title: vad
media types:
Audio
description: Process audio using a SoX effect.
version: 1
creator: Dan Dennedy
copyright: Meltytech, LLC
license: LGPL
URL: http://sox.sourceforge.net/
title: Options
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)
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