How to solve the soft sound playback of MP4 files?

I strongly believe that there are many people out there who faces the same problem. MP4 movie files are able to be played using your average movie players like RealPlayer or Window Media Player and you would probably realized that the audio playback were very low in volume. MP4 are usually converted movie files from DVD. Most of the time, MP4 files are downloaded from the Internet or even iTune.

I tried to plug in the laptop for the playing of the files to even a Philip Sound Bar with extreme high bass and volume outcome, but the outcome is still not encouraging. The music within the MP4 files were lound, but the conversation were extremely soft. I even had to hold on to my remote control during the movie to adjust the sound accordingly.

After the failure with speaker, I tried to search on the Internet search engines and found many people asking the same questions over and over again on major forums. There were some solutions being shared on the Internet. One of the solutions involved the user to instal a codec (Similar to AC3 Filter) and it required the user to do some setting. That sounds a little complicated for me.

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