Re: [Discuss-gnuradio] audio card sampling rate problem

[Matt Ettus]

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