You might use command mode to navigate menus in applications or activate macros.This is how voice recognition is used in Auto PC and the voice applications for phone systems. We're not only a long way from HAL, but that less-classic model for the voice-interface computer, the talking car in 'Knight Rider,' isn't around the corner, either.Generally speaking, there are two modes of voice recognition: command and dictation.Command mode is when a user says words linked to commands, which are then interpreted and executed. Auto PC apprehends human commands and responds with information in a synthesized voice.Still, Auto PC is a Windows CE device with a specific'that is, small'set of functions. The closest anyone has come to HAL'the disembodied, interactive, intelligent voice'is in technologies such as high-end telephony applications for customer service and specialized systems such as Microsoft's Auto PC. Common sense will tell you that systems that call up data in response to a few well-used verbal commands, in the form of numbers or one- or two-syllable phrases, are more likely to work than, say, a system that tries to transcribe the minutes of the House Ways and Means Committee. But that's the problem'they're still potential applications, for the most part.The simplest ones work best. But those advances still aren't enough to get most people talking to their computers in kinder, gentler tones.There are plenty of potential applications for voice recognition. Clarke's HAL 9000.Voice recognition software has nevertheless improved significantly, as have handwriting recognition, optical character recognition and other interfaces between people and machines. Voice recognition technology is still a long way from Arthur C. Now we're near the year 2000 in the real world, and plenty of people are talking to their computers'though it's often a one-way conversation, using words we shouldn't print. By Kevin JonahSpecial to GCNIn 1968's '2001: A Space Odyssey,' computers exchanged information with people by talking.
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