INT 62 u - FGDRIVER v3.03 - "FG_HUSH" - STOP ASYNCHRONOUS SOUND IMMEDIATELY
        AX = 0048h
Notes:  For FGDRIVER v1.10, this function was "FG_GETIMAGE" (see AX=0038h);
          "FG_HUSH" was AX=008Eh
        This function immediately stops any sounds started with "FG_MUSICB",
          "FG_SOUNDS", or "FG_VOICES"; it is ignored if no asynchronous sound
          is playing
SeeAlso: AX=0049h,AX=006Bh,AX=009Eh,AX=00ABh

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