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spatialaudio / python-sounddevice

:sound: Play and Record Sound with Python :snake:
https://python-sounddevice.readthedocs.io/
MIT License
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Raspberry pi: sounddevice query_devices() does not see usb devices #504

Closed pr-wiley closed 7 months ago

pr-wiley commented 7 months ago

import sounddevice as sd sd.query_devices() 0 sysdefault, ALSA (0 in, 128 out) 1 lavrate, ALSA (0 in, 128 out) 2 samplerate, ALSA (0 in, 128 out) 3 speexrate, ALSA (0 in, 128 out) 4 upmix, ALSA (0 in, 8 out) 5 vdownmix, ALSA (0 in, 6 out) < 6 default, ALSA (0 in, 128 out) 7 dmix, ALSA (0 in, 2 out)

BUT

$ lsusb Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 007: ID 0d8c:000c C-Media Electronics, Inc. Audio Adapter Bus 001 Device 006: ID 0d8c:000c C-Media Electronics, Inc. Audio Adapter Bus 001 Device 005: ID 0d8c:000c C-Media Electronics, Inc. Audio Adapter Bus 001 Device 004: ID 1a40:0201 Terminus Technology Inc. FE 2.1 7-port Hub Bus 001 Device 003: ID 0781:55a1 SanDisk Corp. Cruzer Spark Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Why aren't the C-Media cards listed when I do sd.query_devices()? My memory is that they were, but after updating the system they aren't. I'm confused about what might have gone wrong.

System info: Raspberry Pi 4 Model B Rev 1.4. --- Linux version 6.1.21-v8+ (dom@buildbot) (aarch64-linux-gnu-gcc-8 (Ubuntu/Linaro 8.4.0-3ubuntu1) 8.4.0, GNU ld (GNU Binutils for Ubuntu) 2.34) #1642 SMP PREEMPT Mon Apr 3 17:24:16 BST 2023

mgeier commented 7 months ago

https://github.com/spatialaudio/python-sounddevice/issues/471#issuecomment-1784838528

pr-wiley commented 7 months ago

Above poster here in error. Apologies for duplication.