1voice_sweep_frequency(3)        Allegro manual        voice_sweep_frequency(3)
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NAME

6       voice_sweep_frequency  -  Starts a frequency sweep for a voice. Allegro
7       game programming library.
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SYNOPSIS

10       #include <allegro.h>
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13       void voice_sweep_frequency(int voice, int time, int endfreq);
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DESCRIPTION

16       Starts a frequency sweep (glissando) from  the  current  pitch  to  the
17       specified ending pitch, lasting for time milliseconds.
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SEE ALSO

21       voice_set_frequency(3)
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25Allegro                          version 4.2.2        voice_sweep_frequency(3)