Re: some help getting started with multi-channel USB audio

Hello John,

John David Duncan wrote:
> Hi,
> 
> I have a 15-year-old computer newly installed with FreeBSD 14.1, plus
> a 2nd gen Focusrite Scarlett 6i6, and a Novation Launchpad Mini. 
> 
> The Scarlett 6i6 is an older interface with 4 A/Ds and 4 D/As, plus 2
> digital pass-through channels.  The Launchpad is just a MIDI
> controller with some lights and some buttons. My intent is to set this
> up without any monitor or keyboard, and then use the buttons on the
> Launchpad to control recording and playback from the various channels
> on the Scarlett.
> 
> Here's where I'm looking for help: what can I do to get independent
> access to the six channels on the interface?  Is there maybe some
> combination of sndio / oss / alsa / jack that will nicely present each
> channel as a device? 

You might want to look into virtual_oss. Its man page also has examples
on how to split multichannel audio to subdevices.

Christos