Ports

An object's ports may be defined in one of two ways, depending on its nature.

• For some kinds of objects (concrete objects), the set of ports is fixed. For example:
• A block's ports are defined in the block port collection of its blockspec, as described above.

• A bespoke multichannel audio processor (e.g. a Dolby 5.1 processor) will have statically defined inputs and outputs.

• For other kinds of objects (port-flexible objects), the set of ports may be defined by the blockspec that deploys them. For example:

• A gain object may be deployed as a monaural control (one input, one output) in one case, but as a stereophonic control (two inputs, two outputs) in another.
• A matrix object may be deployed with different matrix sizes in different cases; in all cases, its port list will correspond to its size. For instance, a 2x2 matrix will have two input ports and two output ports, while a 4x16 matrix will have four input ports and sixteen output ports.