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Bongo Felafel
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Hmm, not sure where those numbers came from. I have an acquaintance who is a speech recognition researcher & (as far as I can remember) he told me that the current accuracy of recognition of clean speech (speech without any background noise) is about 95 to 98%. The caveat is that the recognizer has to be trained for the person's voice and a particular acoustic model. According to him, the big problem for speech recognition isn't recognizing clean speech, it is recognizing speech with a background noise. Another acquaintance at a big consumer electronics company spent several years working on voice control for household items like air conditioners, but his company gave up on the research because it seems that the level of accuracy they achieved, about 80%, was unacceptable to consumers.
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Jul 17, 2010