title: aecho
media types:
Audio
description: Add echoing to the audio.
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 signal input gain
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0.6
description:
set signal output gain
type: float
readonly: no
required: no
minimum: 0
maximum: 1
default: 0.3
description:
set list of signal delays
type: string
readonly: no
required: no
default: ‘1000’
description:
set list of signal decays
type: string
readonly: no
required: no
default: ‘0.5’
description:
The MLT position value to set on avfilter frames
type: string
readonly: no
required: no
default: frame
values:
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