Re: [Discuss-gnuradio] 48KHz audio board

[Eric Blossom]

On Sun, May 14, 2006 at 08:37:11AM +0930, Daniel O'Connor wrote:
> On Sunday 14 May 2006 07:19, Vincenzo Pellegrini wrote:
> > my audio board requires 48Ksps
> > the fm receiver in gnu radio examples delivers to it 32Ksps instead.
> > setting a overall decimation factor of 1320 i can get as near as 48484
> > samples/sec.
> >
> > but even if much better, this still gives problems. and there's no
> > integer factor that can take 64Msps to exactly 48Ksps.
> >
> > can anyone help a newbie?
> 
> I think you need a resampling function (or a smarter sound card ;)
> 
> eg sox can resample from one frequency to another, I don't know if there is 
> such a block in GNURadio though.

gr.rational_resampler.

See gnuradio-examples/audio/test_resampler.py

Eric