Instance Property

preferredIOBufferDuration

The preferred I/O buffer duration, in seconds.

Declaration

@property(readonly) NSTimeInterval preferredIOBufferDuration;

Discussion

The value of this property indicates the buffer duration selected using the setPreferredIOBufferDuration:error: method.

To determine the actual buffer duration, query the IOBufferDuration property.

See Also

Working with Audio Device Settings

inputGain

The gain applied to inputs associated with the session.

inputGainSettable

A Boolean value that indicates whether the input gain can be set.

- setInputGain:error:

Changes the input gain to the specified value.

outputVolume

The system wide output volume set by the user.

inputLatency

The latency for audio input, measured in seconds.

outputLatency

The latency for audio output, measured in seconds.

sampleRate

The current audio sample rate, in hertz.

preferredSampleRate

The preferred sample rate, in hertz.

- setPreferredSampleRate:error:

Sets the preferred sample rate for input and output.

IOBufferDuration

The current I/O buffer duration, in seconds.

- setPreferredIOBufferDuration:error:

Sets the preferred audio I/O buffer duration, in seconds.