Methods and apparatus to generate and use content-aware watermarks

摘要

Methods and apparatus to generate and use content-aware watermarks are disclosed herein. In a disclosed example method, media composition data is received and at least one word present in an audio track of the media composition data is selected. The word is then located in a watermark.

主权项

1. A method, comprising:
obtaining a plurality of words present in an audio track of a media composition, the plurality of words to be audible during playback of the audio track; selecting at least one of the words based on weight values for a plurality of terms respectively corresponding to the words, and the corresponding weight values of the at least one of the words being greater than a weight value of the ones of words which is not selected; and encoding the selected word in a watermark.