The document summarizes the sounds used in the Call of Duty: Black Ops 2 opening cutscene. It describes the setting as an enclosed place like a bedroom, with background sounds of a closing window and siren. The mood is described as dark and scary, enhanced by voices and increasing background noise. The game genre is identified as a first-person shooter action/thriller. The narrative involves three voices - a girl speaking alone then joined by a boy before a siren sounds and a third voice directs them to the basement. The production techniques identified are MIDI for background music, field recording for ambient sounds, and studio recording for voices.