qbasic.hlp (Topic list)
SOUND Statement
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Generates a sound through your computer's speaker.
 
SOUND frequency, duration
 
    ■ frequency    The frequency of the sound in hertz; a value in the range
                   37 through 32,767.
    ■ duration     The number of system clock ticks the sound lasts; a value
                   in the range 0 through 65,535. There are 18.2 clock ticks
                   per second.
 
Example:
    FOR i% = 440 TO 1000 STEP 5
    SOUND i%, i% / 1000
    NEXT i%
 
See Also    PLAY