[sdiy] Polymoog resonator question

rburnett at richieburnett.co.uk rburnett at richieburnett.co.uk
Mon Oct 15 15:32:32 CEST 2018

Thanks for the suggestions re formant frequencies.  Sadly, this isn't 
likely to be something I'll get chance to implement myself in the 
short-term, but the information would surely be useful to others.  It 
just seemed to me that tabulated formant data was the final missing 
piece in the jigsaw once you have your filter bank that can dial in 
whatever formants you want to impart to the sound.  The formant filter 
implementation could be either an analogue filter bank or some digital 
signal processing.  To my mind the latter method sounds well suited to 
quickly switching the formant frequencies and bandwidths from that of 
one instrument to another, or morphing, or mimicking vowels, or 


On 2018-10-14 21:14, Ian Fritz wrote:
> Richie --
> The most recent studies I am aware of are the ones by Backus and by
> Mertons. Earlier work is reproduced in Olsen "Music, Physics and
> Engineering", which is the only one I have.
> Ian
> On 10/14/2018 6:51 AM, Richie Burnett wrote:
>> Out of interest does anyone know of any published tables of resonances 
>> (formants) for common acoustic instruments?
>> I've seen tables listing something like the frequencies of the first 4 
>> formants for the male and female vowel sounds in speech, but have 
>> never seen the equivalent for things like a guitar's body resonances.
>> -Richie,
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