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Wavetable Editing and Creation
Anyone up for discussing tips and tricks for iOS-based editing and creation of wavetables for wavetable synths like Synthmaster 1, Animoog and GR-16 that allow importing for user-created wavetables?
Comments
I remember @kv331audio_bulent saying the next SynthMaster (Two/Three) would have Wavetable editor.
I am interested in what we can do today.
Try ppg WaveGenerator / wavemapper and scythe synth
Re: Scythe Synth: have you found a way to export its wavetables? As far as I have been able to tell, there isn't a way to export them. Perhaps there is some voodoo with iMazing? Or have I overlooked something?
By PPG Wavecreator, do you mean PPG WaveGenerator? Does it export wavetables that can be used in GR-16 and SynthMaster One?
I guess I wasn't clear. I am wondering if other people are interested in discussing general wavetable creation techniques for creating wavetables usable by the various synths I mentioned (and others) that allow wavetable importing. I wasn't looking for a synth recommendation but rather a discussion of wavetable creation techniques, tips and tricks.
Scythe is pretty scuzzy unfortunately.
Nave has the ability to analyse audio and export the wave table - in theory. In reality it crashes the app.
It can be a real hassle getting the wavetables the right size. The last time I tried GR-16, it didn’t work unless it had a Serum formatted wavetable file as it has specific info associated with it. Even a copy of the Serum file wouldn’t work if it’d lost its wavetable info in the process.
I would also add Animoog timbres to your list.
Caustic, Twisted Wave, and NanoStudio 2 (sample accurate) can be used in conjunction with each other to create sample accurate wavetables. I used this a lot to take arbitrary wav forms and pitch shift them for use in Animoog so that they’re sample accurate too.
ScytheSynth has a wavetable IAP which can be used to make and modify some really awesome wavetables however you can’t export them for use in other apps.
Poseidon synth can import wav files and turn them into wavetables which works great.
WaveGenerator can import images from your photo roll and turn them into wavetables however they can only be used between PPG synth apps.
Audacity on desktop/laptop is great for creating sample accurate wav files.
It would great to have a wavetable creation/editing app that could export wavetables to a wide range of iOS synth apps.
Auditor has a nice feature (I think it is in the released version if not, it is in a soon-to-be-released update) that lets you set a fixed selection width which makes making 1024, 2048 or 4096 width selections a snap. So, if you have some wavetables, you can more easily snip appropriate chunks and move them around and be sure that your resulting wavetables are well-behaved.
One of the challenges is generating waveforms whose cycles are 1024 (or a multiple thereof) since neither 44.1 kHz or 48 kHz are multiples of 1024 or 2048. If one already has single-cycle waveforms with those widths, it is pretty straightforward to mash things together in a sample editor (like Twisted Wave or Auditor).
Are there any iOS apps that generate single cycle waveforms of 1024 or 2048?
Does Poseidon have a wavetable export feature that I missed?
I tend to do most of my audio editing with ocenaudio (freeware) on Mac.
General tips for edits:
Think of your waves in terms of the exact number of samples per waveform, rather than in terms of time and pitch. Wavetables are often in chains of 16 or 64 waves, with each being 1024 or 2048 samples long. Always mono! Check example wavetables in your destination format and it should be quite straightforward to reproduce what you need.
If you have a wave that’s perfectly formed but the wrong number of samples long, you can probably change it by non-destructively adjusting the sample rate, then converting the file to your desired destination sample rate (this step might require a calculator).
There’s a free desktop utility called Octachainer (made by an Octatrack user - definitely Mac, possibly PC) that will chain samples together. You can paste waves one by one into a lot of editors, but it gets boring.
There’s plenty of free software on desktop.
On iOS, Auditor should be good for much of this, although I’ve not stress tested it.
I don’t think Poseidon does have an export feature. I’ll have to dig into Auditor some more as I haven’t gotten around to using it much. Great for converting batches of files to a different format which is great.
In terms of getting single cycle waveforms that are the right length, I do some calculations and pitch shift them and iterations of tweaking is tedious but works.
Not that I know of but I'd be interested if they can do more than just string a number of single cycles into a file file with 2048 samples frame length that is Serum-compatible.
Certainly not. The iOS version of Poseidon is nothing like the desktop version, I've not even found a way to create my own sound model by analyzing imported samples like the desktop version does.
In my opinion, what's even more important than just the logic to append wavetables is the tools provided to fine-tune the individual wave frames, including interpolation options, additive synthesis control and a facility to import a sample and make a usable wave table out of it. I don't know the Arturia Pigments and other desktop synths that have a 2048-frame-size wavetable creator inside but Serum is quite powerful in this regard.
Bummer that the editor is not available separately, and investing half the price of an iPad just for a wavetable editor won't appeal to everybody.
I haven’t found anything on iOS yet for wavetable creation. On desktop/laptop I use:
Wave Edit ( https://synthtech.com/waveedit/ )
Blofeld Wavetable Editor (running w/ Winebottler on Mac)
AudioTerm (again, w/Winebottler)
AudioTerm (version 2.27 I believe?) is by far the best one I’ve used feature-wise, but its archaic on purpose being modeled after the Fairlight.
Wave Edit is the most modern and easiest of that group to use.
SM3 will have wavetable + multi-sample editor. Once we release SM2 iOS, the next year we'll release SM3 iOS as well.
Sounds fantastic, really looking forward to it as a wavetable editor is a wonderful tool and SynthMaster is a great synth.
Here’s a quite relevant article:
https://learningmodular.com/the-story-of-the-prophet-vs/
It’s the story of how the Prophet VS came to be, including how they made their own wavetables.
Warning: it’s quite interesting, and of necessity, long, so if you’re busy or young, don’t bother. If you’ve got time over the weekend, it’s a nice read.
Thanks! Chris Meyer is an interesting guy. Big background in sound, synthesis and video.
ButterSynth has some wavetable editing features.
There is a challenge of converting audio to wavetables in that you need to take each individual cycle of your audio convert the cycle to be precisely 1024 bits or 2048 bits or whatever the synth use wide.
If you have PPG WaveMapper, you can record a synth sound amd process it through its analyzer so you can create user wavetables for it and WaveGenerator.
Does it actually identify and convert each one to a proper single-cycle (beginning and ending in zero) or is it like Animoog Z which also creates wavetables from audio but doesn’t guarantee that each slice is well-behaved.
It is a series of single-cycle waveforms! If you open the analyzed wavetable in WaveGenerator, you can edit each waveform's harmonics and shape
Maybe create them on a laptop and move to iPad. There’s definitely a lot more software on Windows and Mac that can do this.
And they are proper single cycles that start and end on zero? Bummer that it is no longer available.
Nothing that I know of.