Filter: vad

插件信息

title: vad
media types: 音频
description: 使用 SoX 效果器处理音频。
version: 1
creator: Dan Dennedy
copyright: Meltytech, LLC
license: LGPL
URL: http://sox.sourceforge.net/ (opens in a new tab)

已知缺陷

• 某些效果器仅支持立体声，但 MLT 会分别处理每个声道（channel）。
• 某些效果器存在时域副作用，无法正常工作。

参数

effect

title: 选项
type: string
readonly: no
required: no
format: [options] -t trigger-level (7) -T trigger-time-constant (0.25 s) -s search-time (1 s) -g allowed-gap (0.25 s) -p pre-trigger-time (0 s) Advanced options: -b noise-est-boot-time (0.35 s) -N noise-est-time-constant-up (0.1 s) -n noise-est-time-constant-down (0.01 s) -r noise-reduction-amount (1.35) -f measurement-frequency (20 Hz) -m measurement-duration (0.1 s) -M measurement-time-constant (0.4 s) -h high-pass-filter (50 Hz) -l low-pass-filter (6000 Hz) -H high-pass-lifter (150 Hz) -L low-pass-lifter (2000 Hz)