Hello Arthur,
How about multiple wav files with each Freq/Duration combo, just call the correct one.
Bob
>If only it were that easy!
>
>It is necessary to control duration of the beep, as well as to specify the frequency of the sound, and therefore cannot use WAV files.
>
>...Art
'If the people lead, the leaders will follow'
'War does not determine who is RIGHT, just who is LEFT'