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Old 08-05-2009, 12:16 AM   #1
rtrock
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Registered: Aug 2009
Location: Newberry, SC
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Ubuntu 9.04 audio codec/playback confusion


Hey all,

I'm trying Linux for the first time (dual booting Ubuntu 9.04 with Vista on an HP Pavilion dv7-1130us), am about a day into it and digging it so far. I'm normally pretty good about catching on quick and these forums really helped me with installing and partitioning and all of that fun stuff, so thanks for all that, but I have a question about audio playback.

In Vista, my IDT high-definition audio codec (version 6.10.6087.0 B) made the music playback on my laptop speakers sound great. While I use headphones a lot, I still prefer to listen to speaker playback sometimes and I'm always listening to music if I have the computer on...which is always. The codec may only work with Windows as the sound from the speakers in Ubuntu definitely don't sound as clear, but I'm fiddling with the sound options in System>Preferences>Sound and Volume Control and I can see, in the sound events, music playback and audio conferencing dropdown menus:

a host of varying HDA SB STAC92xx Digital/Analog options followed by either (ALSA) or (OSS)
and then what look like ALDA and OSS and PulseAudio options below

Now in the "Default Channel Mixer" dropdown I see:
Capture: HDA STI SB - STAC92xx Analog (PulseAudi...)
Capture: Monitor of HDA STI SB - STAC92xx Analog...
HDA ATI HDMI (Alsa mixer)
HDA ATI SB (Alsa mixer)
IDT 92HD71B7X (OSS Mixer)
Playback: HDA STI SB - STAC92xx Analog (PulseAudi...)

I've tried researching Linux audio architecture, but I'm a newbie and got lost fairly easily. I can see what looks like my IDT codec in there, but what can I do with it? I'm not really sure about anything I'm looking at. I'm sorry for the novel, but I'm trying to be as thorough as I can. Is there any way I can make my speakers sound better using what I have here? I'm up for downloading and fiddling, too.

Thanks! I'm looking forward to a long and happy relationship with my new OS!
 
Old 08-05-2009, 12:46 AM   #2
jdkaye
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Registered: Dec 2008
Location: Westgate-on-Sea, Kent, UK
Distribution: Debian Testing Amd64
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Does any of this help?
http://ubuntuforums.org/archive/inde...t-1128351.html
http://www.bioticaindia.com/idt-high...ion-audio.html
http://ubuntuforums.org/showthread.php?t=912896&page=3
and there are many many more. You need google and patience.
cheers,
jdk
 
Old 08-05-2009, 12:49 AM   #3
rtrock
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Registered: Aug 2009
Location: Newberry, SC
Posts: 3

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Google and patience? I have both! Thank you, I'll try this tomorrow after I get home from work. Can't wait. Guess I was looking for the wrong stuff, don't know how I missed it. Thanks again.
 
Old 08-05-2009, 01:01 AM   #4
jdkaye
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Location: Westgate-on-Sea, Kent, UK
Distribution: Debian Testing Amd64
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Quote:
Originally Posted by rtrock View Post
Google and patience? I have both! Thank you, I'll try this tomorrow after I get home from work. Can't wait. Guess I was looking for the wrong stuff, don't know how I missed it. Thanks again.
Maybe not. I'm not familiar with the card so I can't guarantee these will be solutions but maybe you'll get some leads. I googled using linux idt high definition audio

Best of luck,
jdk
 
Old 08-08-2009, 02:36 PM   #5
rtrock
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Registered: Aug 2009
Location: Newberry, SC
Posts: 3

Original Poster
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I've searched through dozens of threads and tried a number of solutions, but maybe my problem isn't fixable? It's not that I don't have sound, it's that I'd like it do sound better like it does on Vista through the IDT codec. Is there a way to change the playback device on Ubuntu or is ALSA the only way to go (as opposed to OSS)? Ubuntu recognizes the Intel audio (the HDA) just fine, I'd just like the IDT codec to work its magic. Maybe I'm working on something that can't be fixed, but I'm taking a shot. Thanks for all the help!
 
Old 08-09-2009, 12:39 AM   #6
jdkaye
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Registered: Dec 2008
Location: Westgate-on-Sea, Kent, UK
Distribution: Debian Testing Amd64
Posts: 5,464

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Quote:
Originally Posted by rtrock View Post
I've searched through dozens of threads and tried a number of solutions, but maybe my problem isn't fixable? It's not that I don't have sound, it's that I'd like it do sound better like it does on Vista through the IDT codec. Is there a way to change the playback device on Ubuntu or is ALSA the only way to go (as opposed to OSS)? Ubuntu recognizes the Intel audio (the HDA) just fine, I'd just like the IDT codec to work its magic. Maybe I'm working on something that can't be fixed, but I'm taking a shot. Thanks for all the help!
Besides, Alsa and OSS, there's also pulse audio which should be available on ubuntu. In principle, there's no reason for you not getting quality as good as that in Vista except the manufacturer's refusal to release the code so that good drivers can be written.
cheers,
jdk
 
  


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