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Old 12-18-2001, 10:15 AM   #1
ddpicard
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Registered: Oct 2001
Location: Texas
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AC97 Sound Card doubling speed of mp3's


Ok, I searched the forum but did not find any posts relating to my problem. I got a new computer here at work and reinstalled my Suse 7.2 again. It is a Dell Optiplex Gx400 with intergrated AC97 sound. I get sound and everything sounds normal until I play my MP3's. The rate at which they play are about double the normal speed giving me a chipmunk effect. Any ideas how to slow them down to normal? Oh, I was using xmms and even tried KDE's player also but same effect.

Thanks,
ddpicard

Last edited by ddpicard; 12-18-2001 at 12:51 PM.
 
Old 12-18-2001, 04:43 PM   #2
ddpicard
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Registered: Oct 2001
Location: Texas
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Ok, my mistake for the stupid subject line. Sorry. Just kidding around but I REALLY need some advice on how to resolve my audio playing to fast.

Thanks,
ddpicard
 
Old 12-21-2001, 10:11 PM   #3
trickykid
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Registered: Jan 2001
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not sure on that problem. never seen or heard of this ever. are they mp3's you downloaded or ripped yourself ?? are you accessing them off your linux box or maybe a windows parition ??

let me see what i can't dig up for you, very strange problem indeed.
 
Old 12-22-2001, 04:33 AM   #4
isajera
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i've seen it before... it's turned out to be problems with the programs. try downloading an mp3 player off of www.freshmeat.net - if it works, then you might need to rebuild xmms.
 
Old 12-26-2001, 09:27 AM   #5
ddpicard
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Registered: Oct 2001
Location: Texas
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Posts: 214

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Thanks for the responses Trickykid and Isajera.

Trickykid, it is any MP3 I try one that I ripped or downloaded, does not matter. And, I am playing them from my linux partition.

Isajera, I will go to Freshmeat and get a different mp3 player see how that works. This is happening on my computer at work and I am off for the holidays so I will try this when I get back and post and let you know.

Thanks,
ddpicard
 
Old 03-05-2002, 01:57 PM   #6
kulpret
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Registered: Mar 2002
Location: texas
Distribution: suse 7.2 mandrake 8.1
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I have the same problem with a dell optiplex gx150 with integrated AC97 sound card. The mp3 decode rate is still double speed even with latest version of xmms and freeamp. It is something to do with the sound server and the drivers on a AC97 sound card. Essentially it is CPU dependant, and the decoding is too fast on a Gigahertz speed CPU. I am going to try a fresh alsa installation to see if this corrects said problem.

br
jk
 
Old 03-05-2002, 04:23 PM   #7
kulpret
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Registered: Mar 2002
Location: texas
Distribution: suse 7.2 mandrake 8.1
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Okay,

I have a working fix. The alsa drivers for AC97 suck. If you switch to the OSS module all is nice for mp3 decoding.

comment out all the sound lines that reference alsa in /etc/modules.conf

stop alsa sound
/etc/init.d/alsasound stop (could be /etc/init.d/alsa)

mv /etc/init.d/rc3.d/S90alsasound s90alsasound
mv /etc/init.d/rc5.d/S90alsasound s90alsasound

add the line
alias sound-slot-0 i810_audio
to /etc/modules.conf

then execute
/sbin/modprobe/modprobe i810_audio

add the above line to a startup script in /etc/init.d/sound

#!/bin/sh
/sbin/modprobe/modprobe i810_audio
exit 0

make it executable and link it from rc3.d and rc5.d

br
jk
 
  


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