padsp gpsk31

#also look into minimodem for shell use
#transmit (110 is the baud rate - higher faster but less accurate)
echo "hello World"|minimodem --tx --ascii 110

#recieve
minimodem --rx --ascii 110


##Save Base64 to File at high rate##
#encode to base64 and convert to audio
base64 img.jpg|minimodem --tx 1200 -f img.wav
#convert to mp3 for size
ffmpeg -i img.wav img.mp3

##Convert back, decode, and display original image
ffmpeg -i img.mp3 img_output.wav
minimodem --rx 1200 -f img_output.wav|base64 -d >img_output.png
display img_output.png