Hmm the samplerate is the same, the Behringer acts as the main clock. The right lamps light up on the ADAT expander, etc ...
On April 16, 2024 9:28:01 PM GMT+02:00, "Peter P." <peterparker@xxxxxxxxxxxx> wrote:
* nik@xxxxxxxxxxxxxxx <nik@xxxxxxxxxxxxxxx> [2024-04-16 21:00]:Hi,
I have a Behringer UMC1820 that served me well in many multi-channel concerts I played.
Now I need a few more channels, so I borrowed an ADAT expander (a re-purpused MOTU Traveler mkIII Firewire interface).
I tried with two laptops, one Lenovo IdeaPad Flex 5 (11th gen Intel I7) and one Lenovo ThinkPad T14 Gen 3 (12th gen Intel I7).
Other than that, both laptops have the same configuration. Arch Linux (updated today), Pipewire, Wireplumber, all drop-in replacements for pulse, Jack, etc,
down to the same pipewire.conf (I copied that over).
Here's the weirdness:
On the ThinkPad, all ADAT output channels of the Behringer work, I can see the lights blinking and hear the sound.
On the IdeaPad, only ADAT output channels 5-8 work, channels 1-4 are dead.
Can you re-check if you run the same samplerate on the IdeaPad and are
not running into some 96kHz multiplexing issue?
Not that I think if it I remember that I had dead channels just like you
on the same interface when I borrowed it a year ago for a few weeks but
on the analogue outputs I think.
Not much of help I am afraid...
best, P
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