Aerius42

### Keybase proof

I hereby claim:

  * I am aerius42 on github.
  * I am nguyencharles (https://keybase.io/nguyencharles) on keybase.
  * I have a public key ASAQYtsnVh4VRe8ggSdUCvpwbvm4p_lPh3Xu71SVWzMWUQo

To claim this, I am signing this object:

Aerius42

use warnings;
use Getopt::Std;

getopt('xytGgwsfo',\%opts);

# pcm file = $opts{f}

# default parameters
$default_xscale = 1200;
$default_yscale = 100;