I use this to listen to stereo from KALX using an RTL-SDR.
- On debian (raspberry pi with ALSA):
rtl_fm -M wbfm -f 90.7M -r 64k - |aplay -r 32000 -f S16_LE -t raw -c 2
- On macos (using Sox via homebrew):
rtl_fm -M wbfm -f 90.7M -r 64k - | play -t raw -r 32k -es -b 16 -c 2 -V1 -