Re: [Alsa-user] file.wav -> dsp issue
Brian L Scipioni <brian <at> gaugetheory.org>
2004-12-01 14:56:52 GMT
I have this problem too - but probably others causing it.
aplay -D spdif /usr/share/sounds/startup3.wav works fine.
aplay -D /usr/share/sounds/startup3.wav gives the following error:
ALSA lib pcm.c:1975:(snd_pcm_open_noupdate) Unknown PCM /usr/share/sounds/startup3.wav
aplay: main:508: audio open error: No such file or directory
cat /usr/share/sounds/startup3.wav > /dev/dsp
makes no sound and hangs for 55 seconds on this 2.5 second sample.
They both worked before I installed 1.0.7. However, I also installed the OSS compatibility libs this time.
Also when I run alsaconf now it finds 2 cards even though I only have 1.
emu10k1 Creative ...
legacy Probe legacy ISA chips
I suspect this second device is the tiny speaker on my motherboard, no? Is it getting all the attention?
Except for when I specify spdif on the command line "alsaplayer -d spdif ..." none of my audio apps work.
What gives here? Anybody know? Everything USED to work.
my .asoundrc is as suggested for my card (Audigy2 Platinum):
On Tue, 2004-11-30 at 16:02, Lee Revell wrote:
On Tue, 2004-11-30 at 15:05 -0500, Haines Brown wrote:
> > On Tue, 2004-11-30 at 13:04 -0500, Haines Brown wrote:
> > > # cat file.wav > /dev/dsp
> > >
> > > it seems to play at half speed (pitch is very low, playing speed very
> > > slow).
> > >
> > > Is the command above the best way to do a simple test of sound? Why
> > > should sending the file to dsp not play correctly?
> > No, that is the way to do it with the deprecated OSS API. It seems like
> > a convenient, Unixy way to play sounds but there are many problems with
> > it.
> > The ALSA way is "aplay file.wav". Does this work?
> Yes, that worked fine. I find that it plays WAV and VOC, but not MID
> and WMA files (just screeches). Thanks.
Hmm, my point about the OSS api notwithstanding, seems like cat foo.wav
> /dev/dsp should work, if aplay groks the format. It seems to be
getting the sample rate wrong. I am cc'ing alsa-devel.
What's the sample rate of your .wav file? Do you get the same results
with other sample rates?
This could be a bug in the OSS emulation layer.
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