DTMFplayer

Documentation

Overview

pipe command for converting characters into DTMF tone PCM data. example usage: pipe tones onto aplay; ./DTMFplayer[SYSV64].elf <<< "0123456789ABCD#*" | aplay -fs16 (DTMFplayer has the same default rate as aplay, but has 16bit precision not aplay's 8bit default.) or specifiy sample rate; ./DTMFplayer\[SYSV64\].elf -rate=16000 <<< "0123456789ABCD#*" | aplay -fs16 -r 16000