[Bug 268136] [snd_uaudio] Distorted audio from MOTU M4 USB interface

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 14 Dec 2022 17:15:47 UTC

--- Comment #21 from Florian Walpen <dev@submerge.ch> ---
(In reply to mburetorp from comment #20)

Good to know - that means more options for a workaround. You can probably use
any sound daemon, as long as it continuously opens a recording channel: sndiod,
pulseaudio, don't know the current state of pipewire. virtual_oss has the
additional benefit that it lets you use the secondary stereo outputs.

As for a potential fix on the Hardware / USB side, HPS is the expert. The only
idea I have is this: If the device stores permanent settings on the device
(some MOTUs do), you could experiment with different settings in the
proprietary driver on Windows / Mac. Clock settings would be a candidate.

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