title: aemphasis
media types:
Audio
description: Audio emphasis.
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 input gain
type: float
readonly: no
required: no
minimum: 0
maximum: 64
default: 1
format: double
description:
set output gain
type: float
readonly: no
required: no
minimum: 0
maximum: 64
default: 1
format: double
description:
set filter mode
type: string
readonly: no
required: no
format: integer or keyword
values:
description:
set filter type
type: string
readonly: no
required: no
format: integer or keyword
values:
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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