Category: <b>sound/speech</b>
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<pre><b>INT 18 - Gravis Ultra Sound YEA_GUS.EXE - SET FREQUENCY FOR VOICE</b>

	AX = 6903h
	BX = voice number (00h-1Fh)
	CX = frequency in Hz (0-44100)
Return: nothing
SeeAlso: AX=6902h,AX=6904h
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