Instance Property

inputGain

The gain applied to inputs associated with the session.

Declaration

@property(readonly) float inputGain;

Discussion

A floating point value ranging from 0.0 to 1.0, where 0.0 represents the lowest gain setting and 1.0 represents the highest gain setting.

You can observe changes to the value of this property using Key-value observing.

See Also

Working with Audio Device Settings

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.

preferredIOBufferDuration

The preferred I/O buffer duration, in seconds.

- setPreferredIOBufferDuration:error:

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