Re: [Discuss-gnuradio] Audio spectrum inversion - easy & fun

[Berndt Josef Wulf]

On Monday 04 October 2004 00:53, Eric Blossom wrote:
> On Sun, Oct 03, 2004 at 10:56:47PM +0930, Berndt Josef Wulf wrote:
> > On Sunday 03 October 2004 22:01, Chuck Swiger wrote:
> > > At 06:21 PM 10/3/2004 +0930, you wrote:
> > > 
> > > >Does linux allow you to open the same device twice? Both calls to 
> > > >audio_source
> > > >and audio_sink open the same device namely /dev/dsp and hence would 
> > > >return
> > > >two file handles:
> 
> > > >Running the above demo program with GnuRadio on a NetBSD system will 
> > > >return 
> > a
> > > >"device busy" signal as one would expect. Am I missing something here? 
> > > >What
> > > >is the secret? :)
> 
> The code definitely works under GNU/Linux.
> 
> Is there another audio interface available under NetBSD, say something
> like ALSA?  How about some kind of "audio server".  Not being able to
> open the audio tx and audio rx separately (or in two different
> processes) is a pretty serious "mis-feature".

esound, arts and other soundserver work fine.

73, Berndt
VK5ABN