[sdiy] saw vs ramp, audible?

[Donald Tillman]

On Dec 19, 2024, at 12:04 AM, Mattias Rickardsson <mr at analogue.org> wrote:
>  
>> Phase-correct waveforms are difficult for a sawtooth-core oscillator as the triangle and sine are derived from the sawtooth at a 90 degree phase difference; the triangle peak (90 degrees) is aligned with the sawtooth retrace (0 or 180 degrees).  
> 
> Also the triangle has its overtones in other phases than the square for instance, so there's no way of phase-aligning all the traditional waveforms saw/sqr/tri/sin and get all their overtone phases to match. But the triangle becomes a nice almost-half-circular waveform if you align them!

Mellow waveforms, with 1/n^2 harmonic content, have harmonics that are naturally cosine-alined, while bright waveforms, with 1/n harmonic content, are naturally sine aligned.

See, things get really interesting when you explore this area.

  -- Don
--
Donald Tillman, Palo Alto, California
https://till.com

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