They remove the non-English spoken portion of the audio and sync the remaining portion, which contains high quality sound effects and music with a previously recorded source of English vocals usually taken from a LiNE tagged release. The result of this process is an almost retail DVD quality surround sound audio track which is included in the movie release. Releases of this type are normally tagged AC3.5.1.HQ and details about what was done to the audio track as well as the video are present in the release notes accompanying the pirated movie.[14]