Date: Sat, 29 Nov 2008 00:10:44 -0800 From: Yuri <yuri@rawbw.com> To: Polytropon <freebsd@edvax.de> Cc: freebsd-questions@freebsd.org Subject: Re: Copying audio CD with dd/cdrecord produces unplayable CD Message-ID: <4930F904.6060702@rawbw.com> In-Reply-To: <20081129084852.6d00f2e5.freebsd@edvax.de> References: <4930EEBB.7050701@rawbw.com> <20081129084852.6d00f2e5.freebsd@edvax.de>
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Polytropon wrote:
>
> It sounds like "byte order reversal" which makes the typical noise.
> In order to 1:1 copy a CD, I'd recommend the use of the cdrdao
> tool - "cdrdao read-cd" and "cdrdao write" are the commands.
> It's easy to use them in order to get a CD "at once" and then
> reproduce it to blank media.
>
> If you need to use cdrecord, you can "preprocess" the .cdr
> files with "sox -x". You can always use the "play" command
> (from sox) to check what your files sound like.
>
> This is a sample command to turn .cdr files into .wav files,
> just to illustrate the correct parameters for interpreting
> the .cdr (CD audio data) format:
>
> sox -r 14400 -c 2 -b -L -S ${OUTFILE}.cdr ${OUTFILE}.wav
>
>
>
Thank you Polytropon,
Byte order was really a problem.
Strange that burncd is supposed to take the original byteorder and
cdrecord takes reversed one.
> I didn't try burncd since FreeBSD 4. Since then, I#m very
> comfortable with cdrecord and cdrdao and the atapicam facility.
>
burncd is still recommended by handbook for ATAPI CDROMs
for some reason.
I feel like cdrecord is much nicer and once suggested to retire
burncd in handbook and to always recommend cdrecord instead.
But some people disagreed.
Thanks for your helpful response,
Yuri
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