pressure microphone
21Laser microphone — A laser microphone is a surveillance device that uses a laser beam to detect sound vibrations in a distant object. The object is typically inside a room where a conversation is taking place, and can be anything that can vibrate (for example, a… …
22carbon microphone — noun A microphone containing carbon granules, whose electrical resistance varies with pressure …
23dynamic microphone — F/A/V a pressure sensitive microphone of moving coil design that transduces sound into electricity using electromagnetic principles …
24Measuring instrument — Captain Nemo and Professor Aronnax contemplating measuring instruments in Twenty Thousand Leagues Under the Sea …
25sound reception — Introduction response of an organism s aural mechanism, the ear, to a specific form of energy change, or sound waves. Sound waves can be transmitted through gases, liquids, or solids, but the hearing function of each species is particularly …
26PZM — Pressure Zone Microphone (Academic & Science » Ocean Science) Pressure Zone Microphone (Academic & Science » Chemistry) * Purity Zinc Metals (Business » Firms) * Polska Zegluga Morska (Polish Steamship Company) (Business » Firms) * Pittston… …
27Proximity effect (audio) — The proximity effect in audio refers to a change in the frequency response of a directional microphone as the sound source is brought close to the microphone. The result of the change is a disproportionate increase in the bass response of the… …
28Headphones — For other uses, see Headphones (disambiguation). Sennheiser HD555 headphones, used in audio production environments …
29Comparison of analog and digital recording — This article compares the two ways in which sound is recorded and stored. Actual sound waves consist of continuous variations in air pressure. Representations of these signals can be recorded using either digital or analog techniques. An analog… …
30electromechanical transducer — ▪ instrument Introduction any type of device that either converts an electrical signal into sound waves (as in a loudspeaker) or converts a sound wave into an electrical signal (as in the microphone). Many of the transducers used in… …
