Google Audio Indexing is a new technology from Google that allows users to better search and watch videos from various YouTube channels. It uses speech technology to find spoken words inside videos and lets the user jump to the right portion of the video where these words are spoken.
Google Audio Indexing is also known as GAudi, is a widget for iGoogle, a beta product which indexes the audio of YouTube videos in the "politicians" channel.
Google's mission is "to organize the world's information and make it universally accessible and useful". As more video content is being created everyday, Google Audio Indexing tries to make it easier for people to find and consume spoken content from videos on the Web.
Google Audio Indexing is a showcase for speech technology. Political videos and election materials are a special case of broadcast news content, a domain that has received a lot of academic and industry attention and is known to perform well.
Google Audio Indexing uses speech technology to transform spoken words into text and leverages the Google indexing technology to return the best results to the user.
The returned videos are ranked based -- among other things -- on the spoken content, the metadata, the freshness.
GAudi is still in the experimental phase but it offers a glimpse as to what is to come for video search and the possibilities this brings for Video SEO. Speech-to-text offers video content publishers the opportunity to blow out video landing pages with relevant and keyword rich content.
An interesting point in all the GAudio talks is that GOOG-411, Google’s directory assistance service, is the technology that made the Google Audio Indexing possible or a least better. Back in late 2007, when GOOG-411 launched, Google said that it would be using the acquired service to improve speech-to-text technology
Searching for a word in a video will bring up a whole list of search results with hits for that particular word, along with a text snippet from the video where the word was mentioned to give the searcher an idea about the context. Google even takes it a step further by highlighting at which points in the video the keyword was mentioned.
Google Audio Indexing searches only those videos uploaded on the You Tube political channels. If a video is on the YouTube political channels, it will be in the index. Candidates control the video content released to the public using Google Audio Indexing technology by controlling the content they upload to YouTube channels.
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