Adap.tv, a leading provider of contextual advertising for online video, has closed $13 million in Series B funding. The round was led by Spark Capital, along with Redpoint Ventures and Gemini Israel Fund. As part of the deal, Spark Capital’s Dennis Miller will join the company’s board of directors. Adap.tv’s total funding to date is now $23 million (Adap.tv raised $10 Million in Series A).

Adap.tv provides a unique online video advertising platform that allows publishers and advertisers to match relevant advertising with online video content. The company uses advanced technology to analyze the video, audio and metadata to serve contextually relevant ads in a viewer-friendly manner.

Metacafe, one of the world’s largest video Web sites, use Adap.tv’s advertising platform to display viewer-friendly and relevant advertising to more than 24 million viewers who consume 500 million page views on Metacafe’s site every month.