Final sound mixing and exporting is the final step in film and television production, which involves the mixing and integration of audio and video, and outputting the film into the final format for playback and distribution. Final mixing refers to the mixing and integration of completed audio material to achieve the best sound effect of the film. The final sound mix needs to be precisely adjusted and processed according to the sound effect requirements of the film and the director's requirements, so as to achieve the best sound effect. The final mix usually includes processing and adjustments to music, sound effects, voice acting, and more. Export refers to outputting the completed movie into the final format for playback and distribution. Exporting needs to select the appropriate output format and resolution according to the playback platform and viewing device of the movie to ensure the playback effect and quality of the movie. Export usually includes the setting and adjustment of parameters such as selecting the output format, resolution, and bit rate.