Filter: avfilter.afwtdn

Plugin Information

title: afwtdn
media types: Audio
description: Denoise audio stream using Wavelets.
version: Lavfi10.1.100
creator: libavfilter maintainers

Notes

Many parameters support animated values (keyframes) but only the numeric ones. Many numeric properties have type string because they accept an expression (see FFmpeg documentation) even though they evaluate to a numeric value.

Parameters

av.sigma

description: set noise sigma
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0
format: double

av.levels

description: set number of wavelet levels
type: integer
readonly: no
required: no
minimum: 1
maximum: 12
default: 10

av.wavet

description: set wavelet type
type: string
readonly: no
required: no
format: integer or keyword
values:

  • sym2
  • sym4
  • rbior68
  • deb10
  • sym10
  • coif5
  • bl3

av.percent

description: set percent of full denoising
type: float
readonly: no
required: no
minimum: 0
maximum: 100
default: 85
format: double

av.profile

description: profile noise
type: string
readonly: no
required: no

av.adaptive

description: adaptive profiling of noise
type: string
readonly: no
required: no

av.samples

description: set frame size in number of samples
type: integer
readonly: no
required: no
minimum: 512
maximum: 65536
default: 8192

av.softness

description: set thresholding softness
type: float
readonly: no
required: no
minimum: 0
maximum: 10
default: 1
format: double

av.threads

description: Maximum number of threads
type: integer
readonly: no
required: no
minimum: 0
default: 0

position

description: The MLT position value to set on avfilter frames
type: string
readonly: no
required: no
default: frame
values:

  • frame
  • filter
  • source
  • producer

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