Re-recording mixer
Encyclopedia
A re-recording mixer, formerly known as a dubbing mixer, is a person who is part of a post-production sound team and works specifically with dialog, music and sound effects to create the final soundtrack for a production. They are responsible for ensuring that the sound in a film
Film
A film, also called a movie or motion picture, is a series of still or moving images. It is produced by recording photographic images with cameras, or by creating images using animation techniques or visual effects...

 or television program
Television program
A television program , also called television show, is a segment of content which is intended to be broadcast on television. It may be a one-time production or part of a periodically recurring series...

 is technically correct, and as near to the director
Film director
A film director is a person who directs the actors and film crew in filmmaking. They control a film's artistic and dramatic nathan roach, while guiding the technical crew and actors.-Responsibilities:...

's or sound design
Sound design
Sound design is the process of specifying, acquiring, manipulating or generating audio elements. It is employed in a variety of disciplines including filmmaking, television production, theatre, sound recording and reproduction, live performance, sound art, post-production and video game software...

er's original idea.

Re-recording mixers prepare an initial film soundtrack for audience previews by performing tasks such as mixing
Audio mixing (recorded music)
In audio recording, audio mixing is the process by which multiple recorded sounds are combined into one or more channels, most commonly two-channel stereo. In the process, the source signals' level, frequency content, dynamics, and panoramic position are manipulated and effects such as reverb may...

 and cross-fading
Fade (audio engineering)
In audio engineering, a fade is a gradual increase or decrease in the level of an audio signal. The term can also be used for film cinematography or theater lighting, in much the same way ....

 the sound, and adding a temporary music soundtrack that will have been prepared by the music editor. After the previews, the film is usually re-cut and the sound is mixed once more. Once the film is given its final approval by the producer and financial backers, the re-recording mixer works towards a final surround sound
Surround sound
Surround sound encompasses a range of techniques such as for enriching the sound reproduction quality of an audio source with audio channels reproduced via additional, discrete speakers. Surround sound is characterized by a listener location or sweet spot where the audio effects work best, and...

mix.

A re-recording mixer is someone, or a team of two or three individuals who, working with the Director of a film or television show achieve the desired sonic balance between dialog, sound effects, and music. The first part of the traditional re-recording process is called the "premix." In the dialog premix the re-recording mixer does preliminary processing, including making initial loudness adjustments and reducing environmental noise that the on-set microphone picked up during the shooting of the scene.

In the previous phase of post production, sound editors and sound designers have assembled many sounds for each scene. During the "final mix" the re-recording mixers, guided by the director, make creative decisions from moment to moment in each scene about not only how loud each major sound element (dialog, sound effects, and music) should be relative to each other, but they also modify individual sounds when desired by adjusting their loudness and spectral content, by adding artificial reverberation, and by placing sounds in the three dimensional space of the listening environment for a variety of venues and release formats: movie theaters, home theater systems, etc. that have multi-channel (5.1 7.1, etc.) sound systems.
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