As ar as I can tell alsa uses the read and write as separate devices. Thus running aplay and arecord at the same time is a "full duplex" As for synchronizing gthe two I do not know how you do that. On Thu, 27 May 2010, MASAO TAKAHASHI wrote: > Help me! > Please show me a full-duplex programming example. > > > ---------- > MASAO TAKAHASHI <masao-takahashi@xxxxxxxxxxx> > KANNO WORKS CO., LTD. JAPAN > TEL 093-436-2330 > > ------------------------------------------------------------------------------ > > _______________________________________________ > Alsa-user mailing list > Alsa-user@xxxxxxxxxxxxxxxxxxxxx > https://lists.sourceforge.net/lists/listinfo/alsa-user > -- William G. Unruh | Canadian Institute for| Tel: +1(604)822-3273 Physics&Astronomy | Advanced Research | Fax: +1(604)822-5324 UBC, Vancouver,BC | Program in Cosmology | unruh@xxxxxxxxxxxxxx Canada V6T 1Z1 | and Gravity | www.theory.physics.ubc.ca/ ------------------------------------------------------------------------------ _______________________________________________ Alsa-user mailing list Alsa-user@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/alsa-user