How to normalize the audio channel of a video file?

Hi there
I have 100 quicktime movies.
All I want to do is to normalise the audio in them.
I understood that in the Volume correction I need to select - Equalize Volume Levels.
Is that it?
You can watch the movies without the sound boost in here
Also, How can I save the audio File into the quicktime without rendering the video again.
I don't want the video to be encoded again because the quality is really bad for some reason.
Even If I choose Animation codec which suppose to be good.
Isn't there a way of saving the new audio in the movie without encoding it all again?
Thanks
Guy

hello,
DDVideo QuickTime video converter gain can help you.it only copys and normalises the audio for your mov video without encoding again.
Operation Steps：
1.Run the programe.
2.Add you MOV video,
3.Select MOV format in ProfileSettings,
4.There is a "Video Codec" in Video parameter,Please select " copy "
5,Please tick "VolumeGain" box and adjust output target video volume From 75DB to 105DB
6.Select output files directory，
7.click "convert " button to convert video.
The programe also can convert your video to other video format.you need to change Video codec to realize encoding again.
url:http://daydayvideo.com/quicktime-video-converter.htm
Hope it helps you.

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