title: acontrast
media types:
Audio
description: Simple audio dynamic range compression/expansion filter.
version: Lavfi10.4.100
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 contrast
type: float
readonly: no
required: no
minimum: 0
maximum: 100
default: 33
description:
The MLT position value to set on avfilter frames
type: string
readonly: no
required: no
default: frame
values:
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