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Old February 10th 16, 05:16 AM posted to uk.rec.audio
Johnny B Good
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Posts: 65
Default Couple of cd queries, model numbers later

On Tue, 09 Feb 2016 16:58:19 +0000, Java Jive wrote:

On Mon, 08 Feb 2016 23:17:40 GMT, Johnny B Good
wrote:

On Sat, 06 Feb 2016 14:34:05 +0000, RJH wrote:

====snip====

Obviously, the problem with one large file is selecting tracks. And
as you say, it should 'just work'.


[big snip, because AFAICS you've missed out an important step]

As explained briefly here ...

http://www.macfh.co.uk/JavaJive/AudioVisualTV/Vinyls/

VinylRestoration.html

... the correct way to burn to CD a continuous album where the tracks
run into each other is:

!!! Use *.wav files, not *.mp3


I'd made it *quite* clear that I never directly ripped to mp3. If I
needed to create mp3 versions of the LPCM rips, I'd do so using a better
tool for the job. Just in case that wasn't clear, LPCM is a reference to
44.1KHz sampled 16 bit stereo wave files (aka *.wav).


!!! Ensure that either/both/all of the recording/wave editing/cd

burning
software can split the *.wav file EXACTLY on the nearest CD sector
boundary to each track boundary.


I think this may have been the reason for selecting DaO (or perhaps it
was ToA?), whatever it was, it seemed to produce the results I was after,
glitchless start to end playback and neat clean starts to selected tracks.


!!! Set the CD burning software NOT to insert silence between the
tracks.


I did rather emphasise this point. In my case, you have to select all
the *.wav files that comprises the list of tracks in the Nero audio CD
wizard and edit out the default 2 second inter-track gaps before burning
your compilation using the Disk at Once option (or possibly it was the
Track at Once option). I rather think it was the former but, after all
this time, I can no longer recall for absolute certain which option
applied. In any case, I think this was the key to splitting the *.wav
files EXACTLY on the nearest CD sector boundary to each track boundary in
the Nero Burning application.

This will leave a CD which any player properly meeting the specification
will in the normal way play continuously without inserting silences
between the tracks, but will also allow jumping to a particular track.


That was certainly the result I obtained after a little bit of 'trial
and error'.

There is just one other important detail you failed to mention and that
is in regard of the burning speed which, in the case of modern CD/DVD
writers which specify a MAX writing speed (but not my now ancient quad
speed TEAC), can cause playback problems with a lot of CD audio players.

The trick here is to avoid step changes in the writing laser power level
by forcing it to write in CLV mode only. You do this by selecting a
writing speed just under half the max speed rating of the writer for that
type of media if the media speed rating itself doesn't already restrict
the speed to just under half or slower.

If there are any doubts about this choose a speed closer to one third of
the MAX rather than one just barely less than half. By doing this, you're
allowing the disk to be spun up fast enough to satisfy the reduced speed
requirement from the very start of the track and the linear writing speed
will remain at this speed, neatly avoiding step changes in laser writing
power which can otherwise confuse a music CD player (or even a CDROM
drive when operating in music CD playback mode where the audio appears on
the internal audio connector and optional headphone socket).

Forgetting to restrict the speed when the media itself has a high enough
speed rating to permit a greater than half MAX speed to be enabled by
default, can lead to a playback glitch or two in a lot of music CD
players.

--
Johnny B Good