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I think what they meant by "density" was that the entire commercial was near the max volume, whereas the show you were watching was mostly at a lower volume wit
by laughing_man 1y ago
I think what they meant by "density" was that the entire commercial was near the max volume, whereas the show you were watching was mostly at a lower volume with occasional peaks.
- louthy 1y agoYou're literally describing dynamic range. The volume is the same in the show and the advert, but the perception of loudness is completely different. You perceive the adverts as louder because of the reduced dynamic range, even though they're not actually louder at all. This reduction in dynamic range is done by pre-processing the audio [in the advert] with a compressor. It lifts the quieter sounds (reducing the dynamic range), which creates more of a 'wall of sound' but the overall decibel levels are the same. https://www.uaudio.com/blogs/ua/audio-compression-basics https://www.uaudio.com/blogs/ua/audio-compression-basics