Re: [SoX-users] To normalize volume level in a file

[David F. <da...@da...>]

Fmiser wrote:
>> Safiye Turgut (Garanti Teknoloji) wrote:
> 
>> We want to normalize volume level in a file.  Does the sox
>> support this? So, Are there any function like automatic gain
>> control(AGC)?
>>
>> Our main goal is to increase a file's volume which has low
>> volume not all of them.
> 
> Yes, SoX can.
> 
> Are you wanting to change the gain of the _entire_ file evenly?
> That is, to make a quite file similar to a loud file?
> 
> Or, are you wanting to make changes _within_ a file?  That is,
> turn up the quiet portions but leave the loud parts the same?
> 
> --      Philip

On trick with normalization I figured out after years of frustration
is to normalize two sides of a stereo track requires splitting the
track into two mono files, then doing a remix + compand.

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