Dear All, I am trying my hands at GNU Radio on Ubuntu 10.1. I have been successful in installing GNU but am not able to use Audio sink in GRC. The error message is:
*audio_alsa_sink[hw:0,0]: Device or resource busy Traceback (most recent call last): File "/home/praphul/top_block.py", line 42, in <module> tb = top_block() File "/home/praphul/top_block.py", line 28, in __init__ self.audio_sink_0 = audio.sink(48000, "", True) File "/usr/lib/python2.6/dist-packages/gnuradio/audio_alsa.py", line 321, in sink return _audio_alsa.sink(*args, **kwargs) RuntimeError: audio_alsa_sink* I have tried several sampling frequencies for Audio sink and error is similar. Also, the dial_tone.py is returning following error: *gr_vmcircbuf_createfilemapping: createfilemapping is not available* Please help and suggest solutions -- Praphul
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