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sounddevice.PortAudioError: Error opening OutputStream: Device unavailable [PaErrorCode -9985]
See original GitHub issueI connected a USB headset to listen to a sound made by sounddevice as part of #198, and I got the following error:
Traceback (most recent call last):
File "foo.py", line 45, in <module>
play(sample_rate)
File "foo.py", line 39, in play
sounddevice.play(array_2, samplerate=hz)
File "C:\Program Files\Python37\lib\site-packages\sounddevice.py", line 154, in play
**kwargs)
File "C:\Program Files\Python37\lib\site-packages\sounddevice.py", line 2417, in start_stream
**kwargs)
File "C:\Program Files\Python37\lib\site-packages\sounddevice.py", line 1374, in __init__
**_remove_self(locals()))
File "C:\Program Files\Python37\lib\site-packages\sounddevice.py", line 780, in __init__
'Error opening {0}'.format(self.__class__.__name__))
File "C:\Program Files\Python37\lib\site-packages\sounddevice.py", line 2572, in _check
raise PortAudioError(errormsg, err)
sounddevice.PortAudioError: Error opening OutputStream: Device unavailable [PaErrorCode -9985]
The headset otherwise works, Windows 7 plays audio through it just fine.
Issue Analytics
- State:
- Created 4 years ago
- Comments:6 (6 by maintainers)
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Headset model: Logitech USB Headset H390.
Hardware IDs:
When troubleshooting another issue with @mgeier , we came to the conclusion that this bug only happens when ASIO is included in the PortAudio DLL, and is probably related to the initialization action that PortAudio does to ASIO.