- embedded speech command
A command embedded in textual input that the synthesizer interprets and applies to the pronunciation of the spoken version.
The precise indication of the number of hertz of a sound wave at any instant.
- MacinTalk synthesizer
The built-in speech synthesizer available in OS X v10.0 and later. (Earlier versions of the MacinTalk synthesizer were available in earlier versions of Macintosh system software.)
A distinct unit that serves to distinguish between meanings of words.
- phoneme modifier
A symbol defined to adjust the pronunciation of an individual phoneme. Phoneme modifiers are also called prosodic control symbols.
- pitch modulation
The maximum amount by which the actual frequency of speech may deviate from the speech pitch.
- prosodic control symbol
See phoneme modifier.
The rhythm, intonation, and lexical stress in speech.
- speech attribute
A setting defined on a speech channel that affects the characteristics of the spoken output for a subset of voices or for all voices associated with a particular synthesizer.
- speech channel
A structure through which an application communicates with a specific speech synthesizer and voice. An application may have more than one speech channel open at one time, but a speech channel may not be associated with more than one synthesizer and voice at one time.
- Speech Manager
Obsolete term for the Speech Synthesis Manager. The Speech Manager provides a C-based API that supports extensive control over speech synthesis.
- speech pitch
The middle pitch of a voice, from which the actual pitches of the speech can vary with rising and falling tunes. Pitch is a combination of the average speaking frequency and its variations around that average.
- speech rate
The approximate number of words of text that the synthesizer speaks in one minute.
- speech synthesizer
A component that converts text into speech. A speech synthesizer usually contains executable code, built-in dictionaries, and pronunciation rules that help it determine how to pronounce text. A speech synthesizer may also be called a speech engine.
- speech volume
The average amplitude at which the speech channel generates speech.
A component containing data and, optionally, executable code that helps to shape the sound of the synthesized speech.