How do I normalize the audio volume of a bunch of MP4 files?
DDVideo Video to MP4Gain can solve the question.
a.Download DDVideo Video to MP4Gain, Install and Run DDVideo Video to MP4Gain program;
b.Add mp4 files;
c.Select "OriginalSize" or resize by "Video Size" list;
d.Please tick "VolumeGain" box and adjust output target video volume From 75DB to 105DB,If you don't tick "VolumeGain" box ,volume normalizer function is invalid;
e.Select output format in ProfileSettings;
d.You can also set video parameter or audio parameter by "Video" or" Audio";
g.Select output files directory;
h.Click "convert " button to convert and normalize mp4 files;
i.Open output files to enjoy your mp4 files at the same sound level.
Very easy to use.
Re: How do I normalize the audio volume of a bunch of MP4 files?
i can recommend a free program that does this for free: Avidemux
did i mention that it was free?