title: flanger
media types:
Audio
description: Apply a flanging effect to the audio.
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:
base delay in milliseconds
type: float
readonly: no
required: no
minimum: 0
maximum: 30
default: 0
format: double
description:
added swept delay in milliseconds
type: float
readonly: no
required: no
minimum: 0
maximum: 10
default: 2
format: double
description:
percentage regeneration (delayed signal feedback)
type: float
readonly: no
required: no
minimum: -95
maximum: 95
default: 0
format: double
description:
percentage of delayed signal mixed with original
type: float
readonly: no
required: no
minimum: 0
maximum: 100
default: 71
format: double
description:
sweeps per second (Hz)
type: float
readonly: no
required: no
minimum: 0.1
maximum: 10
default: 0.5
format: double
description:
swept wave shape
type: string
readonly: no
required: no
format: integer or keyword
values:
description:
swept wave percentage phase-shift for multi-channel
type: float
readonly: no
required: no
minimum: 0
maximum: 100
default: 25
format: double
description:
delay-line interpolation
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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