl, well recorded on both formats and its very difficult to tell the
difference!

Mike F



Andrew Walkingshaw July 15th 03 02:43 PM

Why do SACDs sound better? (Soft troll)
 
In article , RobH wrote:

I'm not sure that last sentence makes sense. Are you saying that the
theoretical limit of vinyl recording is at an atomic level?


It probably is if you use an AFM[1] as your stylus. (Pressing the discs
would be a right pain, though. :-) )

Now I've suggested it, someone is probably mad enough to try this...

- Andrew

[1] Atomic Force Microscope; works by dragging a needle over the
surface in question, where it bounces off the electron clouds of the
atoms composing said surface. Materials scientists love them.

--
Andrew Walkingshaw |


RobH July 15th 03 02:54 PM

Why do SACDs sound better? (Soft troll)
 

"Andrew Walkingshaw" wrote in message
...
In article , RobH wrote:

I'm not sure that last sentence makes sense. Are you saying that the
theoretical limit of vinyl recording is at an atomic level?


It probably is if you use an AFM[1] as your stylus. (Pressing the

discs
would be a right pain, though. :-) )

Well, if IBM can construct their logo using individual atoms I don't see
why they can't adopt this technology for making records. ;-)



Now I've suggested it, someone is probably mad enough to try this...

- Andrew

[1] Atomic Force Microscope; works by dragging a needle over the
surface in question, where it bounces off the electron clouds of

the
atoms composing said surface. Materials scientists love them.

But then you get into the realms of Quantum Mechanical effects, the
Uncertainty Principle et al
You could then start to debate the probability of the "record" being
accurate but let's not go there.



--
RobH
The future's dim, the future's mono.





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