Chapter 25Key PlayersWhat is Voice Recognition Software?Positive AspectsNegative AspectsCommunicating with the softwareRecognizing SpeechExamples of HomophonesActivitySol Lerner›Works for Scansoft›Creates Voice Recognition softwarePrograms that allow computers to recognize and interpret the words that people say.Popular Programs›Dragon Naturally Speaking#1 Selling in the world Created by ScansoftCan type what the human says through a microphoneCan act like a human towards you to hold a conversation›Used with checking flight informationBeginning to replace phone receptionist and directing calls based off of key words to send to the correct extensionPeople have different voices›Accents›Volume›Gender›LanguagesThere are 3 main steps to communicate using a micA SIGNAL is sent that carries the informationIt is then ENCODED or translated so that the machine can understand it.Then it is DECODED so that you can understand what was saidTakes a signal in converts it from analog to digitalAnalyzes the signal to determine what is being saidUnfortunately the program has a problem with homophones(word that sound alike but spelled differently)What you said›I know you at the cakeComputer could think you said›Eye no ewe 8 the cakeWe know this is not correct because our brain can decipher this and know which one is the correct interpretation.Get into groups of 2 or 3Figure out what the homophones on the worksheet are really suppose to
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