Filter: avfilter.agate

Plugin Information

title: agate
media types: Audio
description: Audio gate.
version: Lavfi9.12.100
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.level_in

description: set input level
type: float
readonly: no
required: no
minimum: 0.015625
maximum: 64
default: 1
format: double

av.mode

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

  • downward
  • upward

av.range

description: set max gain reduction
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0.06125
format: double

av.threshold

description: set threshold
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0.125
format: double

av.ratio

description: set ratio
type: float
readonly: no
required: no
minimum: 1
maximum: 9000
default: 2
format: double

av.attack

description: set attack
type: float
readonly: no
required: no
minimum: 0.01
maximum: 9000
default: 20
format: double

av.release

description: set release
type: float
readonly: no
required: no
minimum: 0.01
maximum: 9000
default: 250
format: double

av.makeup

description: set makeup gain
type: float
readonly: no
required: no
minimum: 1
maximum: 64
default: 1
format: double

av.knee

description: set knee
type: float
readonly: no
required: no
minimum: 1
maximum: 8
default: 2.82843
format: double

av.detection

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

  • peak
  • rms

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

  • average
  • maximum

av.level_sc

description: set sidechain gain
type: float
readonly: no
required: no
minimum: 0.015625
maximum: 64
default: 1
format: double

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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