The compression presets allow you to regain these sounds by sacrificing some dynamic range in the process. So if this is lower than 105dB (which is likely), you will lose some of the very quiet sounds on the soundtrack. When you set up a Dolby decoder with a reference tone, you are telling it the volume level it should play 105dB audio at. Considering the fact that prolonged exposure to 90 dB audio can result in hearing loss, most people do not play their audio at 105dB. The loudest sound in a Dolby soundtrack can be 105dB.
Rather than just telling you which settings to use, I'm first going to explain what these functions are designed to do because there are a lot of misconceptions about them.Ĭompression alters your dynamic range (the difference between the loudest and quietest sounds in a soundtrack) by compressing the level of sounds to fit within a certain range. That's because the Dolby Digital 2.0 audio preset in Compressor has several functions to improve unsuitable audio, but if you have already mixed your audio they might do more harm than good in some cases.
FXFACTORY FOR SNOW LEOPARD PRO
Why does my DVD audio level differ from the level in FCP?Have you noticed a discrepancy between the audio in your Final Cut Pro timeline and the audio of the finished DVD when using Compressor's DVD presets?
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