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Re: [Discuss-gnuradio] audio card sampling rate problem
From: |
Matt Ettus |
Subject: |
Re: [Discuss-gnuradio] audio card sampling rate problem |
Date: |
Wed, 04 Jul 2007 13:35:56 -0700 |
User-agent: |
Thunderbird 2.0.0.0 (X11/20070326) |
Jiri Pittner wrote:
> Hi all,
>
> I have been experienting with gnuradio for some time and I have noticed an
> annoying problem
> with the audio sampling rate: in the scripts from the example directory it is
> set to a hard
> value of 32ksamples/s. However, my laptop audio card (or its linux driver) do
> not support
> this speed, only 44100 or 48000. So when updating to scripts from new
> gnuradio source it is
> always necessary to adapt the values in the scripts. Is there some way how to
> ask the alsa
> system about supported audio sampling rates from within a python script? I
> guess there can
> be more users with such limitations and it would be nice if the final
> gnuradio applications
> would determine the audio rates automatically.
>
Use the following option "-O plughw:0.0"
That tells alsa to use its own resampler.
Matt