intel core 2 quad 2.40ghz
i am not overclocking or anything like that. i even reset the bios to fail-safe defaults and optimized defaults, but nothing will give me clear audio.
it seems the ubuntu startup music is clear too. is that the same thing as "aplay -D .... " wherein, it is skipping the cpu and going right through alsa?
any chance upgrading to the latest nvidia drivers might solve this? i am using the most up to date available through ubuntu packages for 10.04 lucid
andy
Date: Sun, 3 Oct 2010 19:40:36 +0100
From: sinnloseadresse@xxxxxxxx
Subject: Re: hdmi audio scratchy
To: alsa-user@xxxxxxxxxxxxxxxxxxxxx; abrymer8@xxxxxxxxxxx
Whats your CPU? maybe you have activated some outdated cpufreq option (Example, my N330 will work with p4-clockmod, but give very bad performance)
If you play a sound using aplay, you just shove the already right formatted pcm into the soundcard. no work for the CPU.
--- Andy Brymer <abrymer8@xxxxxxxxxxx> schrieb am So, 3.10.2010:
Von: Andy Brymer <abrymer8@xxxxxxxxxxx>
Betreff: Re: hdmi audio scratchy
An: alsa-user@xxxxxxxxxxxxxxxxxxxxx
Datum: Sonntag, 3. Oktober, 2010 18:47 Uhr
anyone have any ideas?
when I execute "aplay -D plug:hdmi /usr/share/shounds/alsa/Front_Center.wav" or "aplay /usr/share/shounds/alsa/Front_Center.wav" the sound is crystal clear.
if i play anything else the sound quality is poor: browser, mp3, dvd, etc...
what am I missing here? is this an alsa config issue or something else? if something else, can someone point in the right direction to research?
thanks
> Date: Thu, 30 Sep 2010 07:39:51 +0200
> From: josel.segura@xxxxxx
> To: alsa-user@xxxxxxxxxxxxxxxxxxxxx
> Subject: Re: hdmi audio scratchy
>
> El Wed, 29 Sep 2010 22:53:19 -0500
> Andy Brymer <abrymer8@xxxxxxxxxxx> escribió:
>
> > the bizarre thing is that when i do:
> > aplay -D plug:hdmi /usr/share/sounds/alsa/Front_Center.wav
> > ....
> >
> > do i NEED a ~/.asoundrc file? if so,
what should the contents be?
> > I've seen differing opinions on this issue.
>
> Whay happens if you play only
> "aplay /usr/share/sounds/alsa/Front_Center.wav", without the "-D"
> option?
>
> If you have poor quality using the command above, you will need
> a .asoundrc (or /etc/asound.conf)
>
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