ffmpeg -flags +low_delay -fflags +nobuffer -max_delay 0 -analyzeduration 0 -max_probe_packets 1 -loglevel panic -i “/media/HDS$SONG” -af aexciter=amount=4:drive=1:freq=7500 -af “treble=g=1” -f mp3 -map_metadata -1 pipe:1 2>/dev/null
some Unix notes
ffmpeg -flags +low_delay -fflags +nobuffer -max_delay 0 -analyzeduration 0 -max_probe_packets 1 -loglevel panic -i “/media/HDS$SONG” -af aexciter=amount=4:drive=1:freq=7500 -af “treble=g=1” -f mp3 -map_metadata -1 pipe:1 2>/dev/null