[pd-ot] electric circuits in software

Mathieu Bouchard matju at artengine.ca
Thu Apr 27 08:13:17 CEST 2006

On Thu, 27 Apr 2006, Chris McCormick wrote:

> representation of two waveforms at Nyquist; if you have a squarewave and
> a sawtooth wave, both sampled at 44100 and playing at a frequency of
> 22050, these waves will both be represented by two samples each,
> correct? So when they are sent back into the analogue domain, won't
> these two waveforms look identical? Wouldn't they look like exactly the
> same sound? On analogue gear, wouldn't it be the case that the exact
> shape of the waveforms would be more accurately represented (e.g. a
> sawtooth and a squarewave at 22050 would look like such)?

yeah, it would be more accurate, but are ears capable of hearing the
difference? If the resonance of each sensor of the ear is linear, then 
each sensor can only react to one frequency band, and so if the smallest 
sensor's frequency is about 20000 Hz, then the ear is incapable of 

 _ _ __ ___ _____ ________ _____________ _____________________ ...
| Mathieu Bouchard - tél:+1.514.383.3801 - http://artengine.ca/matju
| Freelance Digital Arts Engineer, Montréal QC Canada

More information about the PD-ot mailing list