Vocoder Design questions

[Paul Perry]

At 02:03 PM 28/04/98 -0700, Scott Bernardi  wrote:

>Is there a fault in my thinking about using higher Q two pole filters
>rather than low Q higher order filters?

.....here is a trap for young players:
think about thee phase relationships at the 'edges' of the bands.
the question of what order filters to use for an efficient (male voice)
vocoder was treated in the Journal of the Audio Society of America
20 years or so ago.. sorry exact ref not to hand, but I remember
the filters were NOT identical

paul perry melbourne australia