Pulseaudio SPDIF Input, LFE remix
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Route the SPDIF input of the Aureon 5.1 USB Soundcard to its 5.1 output
For my ESP32 Bluetooth to Toslink Project, start this
arecord -f S16_LE -c 2 -r 48000 -D iec958 --disable-channels --disable-format --disable-softvol --disable-resample -B 100000 -t raw | \ aplay -f S16_LE -c 2 -r 44100 -D default --disable-channels --disable-format --disable-softvol --disable-resample -B 100000 -t raw
Bit strange: BT A2DP sends 44100 samples/s but iec958 seems to be locked to 48000, so fix speed during output or voices are a bit too high
For a good sound, the LFE needs to do some work for the small satelites
/etc/pulse/daemon.conf
enable-lfe-remixing = yes lfe-crossover-freq = 100
To enable changes
systemctl --user restart pulseaudio.service