title: loudnorm
media types:
Audio
description: EBU R128 loudness normalization
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 integrated loudness target
type: float
readonly: no
required: no
minimum: -70
maximum: -5
default: -24
format: double
description:
set integrated loudness target
type: float
readonly: no
required: no
minimum: -70
maximum: -5
default: -24
format: double
description:
set loudness range target
type: float
readonly: no
required: no
minimum: 1
maximum: 50
default: 7
format: double
description:
set loudness range target
type: float
readonly: no
required: no
minimum: 1
maximum: 50
default: 7
format: double
description:
set maximum true peak
type: float
readonly: no
required: no
minimum: -9
maximum: 0
default: -2
format: double
description:
set maximum true peak
type: float
readonly: no
required: no
minimum: -9
maximum: 0
default: -2
format: double
description:
measured IL of input file
type: float
readonly: no
required: no
minimum: -99
maximum: 0
default: 0
format: double
description:
measured IL of input file
type: float
readonly: no
required: no
minimum: -99
maximum: 0
default: 0
format: double
description:
measured LRA of input file
type: float
readonly: no
required: no
minimum: 0
maximum: 99
default: 0
format: double
description:
measured LRA of input file
type: float
readonly: no
required: no
minimum: 0
maximum: 99
default: 0
format: double
description:
measured true peak of input file
type: float
readonly: no
required: no
minimum: -99
maximum: 99
default: 99
format: double
description:
measured true peak of input file
type: float
readonly: no
required: no
minimum: -99
maximum: 99
default: 99
format: double
description:
measured threshold of input file
type: float
readonly: no
required: no
minimum: -99
maximum: 0
default: -70
format: double
description:
set offset gain
type: float
readonly: no
required: no
minimum: -99
maximum: 99
default: 0
format: double
description:
normalize linearly if possible
type: string
readonly: no
required: no
description:
treat mono input as dual-mono
type: string
readonly: no
required: no
description:
set print format for stats
type: string
readonly: no
required: no
format: integer or keyword
values:
description:
The MLT position value to set on avfilter frames
type: string
readonly: no
required: no
default: frame
values:
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