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Accelerating the Value of In-Car Speech Systems

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Top automobile manufacturers all offer voice control options in their cars. It would seem that when it comes to the car, voice controls are quickly becoming ubiquitous because many consumers see the possibility for both convenience and safety. However, there have been concerns that continue to arise around these technologies. Strategy Analytics' recent Automotive Consumer Insights report states the problems with speech technology are very different from problems users face when dealing with other inputs, such as touchscreens or buttons. One of the central problems of voice technology interfaces, Chris Schreiner, senior analyst at Strategy Analytics, points out, is natural language speech. Overall, ACI recommends that vendors employ speech via a hybrid strategy that combines embedded and server-side recognition engines.

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 Accelerating the Value of In-Car Speech Systems
 We all dream about being able to tell our cars to                                  crucial to maintaining safety. “I’ve done research that
 find the quickest way to grandmother’s house                                       shows that there is a safety benefit until there are system
                                                                                    errors, and the more cognitive attempts are used in correct-
 while playing the early hits of the Beatles.                                       ing the error, the more problems [during] driving can
           On the way, you tell the car you would like to find the                  occur,” Schreiner says.
        closest doughnut shop with the highest-rated soy latte. Be-                    To help improve these issues, ACI makes the following
        fore you know it, there you are, going over the mountains                   recommendations:
        and through the woods, sipping a latte, singing along with                     • keep manual interaction to a minimum;
        “Can’t Buy Me Love,” without ever taking your hands off                        • provide short but informative prompts;
        of the wheel.                                                                  • provide useful help;
           Much of this dream is now something of a reality: Top                       • provide assistance for novice users and adapt for experts;
        automobile manufacturers, such as Mercedes-Benz, Ford,                         • design a sensible interruption strategy;
        Hyundai-Kia, Toyota, Lexus, and BMW, all offer voice con-                      • limit voice functionality to moderate and complex
        trol options in their cars. In early June, Ford released an                      multimedia tasks; and
        updated version of its SYNC system, which uses technolo-                       • provide simple error recovery.
        gies from Microsoft/Tellme and Nuance Communica-                               Overall, ACI recommends that vendors employ speech
        tions, to enable drivers to use voice commands to
								
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