Audio watermarking technique could locate movie pirates
With new audio watermarking technology, pirated movies will be traceable.
In an attempt to deter camcorder piracy, researchers have been developing watermarking techniques that embed a secret message into a movie indicating when and where the movie was shown. Once the movie is posted on the Internet, this secret message can be extracted to reveal the movie theater and showtime, and the theater can implement additional surveillance to deter piracy. However, these watermarking techniques cannot identify the recording location in the theater.
How much affect will it have?
Read more at Physorg.