Frank Sheeran,
>From my reading of wikipedias page on phase distortion synthesis, my method
is definitely related. The main differences are that I use two modulators
(master oscillators), and a cos^2 window instead of a triangular wave form.
I wouldn't be at all surprised if Casio CZ synthesis was
>From my perhaps less-than-perfect reading of this method, it sounds much
like the Casio CZ synthesizer's "resonance" waveforms.
If you're among the select few who's actually downloaded the alpha of my
functional synthesis patching language, Moselle, you will find a module
called Cazanova that doe
Re. my hard sync implementation.
I have fixed two serious bugs and I also removed all external dependencies.
The download link is:
https://www.dropbox.com/s/f15usnkv6f19iq9/hardsync2014.tar.bz2
All the hard sync logic is contained in the main function. My hard sync
uses two relatively independen
On Mar 21, 2014, at 5:26 AM, Emanuel Landeholm
wrote:
> Also, David Lowenfels, would you like to share your pd implementation?
Sure. I was able to dust it off and get it running, but there are some external
dependencies which I need to remove in order to make it portable. It will take
me a few
blogspot.it/2008/12/bloo_6897.html and look for additonal
> > interpretations of in in the thread itself.
> >
> > Hope to have helped
> >
> > Marco
> >
> >> -Messaggio originale-
> >> Da: music-dsp-boun...@music.columbia.edu [mailto:music-dsp-
gt;> Inviato: martedì 25 febbraio 2014 15:54
>> A: music-dsp@music.columbia.edu
>> Oggetto: [music-dsp] Best way to do sine hard sync?
>>
>> Hi,
>>
>> I would like to implement a hard-synced sine oscillator in my synth and I
> am
>> wondering which is the best w
On 2/27/14 6:33 PM, Theo Verelst wrote:
Frequency modulation, which is what happens when the "to be synced
with" signal changes from one frequency to another is theoretically
not limited in bandwidth,
the issue is that, however you try to model it, the result of a
hard-sync oscillator is stil
Thinking a bit about the theoretical generalities involved in the
problem, it might be a good idea to imagine a few of the main "rules" in
the sampling domain, with the problem of limited bandwidth.
To know the exact phase of a sine wave in the sample domain it is at
least theoretically poss
On 26/02/2014, Risto Holopainen wrote:
> Now, for my part, I find soft sync much more useful. I don't know what
> attempts there have been to do soft sync in digital oscillators, if anyone
> knows I'd be interested.
Nobody agrees on whether soft sync is "knock the waveform into
reverse" (the Ales
On 26/02/2014, robert bristow-johnson wrote:
> the simplest thing, if you want the slave perfectly locked to the
> master, is to derive both master and slave phase from the very same
> phase accumulator. there might be scaling and wrap around, but that
> should be easy.
I think that's how most V
I thought about that, but it's still wrong for every case but the
master and slave having a 1:1 frequency ratio. Hence the need to
multiply by the m:s ratio as well. (And of course, the slave should be
bandlimited according to its frequency; that pretty much goes without
saying. Which makes it all
robert bristow-johnson:
for a slave doing a sine, i wonder what you would expect to hear as
the master/slave frequency ratio changes. while i have heard sync
saws and sync squares, i don't think i ever heard a sync sine and it
would seem to me to go from no harmonics to lotsa harmonics prett
On 2/26/14 10:50 AM, Tobias Münzer wrote:
an easy fix to avoid this kind of phase jitter is to add the
fractional part of the master oscillator after the zero crossing to
the slave.
Basically: Do not reset the slave to zero, but to the fractional rest
of the master.
the simplest thing, if
Yes,
an easy fix to avoid this kind of phase jitter is to add the fractional
part of the master oscillator after the zero crossing to the slave.
Basically: Do not reset the slave to zero, but to the fractional rest of
the master.
There is still a lot of aliasing if you don't band limit the tr
"bandlimit the slave's phase" -> "bandlimit the slave's output". oops.
and I do know how to spell interpolation, honest.
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On 26/02/2014, Risto Holopainen wrote:
> When it comes to programming hard sync, I would use oversampling. I'm not
> saying that you should, I'm just lazy enough to do it the easy way.
You need to oversample a *lot* to chase away aliasing, though. The
Alesis Fusion - and its descendant, the M-Aud
Here's some examples made with a eurorack modular. The master oscillator is the
tiptop Z3000 and the slave is an intellijel rubicon. The sine output of the
slave oscillator is always in the right channel and the modulating output of
the master oscillator is in the left channel throughout.
1) a s
I have an almost embarrassing question on this subject. Having lead far
too sheltered a life, I have never ~knowingly~ heard analog hard sync,
only this or that digital emulation; partly as I have never owned an
analog synth. So - is there an example file anywhere with the sampled
(with suitabl
Hi thanks a lot for your answers,
25/02/2014 20:48, Ross Bencina wrote:
The approach that I am familiar with is the "corrective grains"
approach (AKA BLIT/BLEP/BLAMP etc) where you basically run a
granulator that generates grains that cancel the aliasing caused by
the phase discontinuity. The
On 2/25/14 2:48 PM, Ross Bencina wrote:
On 26/02/2014 2:25 AM, robert bristow-johnson wrote:
are you trying to do multiple cycles of the sine and then have a
discontinuity as it snaps back in sync with the side-chain waveform? if
so, that doesn't sound very "bandlimited" to me.
As I understan
On 26/02/2014 2:25 AM, robert bristow-johnson wrote:
are you trying to do multiple cycles of the sine and then have a
discontinuity as it snaps back in sync with the side-chain waveform? if
so, that doesn't sound very "bandlimited" to me.
As I understand it, the question is now to make such sn
On 2/25/14 9:53 AM, Tobias Münzer wrote:
I would like to implement a hard-synced sine oscillator in my synth
and I am wondering which is the best way to do so.
I read the paper 'Generation of bandlimited sync transitions for sine
waveforms' by Vadim Zavalishin which compares several approaches.
Hi,
I would like to implement a hard-synced sine oscillator in my synth and
I am wondering which is the best way to do so.
I read the paper 'Generation of bandlimited sync transitions for sine
waveforms' by Vadim Zavalishin which compares several approaches.
Are there any better ways then the '
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