Class: AVAudioSessionChannelDescription
Overview
The AVAudioSessionChannelDescription class provides descriptive information about a hardware channel on the current device. You typically do not create instances of this class yourself but can retrieve them from the port AVAudioSessionPortDescription object used to reference the intended input or output port.
Instance Attribute Summary (collapse)
-
- channelName
readonly
The descriptive name for the channel.
-
- channelNumber
readonly
The index of this channel in its owning port’s array of channels.
-
- owningPortUID
readonly
The unique identifier (UID) for this channel’s owning port.
Method Summary
Methods inherited from NSObject
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Constructor Details
This class inherits a constructor from NSObject
Dynamic Method Handling
This class handles dynamic methods through the method_missing method in the class NSObject
Instance Attribute Details
- (String) channelName (readonly)
The descriptive name for the channel. (read-only)
- (Integer) channelNumber (readonly)
The index of this channel in its owning port’s array of channels. (read-only) You can use the value in this property to identify the channel during audio routing. The value of this property is not guaranteed to persist across route changes, though.
- (String) owningPortUID (readonly)
The unique identifier (UID) for this channel’s owning port. (read-only) You can use the value of this property along with the value of the channelNumber property to communicate with specific hardware channels.