Phonetic search technology

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Phonetic Search Technology (PST) is a method of speech recognition developed by Nexidia. An audio signal of speech is broken down into series of phonemes, which can be used to identify words. A string of six phonemes for example, “_B _IY _T _UW _B _IY,” represent the acronym “B2B”.

Nexidia are looking to integrate PST to work in conjunction with Google's ad serving program, AdSense, by breaking down words found in video/audio streams phonetically, converting them into a text queries and sending off that query to Google's Ad Server where it parses it and locates relevant ads related to it, and delivering contextually relevant advertisements accordingly. As a video plays it is possible for the adverts to update dynamically to match what is being said in video.