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-   -   Pulseaudio Crossover Rack - multi-way crossover design & implementation with linux (https://www.diyaudio.com/forums/pc-based/330273-pulseaudio-crossover-rack-multi-crossover-design-implementation-linux.html)

Tfive 30th August 2019 08:48 PM

Quote:

Originally Posted by phofman (https://www.diyaudio.com/forums/pc-based/330273-pulseaudio-crossover-rack-multi-crossover-design-implementation-linux-post5898853.html#post5898853)
:up: thanks for explanation. Then the USB-audio gadget would work with your setup without any extra work on your side.

Still LOTS of corner issues to iron out for the gadget to become fully usable, though.

Btw. is it possible to use both ethernet and audio gadgets on the same port at the same time? This way we could use it as an audio device and handle configuration of the "smart soundcard w/ xo" via ip simultaneously. Would make for a pretty sweet MiniDSP-Killer (TM) :D:D:D

phofman 30th August 2019 10:09 PM

https://www.kernel.org/doc/Documenta...dget_multi.txt

Raspberry Pi Zero as Multiple USB Gadgets << irq5.io

CharlieLaub 31st August 2019 01:20 PM

Quote:

Originally Posted by Tfive (https://www.diyaudio.com/forums/pc-based/330273-pulseaudio-crossover-rack-multi-crossover-design-implementation-linux-post5901010.html#post5901010)
Btw. is it possible to use both ethernet and audio gadgets on the same port at the same time? This way we could use it as an audio device and handle configuration of the "smart soundcard w/ xo" via ip simultaneously. Would make for a pretty sweet MiniDSP-Killer (TM) :D:D:D

You could do that. Seems like a PITA to set up... but you would then have both an audio device and a way to SSH into the machine, both via a single USB connection. Neat.

But keep in mind that the Pi 4 has both built-in wireless networking AND wired ethernet. Once that has been set up after the initial OS install it should always come up when the network is available. It's a simple matter to SSH in using existing networking.

Hopefully in the next year(s) the audio gadget driver will get async working properly and will be able to support multiple sample rates and bit depths. Then it will be just like a true soundcard.

AllenB 18th September 2019 12:25 PM

When I found my built in sound card only offered analog stereo or HDMI multi-channel options, I found HDAJackRetask. I changed the inputs to outputs, now PAVolumeControl reports analog surround modes which I can use.

Tfive 20th September 2019 12:13 PM

Quote:

Originally Posted by AllenB (https://www.diyaudio.com/forums/pc-based/330273-pulseaudio-crossover-rack-multi-crossover-design-implementation-linux-post5918160.html#post5918160)
When I found my built in sound card only offered analog stereo or HDMI multi-channel options, I found HDAJackRetask. I changed the inputs to outputs, now PAVolumeControl reports analog surround modes which I can use.


This is interesting. Out of curiosity, which distro/desktop environment do you use?

AllenB 20th September 2019 01:49 PM

Deb10.1/Gnome

phofman 20th September 2019 01:52 PM

AllenB: Please can you share your procedure and experience with HDAJackRetask? That is a very useful but quite complicated tool. Thanks!

AllenB 20th September 2019 03:12 PM

3 Attachment(s)
Looking for more channels I looked at IntelHDA, and I noticed ms utilities were doing jack re-task. This worked smoothly enough. I tried using a standard config.

phofman 20th September 2019 04:16 PM

Thanks, interesting. So just retasking the jacks changed the multichannel options for that soundcard in PA? Then after retasking the card must report different number of channels to alsa, interesting.

Tfive 22nd September 2019 08:33 PM

Again, shoutout to Linux Mint / MATE for offering such a cool config utility for pulseaudio. With my Intel HDA all the options were there right from the start! I installed debian 10 with default GNOME quickly to a) check if PaXoverRack works and b) to get a glimpse at the overall experience. Not very good to be honest. But enough of the ranting :)

@AllenB, this looks like a serious setup you got there! You notice there's a zoom slider which might make your life easier?!

PS: Sorry, I just noticed you had it at 90% so you DID find it :D:D:D


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