Roland VS-1824 Owner's Manual download pdf (Page 50)

Algorithm List

Dual Comp/Lim (Dual Compressor/Limitter)

Compressors suppress signals at High levels. Limiter is used to control excessive input. Each of the above is used

to prevent sound distortion or to control dynamics.

fig.08-40

Input A is input into the L-channel side of the effect. Therefore, it is required to insert and connect “Lch” of the

effect to the channel handling Input A. Similarly, Input B is input into the R-channel side of the effect. Insert and

connect “Rch” of the effect to the channel handling Input B.

Input A

Input B

Compressor/Limiter A

Output L

Output R

Noise Suppressor A

Noise Suppressor B

Compressor/Limiter B

Detector in

Difference between Compressor and Limiter

Behaviors of Compressor and Limiter are very similar. Both of them compress the entire output signals if input

signals exceed a certain level (threshold level), according to the input level.

Compressor automatically drops the amplitude to suppress all levels in the exceeding section. Limiter suppresses

only the maximum level of input signals.

Using as Limiter

Threshold Level (Thresh): Relatively High

Ratio (Ratio): 100:1

Attack Time (Attack): Relatively short

Release Time (Release): Relatively short

Using as Compressor

Threshold Level (Thresh): A level that does not cause distortion of output sounds.

Ratio (Ratio): 1.5:1, 2:1, 4:1

Attack Time (Attack): Adjusted according to the input sound type.

Release Time (Release): Adjusted according to the input sound type.

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Roland VS-1824 Owner's Manual Page 50