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actor actress advertising audio band business camera card channels cine clapper clapperboard colloquy communication conference decibel dictaphone digital display electronic equipment fast fidelity forward gain gray hand handheld hearing hertz high interview journalist language lcd left less level light meeting memo meters micro microphones mikes movie music needles news object parley pause play pocket portable power pressman professional recorder reporter right scale session set shining slate sound spot spy steel stop talk talking tape testimonial vmeters