![]() ![]() Only problem was the audio of many files would get cut off about midway through the movies. After installing Wondershare Filmora, just read this complete guide of using audio ducking in Filmora. The software is known for balancing all the music and audio files to equal volume. ![]() I found a small program called MP4gain that I thought would be perfect because it could normalize the audio of a 90min mp4 movie file and save it in about 1 min and the bonus was it could do files in batch. MP3Gain is free software that offers audio normalization services to users. Download Dynamic Audio Normalizer for Windows to apply gain to the input audio in order to bring its peak magnitude to a target level. For MP4 video files, an easy solution appears to be AACGain, a command line utility that handles AAC audio. ![]() The video should be just copied (left unchanged) -> set videocodecCopy I've got 2 problems: first, the file format is double -> my file is named e.g. The audio should be processed (normalized). It is reached by the test and normalization of the level volume of Mp3 and Wav files. After the normalization process all mp4-Video-files should be of the same loudness. I have a collection of mp4 movie files and a lot of them have audio that is too high in some places and low in others. The Sound Normalizer improves and regains a quality of Mp3 and Wav files. It is also a full featured video converter with more control than Handbrake or Danuisoft or AvS, etc. For anyone else that might be interested in a program that will batch normalize and raise or lower peak volume in any video file without the need to re-encode the video portion, Xmedia Recode is what I have been searching for for over 4 months and it is clean freeware. (Working with mpegts and mp4 files mostly.) Compared to the OPs description, the only difference I noticed that after the normalization, the waveform looks. ![]()
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