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Speech Recognition

Although it may surprise many Mac users, the Mac is quite talented when it comes to speech. Its abilities fall into two categories: reading text aloud, using a synthesized voice; and taking commands from your voice.

The Apple marketing machine may have been working too hard when it called this feature “speech recognition”—the Mac OS feature called PlainTalk doesn’t take dictation, typing out what you say. (For that, you need a program like ViaVoice for Mac OS X, www.scansoft.com, or iListen, www.macspeech.com.)

Turn listening on and off here. If you turn on “Listen only while key is pressed,” the Mac pays attention to you only when you’re pressing a key (like Esc). As a convenience, it even pauses iTunes playback while you’re pressing the key. If you turn on “Listen continuously with keyword,” you have to say a certain keyword to “get its attention” before speaking each command. In the Keyword blank, type the word you want the Mac to listen for as it monitors the sound from your mike.

Figure 15-11. Turn listening on and off here. If you turn on “Listen only while key is pressed,” the Mac pays attention to you only when you’re pressing a key (like Esc). As a convenience, it even pauses iTunes playback while you’re pressing the key. If you turn on “Listen continuously with keyword,” you have to say a certain keyword to “get its attention” before speaking each command. In the Keyword blank, type the word you want the Mac to listen for as it monitors the sound from your mike.


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