Also, any Etoys object has a "play frequency of ..." command (in the viewer's "sound" category) that plays a sine wave of that frequency. This uses Squeak's FM synthesis and outputs to ALSA directly with no involvement of gstreamer or csound.
- Bert - On 02.04.2008, at 13:25, Walter Bender wrote: > there is a simple example in Pippy as well. > > -walter > > On Wed, Apr 2, 2008 at 1:14 AM, Arjun Sarwal <[EMAIL PROTECTED]> wrote: >> Tom, >> >>> >>> Arjun, could you suggest an activity that gives a good clean >>> example of >>> sending sound to the speakers? Thanks. >>> >>> >> You could use gstreamer (the same package the measure uses to grab >> audio data) >> to create a pipeline, a command line example is below which generates >> a sine of 500Hz >> >> gst-launch-0.10 audiotestsrc wave=sine freq=500 ! audioconvert ! >> alsasink >> >> In python you could create a pipeline and implement it similar lines >> to that given in audiograb.py in the Measure code. >> >> >> I think it is possible to generate tones using Csound too and perhaps >> other Activities are doing it, but I'm not aware of them. >> >> >> regards >> Arjun >> >> --- >> Arjun Sarwal >> Intern at One Laptop per Child >> <[EMAIL PROTECTED]> >> http://laptop.org/ >> _______________________________________________ Sugar mailing list [email protected] http://lists.laptop.org/listinfo/sugar

