Non-oversampling(1x) limiters cannot detect a true peak in resulting analog waveform. Non-oversampling(1x) samples and oversampling(8x) samples result a same analog waveform. The figure below shows peak detection of limiters. Non-oversampling peak limiters have a problem on detecting peaks. Using Unity Gain Monitoring, the makeup gain is cancelled and you can focus the sound difference through limiting. The amount of negative gain is same as makeup gain. The idea of Unity Gain Monitoring is simple – putting negative gain on output stage. Louder sound often brings better impression for listeners, but the same effect leads engineers to a wrong sound judgement. In this mode, the limiter shows only essential controls for rapid learning and practical use. The freedom of control also brings complexity and difficulties in learning. Its basic algorithm is inherited from the predecessor Invisible Limiter, but there are a lot of enhancements, such as reduction shape controls, softknee, channel link, manual attack/release time, dither, side chain filter, etc. Invisible Limiter G2 is focusing to allow precise control to user. Limiters continue to play one of crucial roles in mastering process, and become a more aggressive part in sound tuning. Loudness war is over, limiting just for loudness is no longer an issue, however, how we should limit signals is still an issue.
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