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Multitrack audio merger for ShadowPlay (or other)

About this script

Problems by using ShadowPlay

  1. Microphone too quiet.
  2. Audible microphone noise.

To fix these problems

  1. Record a video with ShadowPlay settings -> "Audio" -> "Separate both tracks" selected.
    Note: video players cannot play both audio streams at once.
  2. Use this script.

How this script fixes the problems

  1. Amplifying microphone audio (optional).
  2. Reducing microphone noise (optional).
  3. Merging two audio streams into one.

For convenience, this script also allows

  1. Removal of audio streams.
  2. Encoding of videos to reduce size.

What it currently does not do:

  1. It does not allow cutting videos.
    You can use VidCutter for that. It can quickly cut videos without encoding.
    (note: using more than one 'chapter' will remove microphone audio track)
  2. Does not have a GUI.

Requirements:

FFmpeg

Download: https://www.gyan.dev/ffmpeg/builds/ffmpeg-git-full.7z
Extract somewhere and put the extraction path in 'Environment Variables'. Example:

WIN+s -> 'system variables' -> Enviroment Variables... -> Path -> Edit -> New -> 'C:\ffmpeg\bin'

To test the installation, in a terminal type:

ffmpeg -version

Packages

pip install -r requirements.txt

Usage

  1. Data folder provides a noise .wav file. If noise reduction doesn't work then Use Audacity to record your mic noise accordingly.
  2. Settings are in main.py.
  3. You can provide a path to a single video or a folder to process many videos concurrently.