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Re: [Discuss-gnuradio] Example programs and alsa

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] Example programs and alsa
Date: Fri, 14 Apr 2006 15:53:41 -0700
User-agent: Mutt/1.5.9i

On Fri, Apr 14, 2006 at 03:11:46AM +0000, paul munro wrote:
> Hi, I have just installed gnu radio and tried the example programs in the 
> examples directory. There is an issue with alsa. The last few lines look 
> like this:
>  File "./am_rcv.py", line 41, in __init__
>    audio_sink = audio.sink (int (audio_rate))
>  File "/usr/local/lib/python2.3/site-packages/gnuradio/audio_alsa.py", line 
> 222, in sink
>    return _audio_alsa.sink(*args)
> RuntimeError: audio_alsa_sink
> I am guessing there is an issue with the sound card setup. The programs 
> that don't use the sound card work fine. I haven't installed portaudio due 
> to dependency issues that I am yet to sort out. Is this an issue?

ALSA currently works much better under GNU/Linux than portaudio.

> All the other packages installed without error.

Have you tried running the examples in gnuradio-examples/python/audio ?

Can anything talk to your sound card?  E.g., does KDE make sounds when
starting up?


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