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Re: [Discuss-gnuradio] RuntimeError: audio_alsa_source
From: |
Firas A. |
Subject: |
Re: [Discuss-gnuradio] RuntimeError: audio_alsa_source |
Date: |
Thu, 13 Dec 2007 21:24:16 -0800 (PST) |
What is your OS Type? (Fedora, Ubuntu, .....)
Firas
Brook Lin wrote:
>
> Hi Firas, I am using gnuradio3.1.1
>
>
> Firas A. wrote:
>>
>> What is your OS, gnuradio version ?
>>
>> Firas,
>>
>>
>> Brook Lin wrote:
>>>
>>> Hi All,
>>>
>>> I just ran tx_voice and rx_voice.And I wanted to transmit a music and
>>> receive it using Basic RX/TX. However, I got the error:
>>> $ sudo ./tx_voice.py -f 30M -I music.pcm -T A -v
>>>>>> gr_fir_fff: using SSE
>>> bits per symbol = 1
>>> Gaussian filter bt = 0.35
>>> Using TX d'board A: Basic Tx
>>> Tx amplitude 12000
>>> modulation: gmsk_mod
>>> bitrate: 50kb/s
>>> samples/symbol: 5
>>> interp: 512
>>> Tx Frequency: 30M
>>> ALSA lib pcm.c:2145:(snd_pcm_open_noupdate) Unknown PCM musicpcm.pcm
>>> audio_alsa_source[musicpcm.pcm]: No such file or directory
>>> Traceback (most recent call last):
>>> File "./tx_voice.py", line 150, in <module>
>>> main()
>>> File "./tx_voice.py", line 121, in main
>>> tb = my_top_block(mods[options.modulation], options)
>>> File "./tx_voice.py", line 69, in __init__
>>> self.audio_rx = audio_rx(options.audio_input)
>>> File "./tx_voice.py", line 52, in __init__
>>> src = audio.source(sample_rate, audio_input_dev)
>>> File "/usr/lib64/python2.5/site-packages/gnuradio/audio_alsa.py", line
>>> 219, in source
>>> return _audio_alsa.source(*args)
>>> RuntimeError: audio_alsa_source
>>>
>>> Does anyone know how to solve it? I don't quite understand.
>>>
>>> Thanks in advance!
>>>
>>>
>>
>>
>
>
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