The audio titled "Proficiency" begins with the familiar crackle of a police radio, immediately setting a tense and serious atmosphere. The communication is clear and professional, highlighting the proficiency of the police force in managing challenging situations. There is a consistent use of standard police codes, also known as 'cdp', which further underlines the efficiency and competency of the police team. The radio transmissions are intermittently overlaid with a calm, authoritative voice explaining the necessity and importance of proficiency in this type of high-pressure, demanding work environment. The audio ends with an emphasis on continuous learning and improvement, reinforcing the ongoing commitment to proficiency within the police force.