5.1 SurroundSix-channel surround sound: front left, center, front right, rear left, rear right, and subwoofer (LFE). Standard for theatrical and premium streaming.7.1 SurroundEight-channel surround sound adding two additional side channels. Used for premium theatrical and home theater experiences.Audio StemsSeparate audio tracks for dialogue, music, and effects that can be mixed independently. Useful for re-versioning and international releases.Captions/CCClosed Captions - Text overlay of dialogue and sound descriptions that can be turned on/off. Required for accessibility compliance.DNxHRAvid's professional video codec, similar to ProRes. Used widely in post-production for high-quality intermediate files.Frame RateThe number of individual frames displayed per second. Common rates: 23.976fps (film), 24fps, 25fps (PAL), 29.97fps (NTSC), 30fps.IMFInteroperable Master Format - A standardized file format for delivering master content to multiple platforms. Preferred by Netflix and other major streamers.M&E TrackMusic & Effects Track - An audio mix containing only music and sound effects, without dialogue. Essential for international dubbing.MasterThe final, highest-quality version of your film from which all distribution copies are made. Also called the 'delivery master.'MezzanineA high-quality intermediate file format used for transcoding to various delivery formats. Lower than master quality but still broadcast-grade.ProResApple's professional video codec known for high quality and efficient editing. Common formats include ProRes 422, ProRes 422 HQ, and ProRes 4444.QCQuality Control - Technical review process to ensure video and audio meet platform specifications. Checks for issues like audio sync, color, and encoding errors.ResolutionThe dimensions of the video image. HD (1920x1080), 4K/UHD (3840x2160), 2K (2048x1080).SDHSubtitles for the Deaf and Hard of Hearing - Similar to closed captions but formatted as subtitles. Includes speaker identification and sound descriptions.Stereo 2.0Standard two-channel audio (left and right). The minimum audio format required by most platforms.Textless ElementsClean versions of shots containing on-screen text (titles, credits, graphics) without the text. Needed for foreign language versions.