I've seen it discussed before, but (I think) I have a new twist on the
idea. So that there is no ambiguity on what I'm proposing, I want to
be able to write a program with audio tracks and envelope tracks.
Arbitrary envelope tracks should be routeable to control channels to
adjust attributes of various plugins. An example would be delay time
on a reverb plugin.
Two ways for control channels:
1)
Double the "samples" in the control channel as the audio channel. Each
sample pair has a Value and a Delta Value describing the rate of
change of that element.
2)
The control buffer for each audio segment is filled with a string of structs:
struct ControlSegment {
double len; // milliseconds that this segment lasts
double value; // The beginning value of this segment
double delta; // The rate of change for this section
}
So a 1hz sawtooth ranging from -1 to 1 would look like the following:
{500, -1, 4}, {500, 1, -4}, (repeat the length of this block)
I must admit my ignorance in that I have never written a piece of
software for speed, or even audio. My programming skills are (I think)
pretty mediocre because most things I want I can do with shell
scripts.
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