Instance Property

currentHardwareSampleRate

The audio hardware sample rate, in hertz.

Declaration

@property(readonly) double currentHardwareSampleRate;

Discussion

Obtain the value of this property after activating your audio session. After successful activation, the value of this property doesn’t change while your session remains active.

See Also

Working with Audio Device Settings

inputGain

The gain applied to inputs associated with the session.

inputGainSettable

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

- setInputGain:error:

Changes the input gain to the specified value.

outputVolume

The systemwide output volume set by the user.

sampleRate

The current audio sample rate, in hertz.

preferredSampleRate

The preferred sample rate, in hertz.

- setPreferredSampleRate:error:

Sets the preferred sample rate for audio input and output.

inputLatency

The latency for audio input, in seconds.

outputLatency

The latency for audio output, in seconds.

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.

preferredHardwareSampleRate

The preferred hardware sample rate, in hertz.

Deprecated
- setPreferredHardwareSampleRate:error:

Sets the preferred hardware sample rate for input and output.

Deprecated