directional microphone


Also found in: Dictionary, Thesaurus.
Related to directional microphone: Parabolic microphone, Shotgun microphone

directional microphone

[də′rek·shən·əl ′mī·krə‚fōn]
(engineering acoustics)
A microphone whose response varies significantly with the direction of sound incidence.
References in periodicals archive ?
When the directional response pattern is highly symmetric about the reference axis, which is commonly the case for directional microphones isolated in a free field, Q can be determined from data obtained only in the horizontal plane at [alpha] = 0[degrees] between the azimuth angles of 0[degrees] and 180[degrees] (11), (12).
Assessment of a directional microphone array for hearing-impaired listeners.
A second method, generally referred to as "automatic directional," switches the directional microphone on automatically in noisy environments.
Designed to work with PC telephony and voice recognition software, the AT&T Directional Microphone SDM 1100 is a set-top box that allows for voice activated dialing.
It comes with a headset with a directional microphone, but with new support for wideband Bluetooth, you can also dictate over wireless microphones.
Including a directional microphone, the system is approximately 25 times more sensitive than most human ears.
INFINITI Pro is equipped with digital, single-channel processing with additional frequency-response-shaping parameters; expanded dynamic range; microphone noise reduction; Directional Microphone System available on ITE, HS, and ITC models; and Switchless[TM] Telecoil, which allows users to conduct telephone conversations without having to manually adjust their hearing aids.
A highly sensitive directional microphone, mounted close to the sample product, picks up only relevant high frequencies emitted by crispy foods and filters out those emitted by the texture analyzer itself.
The Beam Forming directional microphone technology provides crystal clear recordings of voice notes, lectures and interviews.
This project develops and tests an easy to use and unobtrusive hearing aid accessory that utilizes a directional microphone array: to improve understanding of speech in noisy environments.
It is also equipped with a core digital sound processor; an enhanced Directional Microphone System; two channels, flexible compression kneepoints and ratios, plus additional frequency-shaping tools; Power on Delay; and signal indicators for program changes and low-battery condition.
TRIANO's innovative enhancements include optimized fitting and sound processing, with improved sound quality and patient satisfaction; more directional options on most models; a new sports program and enhanced settings for music and telephone environments, to enhance patient benefits; patient-friendly on/off battery compartment door operation and an improved program button for patient convenience (TRIANO 3 BTE); and quick and easy demonstration of TRIANO directional microphone system benefits.

Full browser ?