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Control Signals and Boolean Logic

Control signals are defined as having a block size of one. This useful for reducing the computational load when only a single value is needed. Wires holding control signals are shown as dashed lines (--------->).

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This TableInterp will use a slightly different relation but will achieve fundamentally the same function – boosting the level at lower volumes:

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Boolean Signals

A Boolean signal has only two possible values, 0 and 1. Boolean data is useful for controlling systems. Boolean signals are represented using 32-bit integer values. Audio Weaver includes several modules that perform logical operations on Boolean signals.

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If RMS1 < RMS2 then the LogicCompare module outputs 1 and the louder right channel is selcted; if RMS1 >= RMS2 then the module outputs 0 and the louder left channel is selected.

ParamSet and ParamGet

Control signals can be used to adjust parameters of modules. This can also be accomplished with the Param Get and Param Set modules. These are found in the Misc. folder. The example from the previous section can be made even cleaner by using ParamSet.

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