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An Audio-Technica AT815a shotgun microphone An Audio-Technica AT95E moving magnet phono cartridge AT3035 microphone. One of their most famous products was a battery-operated, portable record player called Mister Disc that was sold in the US in the early 1980s.
Boundary microphone (Audio-Technica ATM87R) A boundary microphone (or pressure zone microphone) is one or more small omnidirectional or cardioid condenser mic capsule(s) positioned near or flush with a boundary (surface) such as a floor, table, or wall. The capsule(s) is/are typically mounted in a flat plate or housing.
Sound calibrators are used in an identical way to pistonphones, providing a known sound pressure field in a cavity to which a test microphone is coupled. Sound calibrators are different from pistonphones in that they work electronically and use a low-impedance (electrodynamic) source to yield a high degree of volume independent operation.
An Audio-Technica shotgun microphone The interference tube of a shotgun microphone. The capsule is at the base of the tube. Shotgun microphones are the most highly directional of simple first-order unidirectional types. At low frequencies, they have the classic polar response of a hypercardioid, while at medium and higher frequencies an ...
Among these, Stereo Review was notable for its lab test reports, listening evaluations, and new equipment reviews by Julian Hirsch. [8] Buying guides such as What Hi-Fi? focus on news and reviews of stereo speakers, TVs, amplifiers, headphones, soundbars, projectors, tablets and turntables.
A single studio-quality microphone can cost $5,000 or more, while consumer-quality recording microphones can be bought for less than $50 each. Microphones also need some type of microphone preamplifier to prepare the signal for use by other equipment. These preamplifiers can also have a major effect on the sound and come in different price ...
A special tool, called a valve hammer, or tube hammer was sometimes used to safely tap the device suspected of being microphonic, while it was operating, so checking if such a tap would produce objectional audio effects. [1] Microwave tube designers took numerous steps to reduce microphonics in klystrons. Where tuning was essential, a ...
A codec listening test is a scientific study designed to compare two or more lossy audio codecs, usually with respect to perceived fidelity or compression efficiency. Most tests take the form of a double-blind comparison. Commonly used methods are known as "ABX" or "ABC/HR" or "MUSHRA". There are various software packages available for ...