deemphasis
deemphasis(
y,options?):Float32Array<ArrayBufferLike> | [Float32Array<ArrayBufferLike>,number]
Defined in: packages/pleco-xa/src/effects/index.js:189
De-emphasis filter x[n] = y[n] + coef*x[n-1] — exact inverse of preemphasis() including the default-zi extrapolation correction, so deemphasis(preemphasis(x)) round-trips to x.
Parameters
Section titled “Parameters”Float32Array<ArrayBufferLike>
Pre-emphasized signal
options?
Section titled “options?”any = {}
Same options as preemphasis()
Returns
Section titled “Returns”Float32Array<ArrayBufferLike> | [Float32Array<ArrayBufferLike>, number]
Filtered signal, or [signal, zf]