@audio/transient
Status calibrated
npm1.2.3licenseMIT
Transient-aware phase-locked vocoder (Röbel 2003) — preserves attacks on drums and plucks
Overview
- Install
- Updated
- Family
- stretch, 10 packages under it
- Tags
- time & pitch
Transient-aware phase-locked vocoder (Röbel, 2003). Measures spectral flux between frames; on a sharp onset resets to the original analysis phase instead of propagating it, preserving attack sharpness on drums and plucks. Implies phase locking.
import transient from '@audio/stretch-transient'
transient(data, { factor: 2 })
transient(data, { factor: 1.5, transientThreshold: 2.0 }) // less sensitive
| Param | Default | |
|---|---|---|
factor |
1 |
Time stretch ratio |
frameSize |
2048 |
FFT size (power of 2) |
hopSize |
frameSize/4 |
Hop between frames |
transientThreshold |
1.5 |
Spectral flux threshold (higher = fewer resets) |
Use when: the right default for most music — percussion, mixed sources.
Not for: voice/speech (use @audio/stretch-psola) or extreme stretch (use @audio/stretch-paulstretch).
Part of @audio/stretch.
License
MIT · ॐ