[FFmpeg-user] silencedetect floor

Josh McNeill josh8211 at gmail.com
Mon Sep 24 18:01:37 EEST 2018

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 

Le 2018-09-23 à 17:06, Paul B Mahol a écrit :
> 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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