Interesting. I'd seen the sound.getODevices() call before but that only
gets a list of devices. On close inspection of the example you linked to
it looks like the sound card is an option when playing:
snd=3Dsound.Output( int( r.sample_rate* rate ), r.channels,
sound.AFMT_S16_LE, card )

In the basic tutorial I'd seen before it did not show the "card" option:
  sampleRate=3D f.getframerate()
  channels=3D f.getnchannels()
  format=3D sound.AFMT_S16_LE
  snd1=3D sound.Output( sampleRate, channels, format )

Thanks for your help.

Bob


On Mon, Jul 22, 2013, at 10:05 AM, Alex Harford wrote:
> The PyMedia example player seems to let you choose the card:
>=20
> http://pymedia.org/tut/src/aplayer.py.html
>=20
> See the call to 'sound.getODevices()'
> http://pymedia.org/docs/pymedia.audio.sound.html#-getODevices
>=20
> On Mon, Jul 22, 2013 at 8:59 AM, Bob Blick <bobblick@ftml.net> wrote:
> > I'm trying to do a simple audio playback with Python through an
> > alternate sound card (generic usb audio device) but it seems most of th=
e
> > easy libraries (PyMedia, PyGame, PyAudio) for playing sound in Python
> > don't have that capability, they all play through the default audio
> > device.
> >
> > This is for Linux and doesn't need to be portable, but it should be
> > simple because I'm not too smart where Python or Linux is involved. I'm
> > doing this project to improve my Python chops and make a Halloween type
> > of sound and light effect display at home. I already have a Linux box
> > running all the time near it so that's why I'm doing it this way.
> >
> > I did find this method but from my untrained eye it looks like it
> > bypasses the sound server. But maybe that's OK in this case, nothing
> > else will be accessing the usb audio device and system sounds will play
> > through the default device as normal:
> >
> > http://bytes.com/topic/python/answers/37418-how-play-sound-python
> >
> > Any comments would be welcome though, since I'm clueless :)
> >
> > Thanks!
> >
> > Bob

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