[sdiy] saw vs ramp, audible?

[Jonatan Liljedahl]

I tried this some year ago, and it was an audible difference, which
surprised me a lot. Now I don’t remember if the difference was heard in
headphones but not speakers, or the other way around. And, at least my
brain perceives a slight pitch change between saw and ramp!

/Jonatan
http://kymatica.com


sön 8 dec. 2024 kl. 23:00 skrev Chris McDowell via Synth-diy <
synth-diy at synth-diy.org>:

> Hah right, I should specify I mean theoretically! It's clear to me that a
> speaker or room or overlaid waveform could reveal which tooth we were
> dealing with.
>
> Thanks for the responses. I am happy to upend my understanding of
> harmonics whenever necessary, but glad I don't have to today.
>
> this came up because I was thinking about someone's post here or on their
> blog about shifting the phase of harmonics and how that can yield wave
> forms that look very different, but sound the same. I googled "phase shift
> audible waveform" or something like that to try to find the article. maybe
> someone remembers where that is or wrote it themselves :)
>
> Cheers,
> Chris
>
> > On Dec 8, 2024, at 3:41 PM, Tom Wiltshire <tom at electricdruid.net> wrote:
> >
> > +1 What Richie said.
> >
> > You can organise a situation in which the difference will be
> significant, but it involves doing something extra.
> >
> > The raw waveforms on their own? No, you can't tell. This is easy to
> check by building an inverting buffer and then A/B testing between the
> input and output of the buffer.
> >
> >> On 8 Dec 2024, at 21:15, Chris McDowell via Synth-diy <
> synth-diy at synth-diy.org> wrote:
> >>
> >> Falling saw vs a rising ramp, is the difference audible? What is the
> definitive answer? I have believed for years that the difference is not
> audible, that maximum disconinuity followed by minimum discontinuity is
> what a saw or ramp is, and inverted but otherwise identical waveforms sound
> identical. I came across a wealth of traffic online today arguing against
> that. I'm super skeptical. Folks' arguments were passionate but not
> complete in a way that could convince me. What is the real deal here?
> >>
> >> Cheers,
> >> Chris McDowell
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