At 08:53 PM 5/17/2004, M. Adam Davis wrote:
>I'm looking at adding two or more audio streams (for the sake of
>discussion let's say they are 8kHz, 8 bit standard voice grade).
>
>Further, I'd like to avoid 16 bit calculations if possible.

This isn't what you want, but if you limited it to 2 channels of 8 bit
data, you could do the classic

movfw   inputA          ;add inputs A&B, result in inputB
addwf   inputB,F        ;9 bit sum, inc C
rrf     inputB,F        ;/2

This, of course, is limited to 2 channels.

dwayne

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Dwayne Reid   <dwayner@planet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
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