Audio too fast on Presonus AudioBox 1818VLS

[Goran Mekić]

Hello,

I'm having problems with Presonus AudioBox 1818VLS and playback on 11-RC3. This is what my /dev/sndstat looks like:

Installed devices:
pcm0: <USB audio> (play/rec) default
No devices installed from userspace.

If I turn off bitperfect, I get no sound at all, and with that option on, regardless of the vchans setting, I get an audio that is really quiet and ~10x faster, so it sounds like kids singing really fast. This is what dmesg says:

dmesg | grep uaudio
uaudio0: <AudioBox 1818 VSL > on usbus1
uaudio0: Play: 96000 Hz, 18 ch, 32-bit S-LE PCM format, 2x8ms buffer.
uaudio0: Play: 88200 Hz, 18 ch, 32-bit S-LE PCM format, 2x8ms buffer.
uaudio0: Play: 48000 Hz, 18 ch, 32-bit S-LE PCM format, 2x8ms buffer.
uaudio0: Play: 44100 Hz, 18 ch, 32-bit S-LE PCM format, 2x8ms buffer.
uaudio0: Record: 96000 Hz, 18 ch, 32-bit S-LE PCM format, 2x8ms buffer.
uaudio0: Record: 88200 Hz, 18 ch, 32-bit S-LE PCM format, 2x8ms buffer.
uaudio0: Record: 48000 Hz, 18 ch, 32-bit S-LE PCM format, 2x8ms buffer.
uaudio0: Record: 44100 Hz, 18 ch, 32-bit S-LE PCM format, 2x8ms buffer.
uaudio0: MIDI sequencer.
pcm0: <USB audio> on uaudio0
uaudio0: No HID volume keys found.

The card has 18 ins and 18 outs, and sampling rates are correctly recognized. Using mpv, it also recognizes the format being s32le. If I set bitperfect to 0 and no matter what other options for vchans I put, mpv gives me:

[ao/oss] Can't open audio device /dev/dsp: Device not configured

I tried it with vlc, similar results. I also have dual boot on that box and GNU/Linux plays with it really nice, so I know it's USB audio complient. Are there any thoughts what I could try next? Thank you!

Regards,
meka
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