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.
With Google Audio Indexing, you can also restrict your search to the content of a given video. By default, the "Search inside this video" uses the same query term as the video search. To search for a different term, just type your query in the text form under the video player and press the "Search within this video" button. The mention results are displayed underneath. The yellow markers on the timeline are updated accordingly and you can access the information just like before, using mouse over.