Hi, I'm also tring to making some sound out of the USRP box, however, even test with the most simple script to generate a dial tone given by http://www.gnu.org/software/gnuradio/doc/exploring-gnuradio.html the alsa seems can not work as expected. I could listen to music successfully under my Ubuntu 7.04 and gnuradio-alsa is successfully configured and compiled. I've checked some old maillist record to solve this problem but nothing helps. And I'm not using any music player at the same time when test the python script (Maybe my Ubuntu occupies it? I don't know....)
Hope here someone encountered the same newbie question as mine~ ^_^ =========================================== audio_alsa_sink[hw:0,0]: Device or resource busy Traceback (most recent call last): File "./dial_tone.py", line 20, in <module> fg = build_graph () File "./dial_tone.py", line 13, in build_graph dst = audio.sink (sampling_freq) File "/usr/local/lib/python2.5/site-packages/gnuradio/audio_alsa.py", line 236, in sink return _audio_alsa.sink(*args) RuntimeError: audio_alsa_sink _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
