[{"n": "Microphone", "u": "/e/headphones-mics-and-mice/microphone/", "s": "A transducer that converts sound into an electrical signal."}, {"n": "Wireless microphone", "u": "/e/headphones-mics-and-mice/wireless-microphone/", "s": "A cable-free microphone using radio waves for audio transmission."}, {"n": "Pointer (user interface)", "u": "/e/headphones-mics-and-mice/pointer-user-interface/", "s": "A graphical symbol echoing pointing device movement for user interaction."}, {"n": "Touchpad", "u": "/e/headphones-mics-and-mice/touchpad/", "s": "A flat pointing device that translates finger motion into cursor control."}, {"n": "Trackball", "u": "/e/headphones-mics-and-mice/trackball/", "s": "A stationary pointing device with an exposed rolling ball."}, {"n": "Pointing stick", "u": "/e/headphones-mics-and-mice/pointing-stick/", "s": "An isometric pointing device that senses force, not movement."}, {"n": "Microphone connector", "u": "/e/headphones-mics-and-mice/microphone-connector/", "s": "A connector linking microphones to audio equipment across consumer and professional systems."}, {"n": "Gruppenhorchgerät", "u": "/e/headphones-mics-and-mice/gruppenhorchger-t/", "s": "German WWII hydrophone array using piezoelectric crystals and phased-array steering."}, {"n": "Ribbon microphone", "u": "/e/headphones-mics-and-mice/ribbon-microphone/", "s": "A bidirectional velocity microphone using a thin metal ribbon."}, {"n": "Lavalier microphone", "u": "/e/headphones-mics-and-mice/lavalier-microphone/", "s": "A small hands-free microphone clipped to clothing for broadcast and performance."}, {"n": "Soundfield microphone", "u": "/e/headphones-mics-and-mice/soundfield-microphone/", "s": "A tetrahedral microphone array for Ambisonic surround sound recording."}, {"n": "Wii Speak", "u": "/e/headphones-mics-and-mice/wii-speak/", "s": "A room-wide USB microphone accessory for the Wii console."}, {"n": "Throat microphone", "u": "/e/headphones-mics-and-mice/throat-microphone/", "s": "A contact microphone that picks up speech via throat vibrations."}, {"n": "Microphone stand", "u": "/e/headphones-mics-and-mice/microphone-stand/", "s": "A free-standing mount for positioning a microphone without a person holding it."}, {"n": "Light pen", "u": "/e/headphones-mics-and-mice/light-pen/", "s": "A light-sensitive wand that detects CRT phosphor glow for screen interaction."}, {"n": "Valve microphone", "u": "/e/headphones-mics-and-mice/valve-microphone/", "s": "A condenser microphone using a valve amplifier for its distinctive sound."}, {"n": "Xmouse", "u": "/e/headphones-mics-and-mice/xmouse/", "s": "Mouse control system that selects objects by hovering."}, {"n": "Noise-canceling microphone", "u": "/e/headphones-mics-and-mice/noise-canceling-microphone/", "s": "Filters ambient noise for clearer communication in noisy environments."}, {"n": "Microphone preamplifier", "u": "/e/headphones-mics-and-mice/microphone-preamplifier/", "s": "A device that boosts weak microphone signals to usable line level."}, {"n": "Parabolic microphone", "u": "/e/headphones-mics-and-mice/parabolic-microphone/", "s": "Directional microphone using a parabolic reflector to capture distant sounds."}, {"n": "Mic drop", "u": "/e/headphones-mics-and-mice/mic-drop/", "s": "A gesture of dropping a microphone to signal triumph."}, {"n": "Stump microphone", "u": "/e/headphones-mics-and-mice/stump-microphone/", "s": "A microphone embedded in a cricket stump."}, {"n": "Contact microphone", "u": "/e/headphones-mics-and-mice/contact-microphone/", "s": "A microphone that senses vibrations through contact with solid objects."}]