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In article , Gareth Halfacree
wrote:
Rob wrote:
I'd never thought of that 33s at 45 ruse to save time - does it
actually degrade quality?

Indeed it does.

If you run your 33s at 45 RPM, then every second of captured audio
contains 32,340 samples. Because these are played back at the rate of
44,100 samples per second it sounds too fast, so you have a choice of
either dropping the sample rate to 32,000 (32KHz, often referred to as
'Radio Quality' in older Windows applications)

Yes. I've not checked the URL but if they don't make a suitable correction,
then replying a 33 at 45 would also mean the standard RIAA correction would
be inappropriate, thus altering the frequency response. May also encounter
problems with the stylus being able to track the increased modulation
velocities, etc.

In principle, the above could be corrected during the resampling from 33k
up to 44.1k, but as you say, the result would still lose any info above
16kHz.

Slainte,

Jim

--
Electronics http://www.st-and.ac.uk/~www_pa/Scot...o/electron.htm
Audio Misc http://www.st-and.demon.co.uk/AudioMisc/index.html
Armstrong Audio http://www.st-and.demon.co.uk/Audio/armstrong.html
Barbirolli Soc. http://www.st-and.demon.co.uk/JBSoc/JBSoc.html

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"David Houpt" wrote in message
. uk...
Keith G wrote:
http://www.firebox.com/index.html?di...01&src _t=wnw

http://www.djstore.co.uk/cgi-bin/item.pl?item=ionittusb


A doddle!! :-)
Hi Keith

Looks a great product.

But why oh why do we put up with prices that are so much more than in the
USA?


Because we do......



A brief look found a USA web site with it for sale for $140.


Sure. Only yesterday I placed an order for some bits and pieces. I could get
them either from a one-man band in this country or from a bigger (much)
supplier in Germany for about 60 quid less. I wuz chatting with the UK
supplier (very nice chap whom I would like to see thrive and remain in
business) and determined that things were going well for him, so I told him
about the Germans and got a significant discount to roughly equal the
prices - made the order worth just over 200 quid.

I'm aware of keeping the little guy in business but I won't subsidise
anyone's chosen lifestyle from own pocket any more, other than maybe pay a
little over the odds for convenience from time to time. There is an eBay
auction for that same deck if anyone wants to pay over the odds for a 'quick
one':

http://cgi.ebay.co.uk/ws/eBayISAPI.d...MEWA%3AIT&rd=1


Or how about this handy little bugger from the same seller:

http://cgi.ebay.co.uk/NUMARK-PT-01-p...cm dZViewItem

(If I still had a motorcycle, I'd fit one to the tank for proper 'music on
the move'!! :-)

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Keith G wrote:
"David Houpt" wrote in message
. uk...
Keith G wrote:
http://www.firebox.com/index.html?di...01&src _t=wnw

http://www.djstore.co.uk/cgi-bin/item.pl?item=ionittusb


A doddle!! :-)
Hi Keith

Looks a great product.

But why oh why do we put up with prices that are so much more than in the
USA?


Because we do......


A brief look found a USA web site with it for sale for $140.


Sure. Only yesterday I placed an order for some bits and pieces. I could get
them either from a one-man band in this country or from a bigger (much)
supplier in Germany for about 60 quid less. I wuz chatting with the UK
supplier (very nice chap whom I would like to see thrive and remain in
business) and determined that things were going well for him, so I told him
about the Germans and got a significant discount to roughly equal the
prices - made the order worth just over 200 quid.

I'm aware of keeping the little guy in business but I won't subsidise
anyone's chosen lifestyle from own pocket any more, other than maybe pay a
little over the odds for convenience from time to time. There is an eBay
auction for that same deck if anyone wants to pay over the odds for a 'quick
one':

http://cgi.ebay.co.uk/ws/eBayISAPI.d...MEWA%3AIT&rd=1


Or how about this handy little bugger from the same seller:

http://cgi.ebay.co.uk/NUMARK-PT-01-p...cm dZViewItem

(If I still had a motorcycle, I'd fit one to the tank for proper 'music on
the move'!! :-)



Next to the ashtray, I presume.

S.

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Jim Lesurf wrote:
I've not checked the URL but if they don't make a suitable correction,
then replying a 33 at 45 would also mean the standard RIAA correction would
be inappropriate, thus altering the frequency response. May also encounter
problems with the stylus being able to track the increased modulation
velocities, etc.

In principle, the above could be corrected during the resampling from 33k
up to 44.1k, but as you say, the result would still lose any info above
16kHz.

I have *no* idea what you just said. As I mentioned, I'm a computer
tech - to me, the RIAA is the buggers wot sue the filesharers. That
said, you seem to be agreeing with me so I'm not too bothered.

Now, if you'll excuse me I'm off to my search engine of choice to bone
up on RIAA and the frequency response of vinyl playback. Any
recommended sites where I can grasp the basics? I'm always keen to
learn something new.

--
Gareth Halfacree
http://gareth.halfacree.co.uk

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On Fri, 26 May 2006 15:01:56 +0100, Gareth Halfacree
wrote:

Jim Lesurf wrote:
I've not checked the URL but if they don't make a suitable correction,
then replying a 33 at 45 would also mean the standard RIAA correction would
be inappropriate, thus altering the frequency response. May also encounter
problems with the stylus being able to track the increased modulation
velocities, etc.

In principle, the above could be corrected during the resampling from 33k
up to 44.1k, but as you say, the result would still lose any info above
16kHz.

I have *no* idea what you just said. As I mentioned, I'm a computer
tech - to me, the RIAA is the buggers wot sue the filesharers. That
said, you seem to be agreeing with me so I'm not too bothered.

Now, if you'll excuse me I'm off to my search engine of choice to bone
up on RIAA and the frequency response of vinyl playback. Any
recommended sites where I can grasp the basics? I'm always keen to
learn something new.

Don't use Google, then. If you do, both Ebay and Amazon will assure
you that they can sell you RIAA at the lowest prices.

d

--
Pearce Consulting
http://www.pearce.uk.com

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Don Pearce wrote:
On Fri, 26 May 2006 15:01:56 +0100, Gareth Halfacree
wrote:
Now, if you'll excuse me I'm off to my search engine of choice to bone
up on RIAA and the frequency response of vinyl playback. Any
recommended sites where I can grasp the basics? I'm always keen to
learn something new.

Don't use Google, then. If you do, both Ebay and Amazon will assure
you that they can sell you RIAA at the lowest prices.

Not on my PC they don't. There's a.... checks headers to ensure he's
not in the Monastery before unleashing UI There's a rather nifty plugin
for my particular browser which removes *all* ads and paid-for
'recommendations' from Google. And adds a bar of links to perform the
same search on a raft of competing sites.

Makes searching for information a near-pleasure, it does.

--
Gareth Halfacree http://gareth.halfacree.co.uk
"If Ace Books ever came out with an edition of The Bible, both books
would be edited down to 40,000 words, and they'd be renamed "Master of
Chaos" and "The Thing With Three Souls." - Terry Carr

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"Serge Auckland" wrote in message
...
Keith G wrote:
"Serge Auckland" wrote in message
...
Keith G wrote:
http://www.firebox.com/index.html?di...01&src _t=wnw

http://www.djstore.co.uk/cgi-bin/item.pl?item=ionittusb


A doddle!! :-)
I don't think I'll go out and sell the EMT just yet.



Tsk, tsk! Serge! You wouldn't be dismissing those little decks *unheard*
would you?

(You'll have Arny accusing *me* of unveridical perceptions again!! :-)

If I wasn't tit-deep in decks already (back up to five again!!) I'd grab
one of those buggers just to have a play with it! I bet with my Goldring
high output MC cart or the Shure V15/5 on it, the results would be
perfectly acceptable - certainly for MP3s and/or 'music on the move'!!

Sadly, you're probably right; they could well sound reasonable. Of course
how long they will last, and/or maintain their spec is anyone's guess, but
for the purpose they're being sold for i.e. digitising your vinyl
collection, they will probably last long enough. When you consider the
sort of TTs you and I use, which have been around for 20-30 years and are
still working well, it's sad to see the turntable reduced to a near
disposable item.



Check this out:

http://www.thebusinessonline.com/Sto...5544208&page=0

I just spotted it over on the World (not Audio) Design forum (where vinyl is
a bloody long way from dead, I might add!! :-) - courtesy of 'Clive'!!

I haven't read it all yet, only scanned through it - but I'm not the least
bit surprised to see the 'antipiracy' remarks. I can only presume they
haven't heard about these little Ion decks....?? :-)

Also these two super little vids:

http://www.youtube.com/profile_videos?user=forwardbound

.....for anyone who's interested??

Enjoy!

:-)

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Keith G wrote:

A doddle!! :-)

Nice idea, but I wonder how many people have a flat level surface next
to their PC? And of those that do, how many have a scanner plonked there...

Ironically I just saw this post after having a play around converting
vinyl to CD myself. Only I used a slightly different method... Aurex DD
turntable with Nagaoki sp? cart (nice sounding cart, cost about £50
around 15 years ago and still in perfect condition) running into
Pro-Ject Phono Box II, then into a Sony RCD-W100 CD recorder.

With Super Bit Mapping enabled on the CD recorder it does produce a
pretty good recording. Then rip the recorded disc to WAV format, apply a
bit of EQ (15dB cut at 20Hz 1.0 oct to eliminate rumble, 4.5dB lift at
12kHz 1.4 oct to compensate for the soft treble on the otherwise
excellent cart), apply adaptive noise reduction and you've got a pretty
good transfer.

Just tried transferring "Take A Chance On Me" from the original 1977
pressing of ABBA's "The Album". The vinyl version once transferred does
actually compare favourably with the version from the original Polydor
CD (AAD, taken from the same stereo master as the vinyl and cassette
versions). A bit lacking in dynamics compared to the CD, but I'd put a
lot of that down to wear. It is after all a 1977 pressing, which was
bought new and played extensively on a 1970s music centre (with the
usual heavy tracking and rough stylus).

If anyone's that interested I'll put some clips up of the vinyl and CD
versions for comparison...

--
Glenn Richards Tel: (01453) 845735
Squirrel Solutions http://www.squirrelsolutions.co.uk/

IT consultancy, hardware and software support, broadband installation

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"Glenn Richards" wrote in message
...
Keith G wrote:

A doddle!! :-)

Nice idea, but I wonder how many people have a flat level surface next to
their PC? And of those that do, how many have a scanner plonked there...


Run some wires then - even USB's good for five metres....!!

LP to HDD solution!!
 

"Gareth Halfacree" a écrit dans le message de news:
...
Rob wrote:
I'd never thought of that 33s at 45 ruse to save time - does it actually
degrade quality?

Indeed it does. Let's say you capture your audio at 44.1KHz (CD
quality, in other words). That's 44,100 samples per second (apologies
if I'm teaching my grandmother to suck eggs with this bit).

If you run your 33s at 33 RPM, then every second of captured audio
contains a full 44,100 samples.

If you run your 33s at 45 RPM, then every second of captured audio
contains 32,340 samples. Because these are played back at the rate of
44,100 samples per second it sounds too fast, so you have a choice of
either dropping the sample rate to 32,000 (32KHz, often referred to as
'Radio Quality' in older Windows applications) and discarding some of
your samples or slowing the whole thing down and keeping it at 44,100
samples per second. Which means interpolation (or, to put it another
way, inventing extra samples). Which means reduced quality.

That's as I see it, anyway. But then again, what do I know; I'm a
computer tech, not an audiophile or broadcaster. I do own a turntable,
but it's manufactured by Aiwa and thus is likely to earn me the scorn of
everyone present.

--
Gareth Halfacree
http://gareth.halfacree.co.uk

================================================== =======

Hi !
Also explained here :
http://www.a-reny.com/iexplorer/restauration.html
under the subject : "Special cases : 78 & 16 rpm"

--
Allen Reny
http://www.a-reny.com