Class

AVAudioSessionChannelDescription

A class that describes a hardware channel on the current device.

Declaration

@interface AVAudioSessionChannelDescription : NSObject

Topics

Getting the Channel Information

channelName

The descriptive name for the channel.

channelNumber

The index of this channel in its owning port’s array of channels.

owningPortUID

The unique identifier (UID) for this channel’s owning port.

channelLabel

A description of the physical location of this channel.

Relationships

Inherits From

See Also

Getting the Port Attributes

portName

A descriptive name for the port.

portType

The type of the port.

AVAudioSessionPort

A structure that defines the available input and output port types.

channels

An array of channel objects that describe the port’s input or output channels.

UID

A system-assigned unique identifier (UID) for the port.

hasHardwareVoiceCallProcessing

A Boolean value that indicates whether the associated hardware port has built-in processing for two-way voice communication.