Call CIA and NSA they know.. project carnivore is based on this tech.. >>-----Original Message----- >>From: [email protected] [mailto:asterisk-biz- >>[email protected]] On Behalf Of Peter Beckman >>Sent: September-30-09 12:02 AM >>To: Commercial and Business-Oriented Asterisk Discussion >>Subject: Re: [asterisk-biz] Asterisk and Yext.com's (on the fly) call >>transcription.. >> >>On Wed, 30 Sep 2009, Ritesh A wrote: >> >>> Folks, >>> >>> Does anyone have a clue on how Yext transcribes the calls (almost) on >>> the fly? >>> I am pretty sure they are using asterisk at the heart and perhaps >>> using some neat APIs for call transcription. >>> If you are know of any outfit there that provides similar APIs, >>please >>> ping me... >>> >>> If anyone is interested in learning more about Yext, here is the >>video >>> demo of their interesting demo at TC50 >>> >>> http://www.ustream.tv/recorded/2163590 >> >> I am extremely impressed with Yext. Thanks for the link and your >>post! >> >> Here's my take on how they do it. >> >> * recording both ends of the call separately (Asterisk can do this) >> * pass both audio files to a voice processing API (SpinVox) >> * integrate the relating text into a conversation flow (very cool, >>not >> sure how, depends on the API) >> * parse resulting text into keywords matching categories (maybe >>scoring >> them somehow), then if the score is high enough, using a higher >>level >> matching (if a year (2007), make (Porche) and model (911) are >>mentioned, >> put them together in the right order and put it in the inbox, >> searchable). >> >> Both the merging of the two sides of conversation and The keyword >>matching >> is where they really did some cool stuff. While I can think of how >>they >> did it in theory, it probably took a lot of work to pull that off. >> "Automotive" is likely a set of related keywords, and then another >>set of >> keyword combinations. One of the combos combine the matches on >>keywords >> found, then matches those to "[year] [make] [model]" as a relevant >> keyphrase if Automotive is selected. >> >>Beckman >>----------------------------------------------------------------------- >>---- >>Peter Beckman Internet >>Guy >>[email protected] >>http://www.angryox.com/ >>----------------------------------------------------------------------- >>----
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