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Old 03-31-2003, 10:40 PM   #1
LordChaos
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Registered: Jan 2003
Location: Amsterdam, The Netherlands
Distribution: Gentoo (2.4.20-gentoo-r5)
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Unhappy RedHat 8 NO CD audio output !!


Hi all,

I've been using RH 8 for some time now (and in the past several other distro's for that matter) but I had never tried to play audio cd's. Unfortunately I just found out I can't get it to work.
When an audio cd is inserted KsCD kicks in and starts reading the cd, so that seems fine. There is just no output whatsoever. Not with Grip and Xmms either. I'm able to listen to MP3's and other sounds.

This is what I already tried:

- I checked all audio channels with aumix to make sure the cd channel wasn't muted, or any other channel for that matter
- Using aumix I toggled the record mode on and off for the device to see if it made any difference
- I checked the analog cable inside my box. Output is fine in Windows XP, so to my knowledge the cable shouldn't be the problem
- I checked the entry for the dvd player in /etc/fstab
- cat /proc/devices returns the following (this is only the character devices part):

Character devices:
1 mem
2 pty
3 ttyp
4 ttyS
5 cua
7 vcs
10 misc
13 input
14 sound
29 fb
36 netlink
128 ptm
129 ptm
130 ptm
131 ptm
132 ptm
133 ptm
134 ptm
135 ptm
136 pts
137 pts
138 pts
139 pts
140 pts
141 pts
142 pts
143 pts
162 raw
171 ieee1394
180 usb

Strangely enough I also have a problem when trying to rip an audio cd using Grip. When I want to start ripping it creates the appropriate dirs but never starts ripping. What can be wrong here ?

Any suggestions ??

Cheers,

Eric
 
Old 03-31-2003, 10:55 PM   #2
LordChaos
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Hi again,

The Grip problem seems to be solved temporarily. When I use cdda2wav instead of cdparanoia as the ripper everything seems to go fine. I still need some help on the cd audio issue though.

Eric
 
Old 04-01-2003, 12:09 AM   #3
Thetargos
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First of all, what kind of sound card are you using? and is it totally supported under linux? have you upgraded your kernel to the current version? (2.4.18-27 <-- this is the official one). What audio driver are you using (esound, alsa, oss, etc)
 
Old 04-01-2003, 12:14 AM   #4
Thetargos
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Ok, did not read your signature, I see you have an Audigy 2, as to the best of my knowledge, it is not fully supported by the kernel, reason why you should go to the linux project page of Creative Labs, there is an *alfa* driver. I haven't tried it myself, due to the fact I use a Live! still (for three years now ) Look for new drivers here http://opensource.creative.com/
 
Old 04-01-2003, 12:21 AM   #5
LordChaos
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Hi Thetargos,

Thanks for your reply. I do have sound in RH 8, I use the emu10k1 driver from http://sourceforge.net/projects/emu10k1 Audigy 2 support has been in the CVS since january. It's working fine.
Yes I'm using the latest official kernel from RedHat, I'm not using a custom kernel at the moment.
It's just cd audio output that doesn't work...:-(

Eric
 
Old 04-01-2003, 12:28 AM   #6
Thetargos
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Check the page of the open source development from creative, to the best of my knowledge there is a driver (quite untested for what I could see) and a good deal on documentation on how to install it specifically made for Audigy 2 (Emu10k2)
 
Old 04-01-2003, 01:14 AM   #7
jbillow
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Not sure if this helps, but lots of posts lately about CD output wire to sound card analog input line vs. IDE cable read digital signal communication between CDROM & sound card. Many apps use analog input from CDROM, and so won't output to speaker or rip to drive from CDROM unless wire connected, you may need to either plug in cable bet. CDROM & sound card, or use app that understands option of reading audio from IDE cable, MS apps (media player, etc. do this), plugin for XMMS....cdread do it as well.
 
Old 04-01-2003, 09:50 AM   #8
LordChaos
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Cable

Hi guys,

As I said before, there is an analog cable running from dvd player to soundcard and I DO have sound in RH 8 using the mentioned driver.
Sure I can install an other driver, but to what use ?
I just want the cd audio output to work.

Eric

btw I have cd audio output in Windows XP

Last edited by LordChaos; 04-01-2003 at 09:59 AM.
 
Old 04-01-2003, 02:00 PM   #9
oswald21
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I have the same problem as you LordChaos. I am using the ALSA drivers for my soundcard (Intel chip) because it is not supported in the 2.4.x kernels, and everything works except the audio CDs, but when I boot into XP, it works just fine and dandy...

I am running Red Hat 9.0/beta3 (Pheobe), just FYI...
 
Old 04-01-2003, 02:43 PM   #10
Thetargos
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You said there the magic word oswald21, because the kernel doees not supports your card. In the case of LordChaos it is very much the same thing, he is using the emu10k1 driver which is not quite the same as the emu10k2 chipset he is currently using with his soundcard (Audigy 2), so it is to spect that some areas of the card will not function... but here is a rather stupid random thought... (I knwo you, LordChaos have done this) but have you made sure the analog cable is correctly attached? have you tried with an SPDIF (2 pin) cable? Otherwise I think you would have to wait until the new distros (whichever does it first) fully support your chipset (emu10k2)
 
Old 04-01-2003, 03:26 PM   #11
LordChaos
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Lightbulb

Hi again,

Thanks for all your replies, they were quite helpful. It could be a driver thing (I'm still not 100% sure), let me look into it and if anything remotely interesting will happen I'll let you guys know.

Eric
 
Old 04-01-2003, 03:57 PM   #12
oswald21
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I'm guessing that's right Thetargos. With ALSA, I have no issue with stuff like RealPlayer or even games, but my audio CD (using KDE) is just broken....

Oh well....
 
Old 04-07-2003, 09:56 AM   #13
mtb
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I have a similar problem, with a c-media sound card. For the few things i have read, i can solve it with a cd-rom to sound-card cable ( there are pins on the sound card ). but... how much it costs ( an idea )?
 
Old 04-07-2003, 10:02 AM   #14
LordChaos
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Smile Cable

Hi,

A cable to connect your sound card to your CD/DVD player shouldn't cost that much (I guess 5$ - 10$), it is a very basic cable. Usually one is provided when you buy a sound card. Have a look at your local computer store...

Good luck,

Eric
 
Old 04-07-2003, 10:07 AM   #15
oswald21
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Hmmm...for me it seems my sound card is supported in one of the 2.5 kernels, I'm wondering if I go for it (disable alsa) and upgrade to a dev kernel if my CD-ROM will play CDs?

It's a big move for me because I use the nVidia module as well, and that could easily break if I go to 2.5.x
 
  


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