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jj1bdx/airspy-fmradion-blackhole.sh

Last active October 13, 2023 08:00
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sox examples for macOS coreaudio and BlackHole
Raw
airspy-fmradion-blackhole.sh
# conservative level setting
airspy-fmradion -E100 -t airspyhf -c freq=89700000 -F - | \
sox -t raw -e floating-point -b32 -r 48000 -c 2 -q - -t coreaudio "BlackHo" gain -24
# a bit more louder
airspy-fmradion -E100 -t airspyhf -c freq=89700000 -F - | \
sox -t raw -e floating-point -b32 -r 48000 -c 2 -q - -t coreaudio "BlackHo" gain -18
# DO NOT SET TO `gain 0` or as is - level too loud for QuickTime Player recorder
Raw
sox-macos-coreaudio.sh
#!/bin/sh
# equivalent to `play`
sox -t raw -esigned-integer -b16 -r 48000 -c 2 -q - -t coreaudio "default"
play --buffer=1024 -t raw -esigned-integer -b16 -r 48000 -c 2 -q -
# check macOS devices
sox -V6 -n -t coreaudio nonexistent
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