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Like compression, expansion comes in two types, downward and upward. Downward expansion makes the quiet sounds below the threshold even quieter. A noise gate can be thought of as an extreme form of downward expansion as the noise gate make the quiet sounds (for instance: noise) quieter or even silent, depending on the floor setting. [2]
The Distressor is an analog VCA compressor with a soft knee and a fixed threshold.Its ratio, attack and release times, and input and output gain are all variable. The device has built-in options for tube and tape distortion emulation and high-pass filtering, as well as a built-in side-chain allowing for the compressed signal (but not the output) to be high-passed, boosted at 6 kilohertz and/or ...
The container compression test measures the compressive strength of packages such as boxes, drums, and cans. It usually provides a plot of deformation vs compressive force . It is commonly used to evaluate shipping containers made of corrugated fiberboard as well as wooden boxes and crates .
Parallel compression, also known as New York compression, is a dynamic range compression technique used in sound recording and mixing. Parallel compression, a form of upward compression , is achieved by mixing an unprocessed 'dry', or lightly compressed signal with a heavily compressed version of the same signal.
A compressor accomplishes this by reducing the gain of a signal that is above a defined level (the threshold) by a defined amount determined by the ratio setting. Most compressors available are designed to allow the operator to select a ratio within a range typically between 1:1 and 20:1, with some allowing settings of up to ∞:1.
The combination of the ability to save and recall mixer settings, a dedicated dynamics section, and a dedicated compressor/gate/expander and parametric EQ on every channel, and SSL's flexible routing drove widespread adoption of the SL 4000 E Series consoles and its successors and variants in professional recording studios, [1] [2] and in 1996 ...
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Side-chain pumping is a more advanced technique using a compressor's side-chain feature which, "uses the amplitude envelope (dynamics profile) of one track as a trigger for a compressor used in another track." When the amplitude of a note of the side-chained instrument surpasses the threshold setting of the compressor it attenuates the ...