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Old 08-25-2018, 12:22 PM   #1
Corvette
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Difficulty Playing Audio CD on Debian 9 with KDE


Greetings:

I am having trouble playing an audio CD (specifically, an audio book) on my Debian 9 system. I have both Amarok and VLC player installed. The following issues are observed:
  1. Inserting the CD essentially "freezes" Amarok. The UI becomes unresponsive. Also, I occasionally receive notifications that Amarok has "finished examining" an unrealistically high track number (one that is not on the CD) such as /Track569.wav.
  2. If I attempt to open the CD through VLC, the tracks play in no reasonable order and the titles are quite off. For example, it will say "Part Eight, chapter 7, part 3" even though chapter 7 is almost certainly not on the first disk.
  3. I can view the contents of the disk 'audiocd:/%3Fdevice=/dev/sr1', through Konqueror, but not Dolphin (for the record, it only goes Track 25).

The system exhibits similar behavior with other CDs; the one I mentioned is just an example.

What might the issue be or how can I troubleshoot?

Thanks.
 
Old 08-25-2018, 12:43 PM   #2
fatmac
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Likely it is the format of the recording, seems it isn't a regular music CD or film DVD.

Check whether it has a description of the recording method on it some where, then look for a player for that format.

Audio books do seem to come in some proprietary formats, & I'm thinking this is your problem.
 
Old 08-25-2018, 01:26 PM   #3
Corvette
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Quote:
Originally Posted by fatmac View Post
Likely it is the format of the recording, seems it isn't a regular music CD or film DVD.

Check whether it has a description of the recording method on it some where, then look for a player for that format.

Audio books do seem to come in some proprietary formats, & I'm thinking this is your problem.
Thanks for the response. It looks like the CD includes .wav, .ogg, .flac, and .cda files. I did not think either Amarok or VLC would have trouble playing these, but I am not really knowledgeable about audio formats. I am not sure where VLC sources its data from, but oddly enough, it is "identifying" (in the cover image and presumably title) the audio book as War and Peace, which is inaccurate. Not sure if that is significant, but it is something I noticed.
 
Old 08-25-2018, 01:30 PM   #4
camorri
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I'll through my 2 cents in. I haven't tried to play a audio CD in several years, since I had ripped most of them to .ogg or .mp3 files.

I saw this post, pulled out an commercial audio and tried to play it. Amordork I gave up on, never liked it. I do use VLC most of the time. It would not play my CD; well not until I right clicked on the desktop icon, and said Mount. In years gone by you never had to mount an audio CD, just open it with your favorite program.

I also tried GRIP, it went through the motions of playing the CD, but no sound.

Once mounted, I had the song titles in the play list, and I'm listening to it now.

Just some guesses. Many sound things have changed since Pulse Audio was introduced. I run Slackware 14.2, with Pulse Audio. So, it still works, after mounting the audio CD. VLC version is
Quote:
vlc2-2.2.8-x86_64-2alien
Pulse,
Quote:
pulseaudio-9.0-x86_64-1
Hope this helps.
 
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Old 08-25-2018, 02:19 PM   #5
Corvette
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Thanks much camorri. Your post has led me to a working solution.

I am not sure if it is a version problem or what, but I still am unable to my CD to work with VLC (v. 3.0.3-1-0; pulseaudio v. 10.0-1), but while doing some research about mounting audio CDs, I eventually came across a recommendation to use Mplayer. For those interested, I was able to play my CD using the instructions in the following article: https://www.cyberciti.biz/faq/linux-...ng-bash-shell/

For reference, in case it can bring some clarity as to why the CD did not work, MPlayer gives the following output:

PHP Code:
rawaudio file format detected.
==========================================================================
Opening audio decoder: [pcmUncompressed PCM audio decoder
AUDIO
44100 Hz2 chs16le1411.2 kbit/100.00% (ratio176400->176400)
Selected audio codec: [pcmafmpcm (Uncompressed PCM)
========================================================================== 
 
Old 08-25-2018, 02:38 PM   #6
camorri
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Interesting, I have a front end installed for mplayer, called umplayer. Brought it up, and the audio CD plays.
 
  


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