Library installs

• sudo apt-get install mpg123
• sudo apt-get install sox

/usr/bin/mpg123 –w /home/barumugam/mari.wav /home/barumugam/mari.mp3

16bit - 8khz -mono audio file conversion

• /usr/bin/sox /home/barumugam/mariout.wav -r 8000 -s -c 1 /home/barumugam/marioutnew.wav
• /usr/bin/sox /home/balaji/Desktop/wateraudios/balance.wav -r 8000 -s -c 1 /home/barumugam/balance1.wav
• /usr/bin/sox in.wav -r 8000 -c 1 -s -2 out.wav