GSPI - Load the 'glockenspiel' test signal.

Description:

GSPI loads the 'glockenspiel' signal. The is 262144 samples long, mono, recorded at 44100 Hz using 16 bit quantization.

The signal, and other similar audio tests signals, can be found on http://andrew.csie.ncyu.edu.tw/html/mpeg4/sound.media.mit.edu/mpeg4/audio/sqam/index.html