Sound Director

  The sound designer or sound director controls everything in the sound department. He or she is the sound director of the film. Walter Murg was the first sound designer of the world and he directed the sound department in God Father and Apocalypse etc.

Sound Engineer

he or she is the technical head of the sound department. He or she decides whatever is related to sound. 

Sound Recording Artist

They monitor the boom operator and the audio of the boom. Both him and the boom operator work under sound engineer.

Boom Operator

Boom operator use a shotgun microphone attached to a boom to record sound. He works with the sound recording artist. Shotgun Mic is a directional mic which does not capture background noise. It is the most commonly used.

Composer

Composer in a film designs and develops music or background music in a film. He is the head musician of a film. He knows the best of what music could be used in the film

Sound Mixing

After sound editing, sound mixer does the finalization of the film's sound. He finalizes all the effects, dialogues and levels etc.