esdfilt − The Enlightened Sound Daemon

EsounD filter.  Sample esd filter program that implements
halving and doubling, Optionally writing the new data to a
seperate file.

esdfilt [OPTIONS] [FILE]

     "−s", −−server=HOSTNAME set EsounD server "−b", output
file should be 8−bit "−m", output file should be mono "−r"
RATE, set output rate to RATE "−half" halve each sample
"−double" double each sample

     If FILE is specified, the filtered output will be
written there.  Otherwise it will be written back to esound
to change the output to the sound device.

esd(1), esdcat(1), esddsp(1), esdloop(1), esdplay(1),
esdsample(1), esd‐config(1), esdctl(1), esdmon(1), esdrec(1)