With the quality of devices that we have today, is no longer sufficient normalization method offered by the audio normalizing a decade ago.<\/p>\n
Once I considered sufficient to make a simple scan looking for the volume peaks, to amplify ALL that song by the same ratio. That is, if the peak volume was by 305 below the limit possible, then the entire song simply by 30 percent was amplified. True, it was ingenious, but very innocent and inefficient.<\/p>\n
Seeking then calculate the loudness of the entire song and compare it with all the tracks that formed a CD. ID3 tag type is generated (which are not at all standard, that is, most players today olos ignore) and it was like automatically turn the volume knob.<\/p>\n
Today we come to the time where you can perform complex and sophisticated frequency sweeps (practically isolating each instrument) in each frame, in order to modify differently the various sound within a song or video.
\nNot everything is amplified at the same ratio, every sound is treated separately, to achieve the proper normalization in 2016.<\/p>\n
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