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The Voice Navigator was the first voice recognition device for command and control of a graphical user interface (Patent no. 5377303). The system was originally designed for the Apple Macintosh Plus and released in 1989. Subsequent versions were created for Microsoft Windows. The original system included both hardware and software. A software-only version was introduced in 1992 for computers with built-in microphone and adequate microprocessor (Mac IIsi, Mac Quadra AV). The hardware consisted of a TMS320 digital signal processor, a Rockwell fax modem and a SCSI interface as well as a headset microphone. The software consisted of Dragon Systems (acquired by Nuance) speaker dependent, discrete utterance, voice recognition driver and Articulate Systems patented voice control technology. The software enabled voice control of any Macintosh application using context dependent synchronised grammars derived from the current processes and operating system data structures (menus, windows, controls) and events (mouse, key and AppleEvents). The system recognised spoken utterances and posted corresponding system events. The system was designed to be extensible using a plug-in architecture (voice extensions) for custom functionality and included a software developer kit (SDK) for third-party applications. == Products == Voice Navigator - The original version with fax modem capability. Voice Navigator II - A low cost version with desktop microphone. Voice Navigator SW - A software-only version for Macs with built-in microphones. Voice Navigator SDK - The software developer kit for third-party applications. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Voice Navigator」の詳細全文を読む スポンサード リンク
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