title: stereotools
media types:
Audio
description: Apply various stereo tools.
version: Lavfi9.12.100
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 level in
type: float
readonly: no
required: no
minimum: 0.015625
maximum: 64
default: 1
format: double
description:
set level out
type: float
readonly: no
required: no
minimum: 0.015625
maximum: 64
default: 1
format: double
description:
set balance in
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 0
format: double
description:
set balance out
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 0
format: double
description:
enable softclip
type: string
readonly: no
required: no
description:
mute L
type: string
readonly: no
required: no
description:
mute R
type: string
readonly: no
required: no
description:
phase L
type: string
readonly: no
required: no
description:
phase R
type: string
readonly: no
required: no
description:
set stereo mode
type: string
readonly: no
required: no
format: integer or keyword
values:
description:
set side level
type: float
readonly: no
required: no
minimum: 0.015625
maximum: 64
default: 1
format: double
description:
set side balance
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 0
format: double
description:
set middle level
type: float
readonly: no
required: no
minimum: 0.015625
maximum: 64
default: 1
format: double
description:
set middle pan
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 0
format: double
description:
set stereo base
type: float
readonly: no
required: no
minimum: -1
maximum: 1
default: 0
format: double
description:
set delay
type: float
readonly: no
required: no
minimum: -20
maximum: 20
default: 0
format: double
description:
set S/C level
type: float
readonly: no
required: no
minimum: 1
maximum: 100
default: 1
format: double
description:
set stereo phase
type: float
readonly: no
required: no
minimum: 0
maximum: 360
default: 0
format: double
description:
set balance in mode
type: string
readonly: no
required: no
format: integer or keyword
values:
description:
set balance out mode
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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