[AudioI] Jack2 with ALSA and AudioInjector Octo

[cx b]

 I have been trying everything I can find, but I keep getting errors that
Jackd can't initialize through ALSA. I even found a few other people who
had the same troubles in the mailing list archive for this forum, but their
questions were unanswered. I'm not sure if there is some way to connect
Jackd directly to the AudioInjector - but trying to connect it via ALSA
does seem to create some problems.

When I run "aplay -l", I can see AudioInjector is listed as Card 2:
card 2: audioinjectoroc [audioinjector-octo-soundcard], device 0:
AudioInject-HIFI cs42448-0 [AudioInject-HIFI cs42448-0]
  Subdevices: 1/1
  Subdevice #0: subdevice #0

My thinking is that what I'm supposed to do is run this line:
jackd -d alsa -r 44100 -P hw:2

But this causes the Pi to freeze.  I think there's a lack of information on
how to do this without a GUI, specifically.  Also, it is unclear to me how
I might modify the .asoundrc file, since I set it up according to the
Audio-Injector instructions.

If anyone has any specific suggestions, I would definitely appreciate it!


On Fri, Sep 22, 2023 at 3:25 PM cx b <clistburnham at gmail.com> wrote:

> Hi all -
> I have installed my Audio Injector Octo, on a Raspberry Pi 4, running the
> Lite OS, exactly as laid out here:
> https://github.com/Audio-Injector/Octo
>
> The audio software I'm using requires Jack2.
>
> "aplay -l" and the alsamixer both confirm I have the Audio Injector
> available as a sound card.
>
> But I am unsure how to connect Jack to either the Audio Injector or ALSA..
>
> Does anyone have any experience with this?
>
> Thanks.
>
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