Pisound only outputs one audio channel

Pisound Support
1

Hi

I am only getting one channel of audio. I am exporting stereo rnbo patchers to the pisound and only the left channel works. It is not rnbo, as running speaker-test gives the same result–4 seconds of noise in my left ear.

Here is some info based on forum searching:

  1. Power source: bundled Rpi adapter

  2. Output of play -l

**** List of PLAYBACK Hardware Devices ****
card 0: Dummy [Dummy], device 0: Dummy PCM [Dummy PCM]
Subdevices: 7/8
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
Subdevice #2: subdevice #2
Subdevice #3: subdevice #3
Subdevice #4: subdevice #4
Subdevice #5: subdevice #5
Subdevice #6: subdevice #6
Subdevice #7: subdevice #7
card 1: Headphones [bcm2835 Headphones], device 0: bcm2835 Headphones [bcm2835 Headphones]
Subdevices: 8/8
Subdevice #0: subdevice #0
Subdevice #1: subdevice #1
Subdevice #2: subdevice #2
Subdevice #3: subdevice #3
Subdevice #4: subdevice #4
Subdevice #5: subdevice #5
Subdevice #6: subdevice #6
Subdevice #7: subdevice #7
card 2: pisound [pisound], device 0: PS-01X4APN snd-soc-dummy-dai-0 [PS-01X4APN snd-soc-dummy-dai-0]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 3: vc4hdmi0 [vc4-hdmi-0], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 4: vc4hdmi1 [vc4-hdmi-1], device 0: MAI PCM i2s-hifi-0 [MAI PCM i2s-hifi-0]
Subdevices: 1/1
Subdevice #0: subdevice #0

  1. Output of sudo systemctl status jack

Unit jack.service could not be found

Finally, what command do I use to stop speaker-test? I tried

sudo systemctl stop speaker-test

And got

Failed to stop speaker-test.service: Unit speaker-test.service not loaded.

2

To stop speaker-test, simply send the interrupt signal by pressing Ctrl+C on your keyboard.

Hmm, do you have any audio settings customized on your system? Any chance you could flash a fresh Patchbox OS or Raspberry Pi SD card, and try testing using audio using this command:

speaker-test -c2 -r48000 -Dhw:pisound

Just to verify this is not some possible misconfiguration somewhere. If it still doesn’t work well, chances are, there’s some physical hardware issue (we do test each and every board for proper audio operation during quality check, but still things can go wrong at any time afterwards) and has to be repaired.

3

Hi Giedrus,

Thanks for your reply. I could certainly do a new OS boot.

I am currently using the custom distribution for here (the top one, >= 1.1.0):

Am I right to use the same?

Best,
Christopher

4

For testing purposes, I’d recommend using either Patchbox OS – Raspberry Pi OS for Audio Projects or Raspberry Pi OS – Raspberry Pi, as those are what we’re most experienced with, I haven’t used RNBO image much (though audio worked just fine), but it probably doesn’t differ by much from the Raspberry Pi OS one.

5

Ok, will do–thanks!