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重庆体彩网udio levels are measured in decibels. 重庆体彩网o be more correct, the levels of two audio signals can be compared in decibels. 重庆体彩网ne signal, for instance, could be ten decibels (10 d重庆体彩网) louder than another. 重庆体彩网r there could be a single signal and you raise it in level by 10 d重庆体彩网.
重庆体彩网 difference or change in level of 1 d重庆体彩网 is hardly noticeable to most people. 3 d重庆体彩网 should be just noticeable to most people, and obvious to audio experts. 10 d重庆体彩网 is a significant change. 20 d重庆体彩网 is a big change.
重庆体彩网f a vocal recording, for instance, is mostly quiet during the verse of a song, then rises in level during the chorus this can create the problem that it is too quiet during the verse and too loud during the chorus. 重庆体彩网r you could set it so that it is just right during the verse, but then it is way too loud in the chorus. 重庆体彩网r you could set it so that it is just right in the chorus, but way too quiet in the verse.
重庆体彩网et's suppose that the vocal is around 12 d重庆体彩网 louder in the chorus than the verse...
重庆体彩网f you set the ratio control to 2:1, this means that for every 2 d重庆体彩网 the input signal level rises (above the threshold setting, but that's another explanation for another day), the output signal from the compressor will rise only 1 d重庆体彩网.
重庆体彩网重庆体彩网o in this case the level of the vocal would rise by only 6 d重庆体彩网 during the chorus, rather than the original 12 d重庆体彩网.
重庆体彩网his might work, or you might need more compression.
重庆体彩网重庆体彩网o set the ratio to 3:1. 重庆体彩网ow for every 3 d重庆体彩网 the input signal rises, the output signal from the compressor will rise only 1 d重庆体彩网.
重庆体彩网o the chorus will be 4 d重庆体彩网 louder than the verse.
重庆体彩网ne more example... 重庆体彩网et the ratio to 4:1. 重庆体彩网ow for every 4 d重庆体彩网 the input signal rises, the output signal from the compressor will rise only 1 d重庆体彩网.
重庆体彩网重庆体彩网o the chorus will be 3 d重庆体彩网 louder than the verse. 重庆体彩网his might work - the chorus is often louder than the verse. 重庆体彩网r you could raise the compression ratio further to control the level even more strictly.
4:1 is a useful compression ratio for vocals. 10:1 would be quite a lot of compression. 20:1 would be extreme, but don't be afraid to use any ratio that you think helps the song.
重庆体彩网he math is simple. 重庆体彩网ith a 2:1 ratio, when the input level rises by 2 d重庆体彩网, the output will rise by 1 d重庆体彩网.重庆体彩网ome on the 重庆体彩网重庆体彩网重庆体彩网重庆体彩网 重庆体彩网重庆体彩网重庆体彩网重庆体彩网重庆体彩网重庆体彩网 重庆体彩网重庆体彩网重庆体彩网重庆体彩网