Date: Wed, 2 Oct 2024 03:39:03 +0300 From: Christos Margiolis <christos@freebsd.org> To: John David Duncan <john.david.duncan@gmail.com> Cc: freebsd-multimedia@freebsd.org Subject: Re: some help getting started with multi-channel USB audio Message-ID: <2lejqhg7t5ypf2ashwlug6d5mztuen5xaedotz4hvyxsvefwqj@jmj25ywand5f> In-Reply-To: <D284DC22-3612-4657-9905-E4A9AE898321@gmail.com> References: <D284DC22-3612-4657-9905-E4A9AE898321@gmail.com>
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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
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