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Designing Audio Effect Plug-Ins in C++
book

Designing Audio Effect Plug-Ins in C++

by Will Pirkle
November 2012
Intermediate to advanced content levelIntermediate to advanced
535 pages
12h 28m
English
Focal Press
Content preview from Designing Audio Effect Plug-Ins in C++

CHAPTER 13

Dynamics Processing

Dynamics processors are designed to automatically control the amplitude, or gain, of an audio signal and consist of two families: compressors and expanders. Technically speaking, compressors and expanders both change the gain of a signal after its level rises above a predetermined threshold value. A compressor reduces the gain of the signal once it goes over the threshold. An expander raises the gain of a signal after it crosses above the threshold. With the exception of noise reduction systems, true expanders are rare since they can easily cause instabilities, runaway gain, and distortion. What is normally called an “expander” today is technically a downward expander. A downward expander reduces the gain of a signal ...

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Publisher Resources

ISBN: 9780240825151