Hi I am running Xubuntu 10.04 - upgraded yesterday from 9.10. I have not had sound working in either versions. I have a ThinkPad 600 - which is notorious for sound problems. In Mixer it only listed Dummy as a device. I followed some instructions written for Ubuntu a while back specifically for the TP 600. http://ubuntuforums.org/showthread.php?t=188736 Now I have partial success. In Mixer it shows CS4237B (Alsa Mixer), CS4237B (OSS Mixer) and Playback: CS4237B Analog Stereo as well as a couple of capture devices. Now when I play an MP3 using Exaile playback is very choppy to the point of you cannot hear the music. I followed the instructions carefully and double checked I had everything for the sound written properly. II could not find on my system in the boot folder the menu.lst to edit the acpi settings and I am wondering if this has anything to do with it. Also on boot it shows on the screen the following message 'cs423x pnpbios unable to assign' or something like that as it shows only briefly before loading the desktop. Any help would be greatly appreciated. I seemed to have gotten this far. It would appear to me that the drivers or modules are loading correctly but it is a hardware conflict that needs resolving. Please help.
Simon Royal
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On 30/04/10 11:59, Simon Royal wrote:
Now when I play an MP3 using Exaile playback is very choppy to the point of you cannot hear the music.
MP3 Playback on a 300Mhz P2 and modern audio paths could be problematic, what does "top" say the cpu load is during playback ?
It may be simply that you don't have enough grunt to cope with them..that being the case you could try via another method as I assume exaile is using gstreamer or something...can mpg123 play the file from the command line ?
Or alternatively try with something like a wav file that doesn't need to be decompressed on the fly
Wayne Under XP it plays MP3 fine. I know it isn't the fastest machine in the world, but it should at least make some noise. I don't even here the start up noise. I am not sure how to play from command line.
Simon Royal
--- Twitter: http://twitter.com/SimonRoyal - LowEndMac: http://tinyurl.com/macspectrum - Skype: Simon-Royal.
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Date: Fri, 30 Apr 2010 14:28:58 +0100 From: ALUGlist@digimatic.co.uk To: main@lists.alug.org.uk Subject: Re: [ALUG] Xubuntu Sound Help Please
On 30/04/10 11:59, Simon Royal wrote:
Now when I play an MP3 using Exaile playback is very choppy to the point of you cannot hear the music.
MP3 Playback on a 300Mhz P2 and modern audio paths could be problematic, what does "top" say the cpu load is during playback ?
It may be simply that you don't have enough grunt to cope with them..that being the case you could try via another method as I assume exaile is using gstreamer or something...can mpg123 play the file from the command line ?
Or alternatively try with something like a wav file that doesn't need to be decompressed on the fly
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On 30/04/10 14:56, Simon Royal wrote:
Wayne Under XP it plays MP3 fine. I know it isn't the fastest machine in the world, but it should at least make some noise. I don't even here the start up noise. I am not sure how to play from command line.
Well yes...I am just thinking that exaile/gstreamer/pulseaudio etc probably aren't targeted to that sort of hardware so there may be a performance bug that appears on your machine. Linux sound now goes through about a million subsystems before it hits the speaker.
apt-get install mpg123 and them mpg123 filename.mp3 would eliminate at least a few and then we could look at if there is an alternate gui player or a configuration option in exaile that would use an alternate path.
Also playing a raw pcm encoded stream would be a lot easier on the hardware and so prove if the rest of the sound configuration is at least working well enough that we could expect sound.
The start up sounds and other sounds in the gui are ogg's which again have a reasonable cpu overhead to play (maybe even more overhead than mp3's) and again go via gstreamer in the default configuration I believe.
again these tests aside, running top in a console whilst they are playing (or trying to play) would at least be likely to give an indication as to if the CPU was the bottleneck
On 30/04/10 14:56, Simon Royal wrote:
Wayne Under XP it plays MP3 fine. I know it isn't the fastest machine in the world, but it should at least make some noise. I don't even here the start up noise. I am not sure how to play from command line.
Well yes...I am just thinking that exaile/gstreamer/pulseaudio etc probably aren't targeted to that sort of hardware so there may be a performance bug that appears on your machine. Linux sound now goes through about a million subsystems before it hits the speaker.
apt-get install mpg123 and them mpg123 filename.mp3 would eliminate at least a few and then we could look at if there is an alternate gui player or a configuration option in exaile that would use an alternate path.
Also playing a raw pcm encoded stream would be a lot easier on the hardware and so prove if the rest of the sound configuration is at least working well enough that we could expect sound.
The start up sounds and other sounds in the gui are ogg's which again have a reasonable cpu overhead to play (maybe even more overhead than mp3's) and again go via gstreamer in the default configuration I believe.
again these tests aside, running top in a console whilst they are playing (or trying to play) would at least be likely to give an indication as to if the CPU was the bottleneck
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Simon Royal -
Wayne Stallwood -
Wayne Stallwood