Re: file.wav -> dsp issue

[Lee Revell <rlrevell@joe-job.com>]

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.

Lee



-------------------------------------------------------
SF email is sponsored by - The IT Product Guide
Read honest & candid reviews on hundreds of IT Products from real users.
Discover which products truly live up to the hype. Start reading now. 
http://productguide.itmanagersjournal.com/