Alright. So I think I'd like to try and write a port for LMMS. What are the
steps to this?
I know C# and C++ really isn't that much different.
I've never worked on LMMS code.
On Fri, Aug 22, 2014 at 7:27 AM, Ian Sannar <ian.san...@gmail.com> wrote:
> The Mouth variable controls the nasal-ity or whatever. Values around 8
> sound like a Zyn growl, Values around 12 sound like skrillex, Values around
> 16 sound like a generic Yoiee.
> I think I used 10 on that demo but then EQ'd it.
>
>
> On Fri, Aug 22, 2014 at 7:25 AM, Nikko Rocksalot <
> nikko.rocksa...@gmail.com> wrote:
>
>> I would totally dig this. Does it sounds less nasally pitched down?
>> On Aug 22, 2014 8:23 AM, "Ian Sannar" <ian.san...@gmail.com> wrote:
>>
>>> That code is actually used in a project I made. It was called Growl_2. I
>>> have a demo of what it sounds like with mouth at about 12 or so. Using that
>>> kind of FM.
>>> This code produces very wet or vocal growls, and is far simpler to use
>>> than Zyn. Much better for the beginner. Plus, the FM mod wave produced by
>>> this took me days of experimentation with waveshaping the chirp to get
>>> something similar sounding, and even then this code still produced a
>>> cleaner sound.
>>>
>>> https://soundcloud.com/cubician/growl2-test
>>> I can include a copy of the very simple VSTi for comparing purposes.
>>> I've made this, It works, it's extremely simple and sounds sick.
>>> I'm just wanting to make a port to LMMS.
>>>
>>>
>>> On Fri, Aug 22, 2014 at 6:31 AM, Tres Finocchiaro <
>>> tres.finocchi...@gmail.com> wrote:
>>>
>>>> > What is the purpose of the wavetable generator?
>>>>
>>>> I'm curious too as to the limitations of our existing synths for growls
>>>> and whether or not we can leverage/enhance what we already have rather than
>>>> adding a new one.
>>>>
>>>> - tres.finocchi...@gmail.com
>>>>
>>>>
>>>> On Fri, Aug 22, 2014 at 8:28 AM, Vesa <dii....@nbl.fi> wrote:
>>>>
>>>>> On 08/22/2014 09:17 AM, Ian Sannar wrote:
>>>>> > I have this idea for a Dubstep Growl Synth.
>>>>> > I've made the basic wavetable generator in C#.
>>>>> > I moved it over to ruby and made it a VSTi in FlowStone.
>>>>>
>>>>> What is the purpose of the wavetable generator? We already have a
>>>>> wavetable generator which generates mipmaps for bandlimited waveforms.
>>>>> Although we don't generate them live anymore, and instead provide the
>>>>> wavetables as pre-generated binary files.
>>>>>
>>>>> > It's a basic FM synth. Two waveforms. One waveform is the basic
>>>>> > multi-osc, like from TripleOscillator. The second osc is a wavetable.
>>>>> > Osc 2 is a frequency modulation oscillator, and oscillates Osc 1.
>>>>>
>>>>> Seems quite specific and limited for a whole synth... But if you want
>>>>> to
>>>>> code it, go right ahead. It's pretty easy to write synths for LMMS.
>>>>>
>>>>> > Osc 2 is generated dynamically. A knob controls the wavetable
>>>>> position.
>>>>> >
>>>>> > This psuedo-code generates Osc 2.
>>>>> >
>>>>> > float[] GenerateOsc2(int wavetableQuality, int sampleRate, float
>>>>> mouth)
>>>>> > {
>>>>> > step = 1.0 / sampleRate;
>>>>> > wavetable = new float[wavetableQuality];
>>>>> > for (int i = 0; i < 1; i += step)
>>>>> > {
>>>>> > position = 1 - i;
>>>>> > ampEnv = (float)(1 / Math.Pow(position, 2));
>>>>> > wavetable[i * SampleRate] = -(float)Math.Sin((position *
>>>>> > Math.PI * (2 * mouth))) / ampEnv;
>>>>> > }
>>>>> > return wavetable;
>>>>> > }
>>>>>
>>>>> If this is only called once when the synth is initialized, then it's
>>>>> probably fine. Otherwise there will be problems...
>>>>>
>>>>> > The FM Modulation is your average Frequency Out = Frequency In + (Mod
>>>>> > Osc * FM Gain) function.
>>>>>
>>>>> Not a good idea. While writing Monstro, I learned that you won't get a
>>>>> "proper" FM sound (or what you probably would recognize as "FM sound")
>>>>> by doing actual FM.
>>>>>
>>>>> Doing actual FM will cause pitch drift, which makes the whole synth
>>>>> sound out of tune. What you want to do is use phase modulation to
>>>>> approximate FM, this gives the recognizable FM sound and keeps the
>>>>> pitch
>>>>> constant.
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------------
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>>>>> https://lists.sourceforge.net/lists/listinfo/lmms-devel
>>>>>
>>>>
>>>>
>>>>
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>>>>
>>>
>>>
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>>>
>
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