Contents

rate

Get or set a synthesizer’s speech rate.

Declaration

static let rate: NSSpeechSynthesizer.SpeechPropertyKey

Discussion

An NSNumber object that specifies the synthesizer’s speaking rate. The range of supported rates is not predefined by the NSSpeechSynthesizer class; each speech synthesizer provides its own range of speech rates. Average human speech occurs at a rate of 180 to 220 words per minute.

This property is used with setObject(_:forProperty:) and object(forProperty:).

See Also

Speech Property Keys