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Ubuntu 16.04, USB turntable (yeah, old guy with 300+ vinyl LPs) and the S/PDIF source appears as an input in the sound mixer, even shows the audio levels dancing around as the album plays, and no, its not muted, but I cant seem to coax any sound out of the output. I can get audio out of other stuff (Pithos and youtube etc) but cant seem to get the audio from the turntable.

I have reloaded alsa and checked the mixer, but can't seem to determine what's wrong.

Any advice would be appreciated.

alabamatoy
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  • If the turntable is connected through USB, what has S/PDIF to do with it? Anyway, if your hardware does not already have a connection between the input and the output (and it sounds like you have two entirely separate devices), then you have to record+playback in software (see this old question). – CL. Apr 18 '21 at 15:36
  • An S/PDIF device seems to appear and disappear associated with the USB connection. So I had assumed that was the turntable USB. – alabamatoy Apr 18 '21 at 19:16
  • LSUSB identifies it as "Bus 001 Device 002: ID 08bb:29c0 Texas Instruments PCM2900C Audio CODEC" and pactl identifies it as "Bus 001 Device 002: ID 08bb:29c0 Texas Instruments PCM2900C Audio CODEC" – alabamatoy Apr 18 '21 at 19:20

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