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pyo fails with "invalid number of channels" (but other ...
https://groups.google.com/g/pyo-discuss/c/RCd489YoU3M
portaudio error in Pa_OpenStream: Invalid number of channels Portaudio error: Invalid number of channels Server not booted. Other Python code that uses the portaudio API seems to work without a...
c - Invalid number of channels in portaudio example ...
https://stackoverflow.com/questions/36876355/invalid-number-of-channels-in-portaudio-example
Error number: -9998 Error message: Invalid number of channels I have also installed and ran this example on my personal computer (running Ubuntu) following the same steps, and it runs as expected, without errors.
Getting IOError: [Errno Invalid number of channels] -9998 ...
https://stackoverflow.com/questions/31073667/getting-ioerror-errno-invalid-number-of-channels-9998-when-using-mic-with-py
looks like it, mine didn't either. You can see if it's mono or stereo either by selecting your card in alsamixer and going to Capture, or use get_device_info_by_index with pyaudio which will print how many channels the device supports: pa = pyaudio.PyAudio() for x in xrange(0,pa.get_device_count()): print pa.get_device_info_by_index(x) (see the …
PortAudio error: Invalid number of channels - FLDIGI | …
https://forums.qrz.com/index.php?threads/portaudio-error-invalid-number-of-channels-fldigi.473408/
Now it gives the PortAudio error: Invalid number of channels, and there is no waterfall. I am using Vista and the USB signallink. I was using fldigi version 3.22.05, and have upgraded to 3.22.06 following some research on the web, but still get the same issue. I don't have other software running. Everything works OK for digital modes in other programs (dx4win and …
[SOLVED] ALSA + Jack or PulseAudio to run a RME Babyface ...
https://bbs.archlinux.org/viewtopic.php?id=250277
speaker-test -Dhw:0 -c2 Playback device is hw: 0 Stream parameters are 48000 Hz, S16_LE, 2 channels Use 16 octaves of pink noise Sample format not supported: The argument is invalid Error while setting the hardware parameters: The argument is invalid. This line is running: speaker-test -D:0 -Dplug:front -c2.
'pa_stream_new() has failed: Invalid argument' when ...
https://github.com/MusicPlayerDaemon/MPD/issues/493
Hello, When I attempt to play a 5-channels OGG file through MPD, the command line client displays the following error: ERROR: Failed to open "Pulse output" (pulse); pa_stream_new() has failed: Invalid argument Playing the same file using...
Using all 12 channels of Babyface Pro in Linux (Page 1 ...
https://www.forum.rme-audio.de/viewtopic.php?id=23019
PulseAudio only shows it as a stereo device. Mixxx, which uses the PortAudio library, displays all 12 channels as available but doesn't work when any channels other than 1-2 are selected. Here is debugging output of Mixxx: Debug [Main]: SoundManager::setupDevices () Debug [Main]: SoundDevicePortAudio::open () "2, Babyface Pro (70785713): USB Audio …
pavucontrol Establishing connection to PulseAudio. Please ...
https://bbs.archlinux.org/viewtopic.php?id=260189
$ alsamixer cannot open mixer: No such file or directory $ amixer amixer: Mixer attach default error: No such file or directory $ amixer -c 1 Invalid card number. $ alsamixer -c 1 invalid card index: 1
INVALID NUMBER OF CHANNELS - FlexRadio
http://forums.flexradio.com/FindPost5355.aspx
Within the list of audio devices are Input and Output channles. If you pick the virtual audio cables 1 and 2 from the same sound mapper (both input channles for example) then you will get this error. You need to ensure you select the Virtual audio cables form each mapper correctly. Take a look at this audio channel map form WSJT setup:
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