To cleanly limit high amplitude, very low frequency bass (down to 50 Hz) the Hold should be increased to 20 ms. The default 10 ms hold time is sufficient for frequencies down to 100 Hz without distortion. If there are high levels of very low bass it will be necessary to increase the Hold time to avoid distortion. Shorter Hold times allow the peaks to be tracked more accurately and the limiter will respond faster to the dynamics. Hold (ms): Holds the gain at the reduced level after a peak is detected so as to prevent the gain from “riding the waveform” which would cause harmonic distortion. As peaks in the original audio approach this level the gain is reduced so as to prevent the peaks exceeding the set level. Limit to (dB): This control sets the maximum peak level. The limiter is very simple to use and requires little explanation, but for anyone that is unfamiliar with limiters, here’s a few tips. It is a very fast compressor and is able to limit the maximum peaks without introducing high levels of harmonic distortion. Unlike the Soft Clipping Limiter, Broadcast Limiter and LADSPA limiter, this limiter does not use wave shaping distortion to limit the peaks. A “lookahead” dynamic range limiter to stop peaks above the set threshold value.
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