[Abcde-users] difference in wav files size, CD-TEXT not found

[Casey Crockett]

Hi All,
Regarding Problem 1, I am currently using abcde version 2.9.1 which
includes an option for cd-text to be used in place of cddb by means of the
cdtext value replacing or being added to the contents of the CDDBMETHOD
variable in the config file.  I do not know if version 2.5.4 had the same
option.
Regarding Problem 2, I think the question just below it may be an answer in
that the program that the GUI file manager is using to extract the CD audio
tracks to wav may be inserting meta data in the wav file -- maybe an
"encoded by" or "extracted by" bit of information to track the version and
the program used.  This is probably not being done by cdparanoia or
whichever other CD audio extractor program is being used by abcde,
therefore the resulting wav file is smaller.  The actual digital audio
contained in the wav file is most likely exactly the same, especially if
the CD is unblemished.  You might be able to verify this by looking at the
properties for the wav file using the GUI file manager to see if that
additional information is listed.  There also might be some way to compare
just the digital audio data in the wav file, but I can't think of a method
to do that.  Well, maybe convert both to FLAC, making sure the
--keep-foreign-metadata option is not being used, then compare the FLAC
files.  That should discard any non-data chunks.

Regards,
linxuser

On Sat, Sep 8, 2018 at 6:00 AM <abcde-users-request at lists.einval.com> wrote:

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>    1. difference in wav files size, CD-TEXT not found (Rich Painter)
>
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 8 Sep 2018 00:18:49 -0600
> From: Rich Painter <painterengr at gmail.com>
> To: abcde-users at lists.einval.com
> Subject: [Abcde-users] difference in wav files size, CD-TEXT not found
> Message-ID:
>         <CABh4ZQjnsdgUN_oxFopN3LUjsa_HS=
> SEZudSkZEF6Nj9+4QQcQ at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Just installed abcde ver 2.5.4 on Ubuntu 14.04 64bit. Brand new abcde list
> user....
>
> My desire is to read audio CDs, save the .wav files, convert to and save
> .mp3 files.
>
> Problem 1:
> I can put in a CD and run abcde configured to output mp3 and wav.
> The program does not find anything at cddb and requests me to edit the
> track titles, etc.
>
> If I use the cdtext program from libcdio-release-2.0.0 it reports CD-TEXT
> for the album and track titles.
>
> Why doesnt abcde find this CD-TEXT track data?
>
> How can I get abcde to find this on the CD (without modifying the code)?
>
> Problem 2:
>
> If I insert this CD and then use the Ubuntu GUI file manager on the actual
> CD to see the trackXX.wav files I can copy them to my file system.
> When the abcde (output mode is "mp3,wav") runs it does save the .wav files
> in addition to creating mp3 files.
>
> The problem is that the .wav file left by abcde is SMALLER than the Ubuntu
> copied .wav file by approx 50 to 105 bytes.
>
> I would expect these to be exactly the same size.
>
> What is causing this? Am I doing something wrong? Is there a fix?
>
> Question:
> wav files can have embedded meta data. Does abcde look for and use this
> embedded data?
>
>
> thanks,
> oldunixguy
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