Instance Property

preferredOutputNumberOfChannels

The preferred number of output channels for the current route.

Declaration

@property(readonly) NSInteger preferredOutputNumberOfChannels;

Discussion

The value of this property indicates preferred number of output channels selected using the setPreferredOutputNumberOfChannels:error: method.

To determine the actual number of channels, query the outputNumberOfChannels property.

See Also

Working with Audio Channels

inputNumberOfChannels

The number of audio input channels for the current route.

maximumInputNumberOfChannels

The maximum number of input channels available for the current audio route.

preferredInputNumberOfChannels

The preferred number of input channels for the current route.

- setPreferredInputNumberOfChannels:error:

Sets the preferred number of input channels for the current route.

outputNumberOfChannels

The number of audio output channels.

maximumOutputNumberOfChannels

The maximum number of output channels available for the current audio route.

- setPreferredOutputNumberOfChannels:error:

Sets the preferred number of output channels for the current route.