1 This is a visualization based on on the monoscope output plugin from 2 alsaplayer. 3 4 The monoscope convolution matching code was written by Ralph Loader. 5 6 The monoscope.c and monoscope.h files are under the BSD license (without advertising clause). 7 8 This implementation is taken from alsaplayer version 0.99.54, at 9 http://www.alsaplayer.org/