Methods and apparatus for mixing compressed digital bit streams

摘要

Methods, apparatus and articles of manufacture for mixing (200) compressed digital bit streams (230) are disclosed. An example method disclosed comprises acquiring a frame associated with a first compressed digital bit stream (220), unpacking the frame to obtain a plurality of original transform coefficient sets, and modifying the plurality of original transform coefficient sets to mix a second digital bit stream (210) with the first compressed digital bit stream (220).