On Thu, Dec 05, 2013 at 02:05:31AM -0800, Artem Pisarenko wrote: > Btw, this restriction frustrating. Someone would like to make useful graph > containing both audio source and sink in single chain, but it's impossible > due to current GNU Radio design.
It's not impossible. The very first thing I did in GNU Radio (~6 years ago) was feed my mic input into an FM modulator and transmit that. That's 2 hardware clocks right there. If you *directly* connect audio source to sink, you can run into the problems you describe -- depending on the backend (my intuition says, Jack would handle that better than ALSA, haven't tried). > I think it would be better to implement such scheduler which do > synchronization itself (using software generator or some external source > provided by user). Optionally, of course. Maybe it wouldn't be such flexible > in this case, but overall effect is better. I guess authors considered this > variant but abandoned it by some reasons... Let's close this thread. Artem, if you have any specific questions please ask them in a new thread. I'd also like to ask everyone to stay respectful towards other people on this list and be appreciative of people spending their free time towards helping out. Martin -- Karlsruhe Institute of Technology (KIT) Communications Engineering Lab (CEL) Dipl.-Ing. Martin Braun Research Associate Kaiserstraße 12 Building 05.01 76131 Karlsruhe Phone: +49 721 608-43790 Fax: +49 721 608-46071 www.cel.kit.edu KIT -- University of the State of Baden-Württemberg and National Laboratory of the Helmholtz Association
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