[pd-ot] electric circuits in software

[Hans-Christoph Steiner]

On Apr 27, 2006, at 8:13 AM, Mathieu Bouchard wrote:

> 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
> discerning.

And looking one step before the ear: there are very, very few  
loudspeakers or headphones that can accurately reproduce 15,000 Hz  
and above.  So even if you are generating them in analog or digital,  
they are getting filtered by the speakers long before reaching your  
ears.

.hc

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