[FFmpeg-user] silencedetect floor
Paul B Mahol
onemda at gmail.com
Mon Sep 24 18:24:41 EEST 2018
On 9/24/18, Josh McNeill <josh8211 at gmail.com> wrote:
> I'm glad to know it's possible. Unfortunately, the documentation doesn't
> give me any clues that have been helpful. I've looked through the
> documentation for silencedetect, silenceremove, noise, and filtergraph
> syntax. I've even tried just searching through all the documentation for
> "amplitude" and "noise" and "silence" and have yet to find anything that
> tells me how to accomplish this. The only thing I've found that says
> anything about specifying a parameter value as a range is under 38.145
> readeia608, which suggests using [value - value], which naturally
> doesn't work for silencedetect's noise parameter. I've also asked this
> same question on the Super User Stack Exchange and did not receive a
> single response. I've exhausted all my options, including looking at
Just set it to some number, like "-40dB" or 0.05.
> Le 2018-09-23 `a 17:06, Paul B Mahol a ecrit :
>> On 9/23/18, Josh McNeill <josh8211 at gmail.com> wrote:
>>> I'm trying to figure out a way to detect silence with FFmpeg but not
>>> absolute/digital silence. Is it possible to set a floor somehow with
>>> silencedetect so that I'm detecting sound above absolute silence but
>>> below some threshold?
>> Yes, it is n/noise parameter, read available documentation.
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