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# ALSA Scarlett Control Panel (`alsa-scarlett-gui`)
`alsa-scarlett-gui` is a Gtk4 GUI for the ALSA controls presented by
the three Linux kernel Focusrite USB drivers:
- Scarlett 1st Gen Driver for ALSA
- Scarlett2 USB Protocol Mixer Driver
- FCP (Focusrite Control Protocol) Driver
Supported interfaces:
- Scarlett 1st Gen 6i6, 8i6, 18i6, 18i8, 18i20
- Scarlett 2nd Gen 6i6, 18i8, 18i20
- Scarlett 3rd Gen Solo, 2i2, 4i4, 8i6, 18i8, 18i20
- Scarlett 4th Gen Solo, 2i2, 4i4, 16i16, 18i16, 18i20
- Clarett 2Pre, 4Pre, 8Pre USB
- Clarett+ 2Pre, 4Pre, 8Pre
- Vocaster One and Vocaster Two
## About
<img src="img/alsa-scarlett-gui.png" align="right">
All Focusrite USB audio interfaces are class compliant meaning that
they work “out of the box” on Linux as audio and MIDI interfaces
(although on Gen 3/4/Vocaster you need to disable MSD mode first for
full functionality). However, except for some of the smallest models,
they have a bunch of proprietary functionality that required a kernel
driver to be written specifically for those devices.
Unfortunately, actually using this functionality used to be quite an
awful experience. The existing applications like `alsamixer` and
`qasmixer` become completely user-hostile with the hundreds of
controls presented for the Gen 3 18i20. Even the smallest Gen 3 4i4
interface at last count had 84 ALSA controls.
Announcing the ALSA Scarlett Control Panel, now supporting all
Scarlett Gen 1, 2, 3, 4, Clarett, and Vocaster USB interfaces!
## Documentation
Refer to [INSTALL.md](docs/INSTALL.md) for prerequisites, how to
build, install, and run.
Refer to [USAGE.md](docs/USAGE.md) for general usage information and
known issues.
Information specific to various models:
- [Scarlett 1st Gen](docs/iface-1st-gen.md)
- [Scarlett 3rd Gen Solo and 2i2](docs/iface-small.md)
- [Scarlett 2nd Gen 6i6+, 3rd Gen 4i4+, Clarett USB, and
Clarett+](docs/iface-large.md)
- [Scarlett Small 4th Gen](docs/iface-4th-gen-small.md)
- [Scarlett Big 4th Gen](docs/iface-4th-gen-big.md)
## Donations
This program is Free Software, developed using my personal resources,
over hundreds of hours.
If you like this software, please consider a donation to say thank
you! Any donation is appreciated.
- https://liberapay.com/gdb
- https://paypal.me/gdbau
## License
Copyright 2022-2025 Geoffrey D. Bennett
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
## Disclaimer Third Parties
Focusrite, Scarlett, Clarett, and Vocaster are trademarks or
registered trademarks of Focusrite Audio Engineering Limited in
England, USA, and/or other countries. Use of these trademarks does not
imply any affiliation or endorsement of this software.
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