Invisible Limiter

A.O.M. Invisible Limiter is a transparent look-ahead brickwall limiter with automatic attack/release-time optimization. The Invisible Limiter's limiting algorithm minimizes the difference between the original and the limited signals. This behavior is appropriate to avoid coloration your material through final limiting stage in mastering. Under ordinal amount of reduction, it is hard to distinguish before and after limitation.

Transparent brickwall limiting

Final limiting in audio mastering is the place of compromise. You should find the best level of your track, but that is not an easy stuff because making tracks louder often breaks its sound.
Using Invisible Limiter, you can make your tracks louder with minimum sound degradation. The limiter works to minimize the difference between original and limited sound.

Unity Gain Monitoring

It's very hard to avoid the affection caused by sound level. Louder sound often brings better sound impression for listeners, but the same effect leads engineers to a wrong sound judgement.
The idea of Unity Gain Monitoring is very simple – putting negative gain on output stage. The amount of negative gain is same as makeup gain. Thus, using Unity Gain Monitoring, the makeup gain is cancelled and engineers can concentrate the sound difference through limiting.


Non-oversampling peak limiters have a problem on detecting peaks. The figure below shows peak detection of limiters. Non-oversampling(1x) samples and oversampling(8x) samples result a same analog waveform. Non-oversampling(1x) limiters can't detect the true peak in resulting analog waveform. In contrast, oversampling(8x) limiters can detect and process the true peaks.



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