Provided by: allegro4-doc_4.4.2-10_all
NAME
voice_sweep_frequency - Starts a frequency sweep for a voice. Allegro game programming library.
SYNOPSIS
#include <allegro.h> void voice_sweep_frequency(int voice, int time, int endfreq);
DESCRIPTION
Starts a frequency sweep (glissando) from the current pitch to the specified ending pitch, lasting for time milliseconds.
SEE ALSO
voice_set_frequency(3alleg4)