Type Property

rate

Get or set a synthesizer’s speech rate.

Declaration

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

static let status: NSSpeechSynthesizer.SpeechPropertyKey

Get speech-status information for the synthesizer.

static let errors: NSSpeechSynthesizer.SpeechPropertyKey

Get speech-error information for the synthesizer.

static let inputMode: NSSpeechSynthesizer.SpeechPropertyKey

Get or set the synthesizer’s current text-processing mode.

static let characterMode: NSSpeechSynthesizer.SpeechPropertyKey

Get or set the synthesizer’s current text-processing mode.

static let numberMode: NSSpeechSynthesizer.SpeechPropertyKey

Get or set the synthesizer’s current number-processing mode.

static let pitchBase: NSSpeechSynthesizer.SpeechPropertyKey

Get or set a synthesizer’s baseline speech pitch.

static let pitchMod: NSSpeechSynthesizer.SpeechPropertyKey

Get or set a synthesizer’s pitch modulation.

static let volume: NSSpeechSynthesizer.SpeechPropertyKey

Get or set the speech volume for a synthesizer.

static let synthesizerInfo: NSSpeechSynthesizer.SpeechPropertyKey

Get information about the speech synthesizer being used on the specified synthesizer.

static let recentSync: NSSpeechSynthesizer.SpeechPropertyKey

Get the message code for the most recently encountered synchronization command.

static let phonemeSymbols: NSSpeechSynthesizer.SpeechPropertyKey

Get a list of phoneme symbols and example words defined for the synthesizer.

static let currentVoice: NSSpeechSynthesizer.SpeechPropertyKey

Set the current voice on the synthesizer to the specified voice.

static let commandDelimiter: NSSpeechSynthesizer.SpeechPropertyKey

Set the embedded speech command delimiter characters to be used for the synthesizer.

static let reset: NSSpeechSynthesizer.SpeechPropertyKey

Set a synthesizer back to its default state.

static let outputToFileURL: NSSpeechSynthesizer.SpeechPropertyKey

Set the speech output destination to a file or to the computer’s speakers.