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+--- Thread: [IDEA] Routing without CamillaDSP (/showthread.php?tid=5663)
Routing without CamillaDSP - 0815Genie - 06-28-2023
Hi there,
first of all, thanks to all of you who develop in your spare time - you made my day!
From time to time I help out at gatherings with my digital Allen&Heath QU16. Remote control by WIFI is a basic functionality that enables me to place the desk anywhere backstage. The only problem is that audio playback was fixed to a cable. That changed now! moOde made it! Now I want to playback remotely with highest quality as I plugged the desk via USB to the raspberry.
Now I have 22 playback channels of which the stereo channels are 16/17 (18/19 and 20/21). So guess, as the playback worked out of the box I wanted to play back on the stereo channels. CamillaDSP configured with this tutorial moOde + CamillaDSP + multichannel output
It eventually works. Only pitty, one core of the CPU permanently works with 80% load (Raspberry Pi 3b with 32 bit OS). Nevertheless playback seems stable so far - critical for performances (thats why bluetooth is no option for me)!
New raspberry has only a small performance gain I assume.
As I really don't need CamillaDSP to process 16 empty channels (Optimization in CamillaDSP would do the job already) I thought if there was an other option to specify alsa what channels to use.
Any ideas? Thanks in advance.
RE: Routing without CamillaDSP - bitlab - 06-28-2023
See in article https://bootlin.com/blog/audio-multi-channel-routing-and-mixing-using-alsalib/ the part about audio outputs.
RE: Routing without CamillaDSP - 0815Genie - 06-28-2023
(06-28-2023, 07:34 PM)bitlab Wrote: See in article https://bootlin.com/blog/audio-multi-channel-routing-and-mixing-using-alsalib/ the part about audio outputs.
Handy! Thanks for the quick response. That should do the job. I'll try for sure!
RE: Routing without CamillaDSP - Tim Curtis - 06-28-2023
Regarding "New raspberry has only a small performance gain I assume."
3B+ or 4B with 64b will be a significant improvement over 3B 32b