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Audio Normalizing - VideoHelp Forum
https://forum.videohelp.com/threads/339307-Audio-Normalizing#:~:text=Avisynth%20has%20a%20Normalize%20%28%29%20function%20I%20use,so%20that%20the%20loudest%20portion%20is%20at%200db.
Normalize - Avisynth wiki
http://avisynth.nl/index.php/Normalize
Normalize(clip clip [, float volume , bool show] ) 1. clip clip = 1.1. Source clip. Supported audio sample types: 16-bit integer and 32-bit floating-point. 1.2. Other sample types (8-, 24- and 32-bit integer) are automatically converted to floating-point. 1. float volume = 1.0 1.1. Set the amplitude of the loudest audio. Default = 1.0 for pe…
Normalize audio in AviSynth+ - VideoHelp Forum
https://forum.videohelp.com/threads/396115-Normalize-audio-in-AviSynth
Normalize, or more rightly known as "Peak Normalization", just scans the file for loudest sample (e.g. "-18.5 dB") and then raises it to an arbitrary digital ceiling, along with the all the other samples in similar bit fashion. So if you want your ceiling to be 0dB (most common), it would take that example clip and raise the whole thing by 18.5dB.
normalization - Batch normalize several video files using ...
https://stackoverflow.com/questions/10695285/batch-normalize-several-video-files-using-avisynth
I've seen the Normalize function but I want to normalize with reference to all other clips and not itself. Thanks in advance for any help with this. Secondly, and more importantly, I was wondering if there was a tool outside of scripting that will apply a single avisynth script across several clips.
Amplify - Avisynth wiki
http://avisynth.nl/index.php/Amplify
Multiply (scale) the audio by amount; values are linear : amount> 1.0 increases volume amount< 1.0 decreases volume amount= 1.0 retains the same volume (default) Negative scale factors will shift the phaseby 180 degrees (i.e. invert the samples) AmplifyDB AmplifyDB(clip, float amount[, float amount]...) float amount= 0.0
AVExtensions - Avisynth wiki
http://avisynth.nl/index.php/AVExtensions
Audio-video extensions is a collection of various AviSynth filters used to modify audio or video. This is mainly a collection of miscellaneous filters, as they have no real theme with one another. Some are more useful and/or practical than others. Requirements [x86]: AviSynth+ or AviSynth 2.6 [x64]: AviSynth+; Supported color formats: RGB24, RGB32
NicAudio - Avisynth wiki
http://avisynth.nl/index.php/NicAudio
Description . NicAudio is an audio source plugin for MPEG Audio/AC3/DTS/LPCM and other uncompressed formats.. Requirements [x86]: AviSynth+ or AviSynth 2.5.8 or greater [x64]: AviSynth+ Syntax and Parameters. NicAC3Source / NicDTSSource NicAC3Source (string, int "channels", int "DRC")
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