Pluggd, a Seattle company that lets you search audio and video files for words or themes, has raised just under $6 million in financing.

Pluggd is a hot company because it does something well that few others have been able to match. You can search for “iPhone,” and Pluggd will give you a heat map showing all the places in the video file where iPhone is mentioned or even themes related to the iPhone. Click on image below for a demo.

pluggd-screen2.bmp See our previous coverage of the company.

Intel Capital, the venture arm of chip company Intel, led the round. Intel had earlier invested in the company’s seed round. Other investors include DFJ Frontier, Labrador Ventures and the Band of Angels. We’re hearing the company received an acquisition offer, but turned it down after receiving multiple favorable offers from venture capital firms.

The company is moving quickly. Last time we covered the company, it searched only audio files. Now it searches video.

It also offers a widget to search audio and video on third-party sites.

Other companies offer competing technology, but none distribute the same heat-map precision features. One is YuMe, of Redwood City, Calif., which also uses speech-recognition technology to allow advertisers to decide which videos to advertise on. That company employs people in India to make sure that videos are about what they say they are. It has received more than $7 million in funding from Khosla Ventures, Accel Partners, and BV Capital and others. Another is EveryZing, which raised $10 million in June.

Pluggd and YuMe were both voted “best in show” at July’s Under the Radar event.

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