Re: [AH] Fixed Filter Bank-Why?

From Matthew Davidson
Sent Thu, Jun 5th 2008, 14:01


Sent fr

On Jun 5, 2008, at 7:10 AM, Florian Anwander  
<redacted@example.com> wrote:

> The main differences are usually the frequencies of the filters:  
> while the filter bands of a vocoder are optimized for reproduction  
> of the formants of human voice, while the filter bands of a filter  
> bank usually are distributed linear over the audible frequency range

The doepfer vocoder and fixed filter freqs match. This is handy as  
I'll play a recording of an instrument into the analysis, watch the  
LEDs light up and match this resonance on the fixed filter bank.