Instance Property

inputGainSettable

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

Declaration

@property(readonly, getter=isInputGainSettable) BOOL inputGainSettable;

Return Value

Returns YES if the device allows input gain to be changed, or NO otherwise.

Discussion

Not all devices support variable gain, check this property before attempting to set the input gain.

See Also

Working with Audio Device Settings

inputGain

The gain applied to inputs associated with the session.

- 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.