Add and overlap timestretch algorithm
The overlap and add is the simplest, cheaper (in terms of computation) and less quality timestretch algorithm. It changes the length of a buffer without changing it's pitch.
This is part of dsp-kit
- Source:
Examples
var ola = require('dsp-ola')
const stretch = ola.overlapAdd({ size: 1024 })
const halfSize = stretch(0.5, audioBuffer)var dsp = require('dsp-kit')- Source:
Examples
var ola = require('dsp-ola')
const stretch = ola.overlapAdd({ size: 1024 })
const halfSize = stretch(0.5, audioBuffer)var dsp = require('dsp-kit')Methods
(static) overlapAdd(options) → {function}
Create a timestretch function using an overlap and add algorithm
Parameters:
| Name | Type | Description |
|---|---|---|
options |
Object |
- Source:
Returns:
the timestretch function
- Type
- function
Example
const stretch = ola.overlapAdd()
stretch(0.5, audio) // => a new audio buffer half of the length(static) overlapAdd(options) → {function}
Create a timestretch function using an overlap and add algorithm
Parameters:
| Name | Type | Description |
|---|---|---|
options |
Object |
- Source:
Returns:
the timestretch function
- Type
- function
Example
const stretch = ola.overlapAdd()
stretch(0.5, audio) // => a new audio buffer half of the length