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Quick question about Addictive Synth / Addictive Pro

dtakidtaki
in General App Discussion

I've looked through the manual for Addictive Synth and watched a few videos, but haven't quite found a solid answer: is Addictive Synth/Pro a true additive synth in the sense that every individual partial has its own amplitude envelope? Or is there simply one amplitude envelope for the oscillator, and Morph I/II is the only way to have the partials change over time?

Comments

  • JesJes

    From the Addictive synth manual

    'To change the amplitude of the harmonics making up the spectrum of the oscillators just draw the desired spectrum on the wave display. You can also use standard spectrums like sawtooth by tapping on the filter/wave preset button and select them from the popup list.'

  • dtakidtaki

    Right - that tells me how you can "draw" a waveform, but it doesn't answer my question at all. Or, maybe its non-answer of my question should be taken as an answer in itself (no individual amplitude envelopes). I figured I'd ask here in case anyone actually has the app and can clarify things.

    My Kawai K5000s, for example, is an additive synth with 64 harmonics. Each harmonic has its own ADSR amplitude envelope (well, A/D/D/R rate/level EG really). That's what I'm wondering if the Addictive Pro app can do (or if there are any additive synths on iOS that can do that).

  • LittlewoodgLittlewoodg
    edited November 2016

    The amplitude of each partial in Addictive and Addictive Pro is set in the Wave A and B pages. The graphic on these pages is not a waveform, it's a wave table of 128 sine waves (partials), where the amplitude of each sine wave is set.

    Rather than using an ADSR envelope per partial to shape the harmonic content of the resulting patch, Addictive and Addictive Pro use, (along with other approaches), a morphable pair drawable/preset filters, (the 2 Spectrum pages).

    User accessible amplitude envelopes per partial aren't a defining, or necessary, characteristic of additive synthesis. User access to the absolute amplitude of each partial is the basic requirement of additive synthesis. Many interesting approaches to further shape the resulting harmonic content have appeared since Fourier's formulation, including the Kawai's EGs, and Virsyn's filters.

  • JesJes

    @Littlewoodg Nice

  • [Deleted User][Deleted User]

    @Littlewoodg said:
    The amplitude of each partial in Addictive and Addictive Pro is set in the Wave A and B pages. The graphic on these pages is not a waveform, it's a wave table of 128 sine eaves (partials), where the amplitude of each sine wave is set.

    Rather than using an ADSR envelope per partial to shape the harmonic content of the resulting patch, Addictive and Addictive Pro use, (along with other approaches), a morphable pair drawable/preset filters, (the 2 Spectrum pages).

    User accessible amplitude envelopes per partial aren't a defining, or necessary, characteristic of additive synthesis. User access to the absolute amplitude of each partial is the basic requirement of additive synthesis. Many interesting approaches to further shape the resulting harmonic content have appeared since Fourier's formulation, including the Kawai's EGs, and Virsyn's filters.

    What the clever dude said! :)

  • VirSynVirSyn

    @dtaki if you really want to edit single partials you can have a look at Cube Synth - it has at least Attack/Decay envelopes for each partial. But as Cube has 512 partials and we thought it's to cumbersome to edit them all Cube groups higher partials together using the same envelope. But the first 16 partials have "real" AD envelopes.

  • JesJes

    @VirSyn said:
    @dtaki if you really want to edit single partials you can have a look at Cube Synth - it has at least Attack/Decay envelopes for each partial. But as Cube has 512 partials and we thought it's to cumbersome to edit them all Cube groups higher partials together using the same envelope. But the first 16 partials have "real" AD envelopes.

    Yes I had a look at the manual of Cube Synth today and thought it was closer to what the OP was looking for..

  • crifytospcrifytosp

    Cube synths a wonderful format. Any chance of Cube synth pro? @VirSyn

  • LittlewoodgLittlewoodg
    edited November 2016

    @VirSyn said:
    @dtaki if you really want to edit single partials you can have a look at Cube Synth - it has at least Attack/Decay envelopes for each partial. But as Cube has 512 partials and we thought it's to cumbersome to edit them all Cube groups higher partials together using the same envelope. But the first 16 partials have "real" AD envelopes.

    Thanks for this. (And for all the software) Cube is kickass. Let me know if I got any of that additive synthesis stuff wrong :)

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