From alsa-user-owner@alsa.jcu.cz  Thu Dec 31 04:19:46 1998
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Date: Fri, 01 Jan 1999 02:16:19 +0000
From: James Gregory <pgregory@thepla.net>
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To: alsa-user@alsa.jcu.cz
Subject: Re: I can't play audio CD
References: <MNPR7829249F1@manpart.demon.co.uk> <368AE577.360FC3B0@unicamp.br>
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Another way you could play CD's is with piping. Download a copy of the CD
Paranoia program, and invoke it like this:

cdda2wav - | aplay

that will read the digital data from the CD and send it straight to aplay
through stdout and stdin. This is sorta cool because using it you can play
some broken cd's as well, I find it also increases the audio quality
because you can mute the CD in on your sound card which is the main source
of noise in your pc

Hope that helps

Jim.

gonzal wrote:

>  > I've installed the alsa drivers for the CMI8330.
>
> > > I can play *.au e *.wav files, but I can't play
> > > audio CD's.
> > >
> > > Can you play audio CD's.
>
> Jaroslav Kysela <perex@jcu.cz> wrote:
>
> >I'm sorry, this chip isn't fully supported due to lacking docs..
>
> David Mansell wrote:
>
> > Actually playing audio CDs is part of the CD-ROM drivers rather
> > than the sound driver.  Does the audio CD play at all (e.g. can you
> > hear sound through the headphone socket on the front?)
>
> > ALSA tends to use hardware muting so you might not be able to
>
> > hear the CD even though it is actually working, you need a mixer
> > which understands ALSA (e.g. alsamixer which is available from
> > the same site as ALSA itself) to unmute the relevant channels,
> > OSS mixers (e.g. xmix) won't be able to do this.
> >
>
> I use the alsamixer and I use aplay to play *.au, *.wav, and so on.
> The sound is very good. When I using (by example) the workman,
> I set the device to /dev/hdd (where my CD-ROM is). Then the
> workman play the CD, there is no signal in the line out of the
> back, but if I plug in the front of the CD-drive, I can heart the
> music normally. I can also change the track of the CD and the
> other functions of the workman.
>
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