The Content Identification tool is the latest way Google Video allows copyright holders to more easily identify and manage their content on Google Video. The tool creates ID files which are then run against user uploads and, if a match occurs, the video is disabled and not viewable on the site.
What are "ID files"?
The digital content identification file which corresponds to a reference file (a piece of content like a movie, music or other audiovisual material). This file is generated using Google software and is also known as a "fingerprint."
Where does the reference library come from?
The reference library is generated from copies of content or from ID files that are submitted by content owners.
How accurate is Content Identification?
The solution is very accurate in finding uploads that look similar to reference files that are of sufficient length and quality to generate an effective ID File. The system is tuned to offer the best possible automated matches while eliminating most false positive matches. We are constantly tuning the system to deal with attempts to circumvent it, therefore exact rates are not available.
Why did Google Video start using Content Identification?
Google Video is committed to giving copyright owners the ability to maximize their choice in how their content is made available on the site. Content identification is the latest tool that Google Video offers content owners to more easily identify and manage the use of their content on the site.
What happens when Content ID identifies a match?
If Content ID identifies a match between a user upload and material in the reference library, it disables the user upload so that it cannot be viewed on the site. Matches can be to only the audio portion of an upload, the video portion only, or both.
How do I know if one of my videos has been matched?
You will receive an email sent to the address associated with your Google Video Account notifying you that a match has occurred. On your Google Video Status page your video will show as "Blocked."