A route description manages the input and output ports associated with the current audio route for a session.
- iOS 6.0+
- tvOS 9.0+
- watchOS 2.0+
You do not create instances of this class yourself. Instead, you retrieve the current audio route from your app’s
Getting the Input and Output Ports
A port description object describes a single input or output port associated with an audio route. You can use the information in this class to obtain information about the capabilities of the port and the hardware channels it supports.