A route description manages the input and output ports associated with the current audio route for a session.
SDKs
Framework
class AVAudioSessionRouteDescription : NSObject
You do not create instances of this class yourself. Instead, you retrieve the current audio route from your app’s AVAudio object.
var inputs: [AVAudioAn array of audio input port descriptions.
var outputs: [AVAudioAn array of audio output port descriptions.
class AVAudioA channel description provides descriptive information about a hardware channel on the current device.
class AVAudioA description that defines a data source for an audio input or output, giving information such as the source’s name, location and orientation.
class AVAudioInformation about the capabilities of the port and the hardware channels it supports.