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Entries found for search: aural

aural : Of, relating to, or perceived by the ear.

binaural : Literally, "having two ears." Because humans have two ears spaced apart by the width of the head, the human hearing mechanism can make use of amplitude, phase (arrival time) and spectral (frequency response) cues to help determine the direction from which a perceived sound is coming. See binaural synthesis.

binaural synthesis : A type of recording-playback system where two microphone inputs are specially processed to simulate the frequency-dependent time delays that would occur between the ears on a human head. The binaural localization cues are preserved, and the listener is able to achieve localization of sounds as if s/he were actually at the site where the recording was made, despite the fact that binaural recording has no ability to accurate image the sound.. Also called dummy head recording.

circumaural : A headset with a large cushion which surrounds the ear to exclude external noise, unlike supraaural or intraaural designs.

monaural : Literally, "one hearing." Monaural refers to a sound system with only one channel, regardless of the number of loudspeakers used, as opposed to stereophonic, which must employ more than one independent channel. See mono.

sequential monaural : A single bit stream read from a CD is a really one-channel serial datastream, with time-division multiplexing used to interlace the left and right audio channels. See CD-ROM

supraaural : Literally, "on top of the ear." This term refers to headsets that rest on the outer ear. They are necessarily light in weight and do not exclude external sounds very well. The opposite of circumaural.

transaural audio : The use of psychoacoustics to give the listener the illusion of sound coming from all around, even though there are only two loudspeakers. The listener must be positioned on the center line of the two speakers to correctly perceive the phantom images. An example is the QSound™ system. Also called psychoacoustic surround soundsurround-sound, or fifty-yard line surround.

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