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Wire information is resolved through a process known as pin propagation. The wire information is known from the system input and this information is propagated in module order until it reaches the system output pin. To trigger pin propagation, click on the Propagate changes button ( ) on the toolbar. Alternatively, right-click on an empty part of the canvas and select “Redraw” from the context menu. If there is a wiring error and pin propagation is unable to complete, an error sound will play. To find out more details to this error, run the system.

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Feedback Wires

Feedback occurs when a wire is routed backwards to an input earlier in the system. Feedback wires must be manually specified.

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Wire size information must be set using the “Feedback Properties” dialog which is reached by right-clicking on the feedback wire. The following dialogue box opens, allowing the ability to set the wire’s block size, number of channels, sample rate, data type, and whether or not it is complex. This should match the pins that the wire is connecting.

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Block Size

Each hardware target has a fundamental block size to specify how many samples per block are handled by the real-time audio I/O functions. This is shown on the Server window when the Server launches. (See below.)

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