Core code by Andy Lo A Foe <andy@alsa-project.org>

CDDA plugin uses some routines from dagrab by Marcello Urbani

MP3 plugin based on the mpg123 engine by Michael Hipp

I therefore also ripped some stuff from the x11amp mpg123
input plugin for convenience. Thanks x11amp authors

WAV plugin uses routines from aplay by Jaroslave Kysela

The reverb routines are (C) by Philip Edelbrock.

The FFTscope fft routines, and sockmon plugin are (C) by Richard Boulton.

Ralph Loader enhanced the Monoscope a great deal

