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Speech Recognition

Speech Recognition. Allie Stratis. B a c k g r o u n d. How it works. Analysis of sound waves Filter out unwanted noise Divide into segments to match with phonemes Examine phonemes in context of other phonemes around them Issue a computer command Hidden Markov Model.

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Speech Recognition

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  1. Speech Recognition Allie Stratis

  2. Background

  3. How it works • Analysis of sound waves • Filter out unwanted noise • Divide into segments to match with phonemes • Examine phonemes in context of other phonemes around them • Issue a computer command • Hidden Markov Model

  4. Uses and applications • Healthcare • Military • Dictate Text • Control your Technological Device • Customer Service Phone Lines

  5. advantages • Compatibility • Convenience • Speed • Hand-Free Computing • Easy Learning • http://www.microsoft.com/enable/products/windowsvista/speech.aspx

  6. disadvantages • Accuracy • Sound Quality • Learning Curve • Environment • Price • http://www.youtube.com/watch?v=2Y_Jp6PxsSQ • (0:27 – 0:51)

  7. Future development • DARPA – language translation • Emotional Tone • Other devices – coffee pots, lights, printers

  8. references • Grabianowski, Ed.  "How Speech Recognition Works"  10 November 2HowStuffWorks.com. <http://electronics.howstuffworks.com/ gadgets/high-tech- gadgets/speech-recognition.htm>  15 April 2013. • Pinola, Melanie. "Speech Pinola, Melanie. "Speech Recognition Through the Decades: How We Ended Up With Siri.” PCWorld. N.p., 2 Nov. 2011. Web. 15 Apr. 2013. <http://www.pcworld.com/article/243060/speech_recognition_through_ the_decades_how_we_ended_up_with_siri.html>. • Uno, Rave. "Voice Recognition Software Pros and Cons." Buzzle.com. Buzzle.com, 14 June 2011. Web. 15 Apr. 2013. <http://www.buzzle.com/articles/voice- recognition-software-pros-and-cons.html>. • "Windows Speech Recognition." In Windows Vista. N.p., n.d. Web. 16 Apr. 2013. <http://www.microsoft.com/enable/products/windowsvista/ speech.aspx>. 006. 

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