title: adrc
media types:
Audio
description: Audio Spectral Dynamic Range Controller.
version: Lavfi10.1.100
creator: libavfilter maintainers
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.
description:
set the transfer expression
type: string
readonly: no
required: no
default: ‘p’
description:
set the attack
type: float
readonly: no
required: no
minimum: 1
maximum: 1000
default: 50
format: double
description:
set the release
type: float
readonly: no
required: no
minimum: 5
maximum: 2000
default: 100
format: double
description:
set channels to filter
type: string
readonly: no
required: no
default: ‘all’
description:
Maximum number of threads
type: integer
readonly: no
required: no
minimum: 0
default: 0
description:
The MLT position value to set on avfilter frames
type: string
readonly: no
required: no
default: frame
values:
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