A professional who controls audio equipment to regulate volume level and quality of sound during television broadcasts, according to script and instructions of director, technical . Responsibilities include:

• Places microphones or directs worker in placing microphones in locations that ensure quality of sound reproduction.
• Cuts microphones in, and blends output of individual microphones by adjusting volume, fader, and mixer controls.
• Monitors audio signals by earphone, loudspeaker, and by observing dials on control panel to verify quality of sound reproduction.
• Sets keys, switches, and dials to synchronize sound with picture presentation.
• Obtains tapes, records, and themes from library according to program schedule.
• Operates turntables and tape recording machines to reproduce music and audio sounds for specific programs.
• May direct adjustment of acoustical curtains and blinds within studio.