Binaural (other)
Binaural literally means "having or relating to two ears." Binaural hearing, along with frequency cues, lets humans and other animals determine the direction and origin of sounds. Similar to diotic which is used in psychophysics to describe an auditory stimulus presented to both ears. Binaural may also refer to: * ''Binaural'' (album), by Pearl Jam * Binaural beats, auditory processing artifacts * Binaural recording, a method of recording audio which uses a special stereophonic microphone arrangement See also * Sound localization Sound localization is a listener's ability to identify the location or origin of a detected sound in direction and distance. The sound localization mechanisms of the mammalian auditory system have been extensively studied. The auditory system us ...

Binaural (album)
''Binaural'' is the sixth studio album by American rock band Pearl Jam, released May 16, 2000, through Epic Records. Following a full-scale tour in support of its previous album, '' Yield'' (1998), Pearl Jam took a short break before reconvening toward the end of 1999 to begin work on a new album. During the production of the album, the band encountered hindrances such as singer Eddie Vedder's writer's block, and guitarist Mike McCready's entrance into rehabilitation due to an addiction to prescription drugs. This is Pearl Jam's first album to feature former Soundgarden drummer Matt Cameron, who joined during 1998's Yield Tour to replace Jack Irons. The music on the album featured an experimental sound, evident on songs that used binaural recording techniques. The atmospheric tracks, mostly featuring somber lyrics dealing with social criticism, led the band to convey these themes with images of nebulas in the album artwork. ''Binaural'' received positive reviews, and debuted ...
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Binaural Beats
In acoustics, a beat is an interference pattern between two sounds of slightly different frequencies, ''perceived'' as a periodic variation in volume whose rate is the difference of the two frequencies. With tuning instruments that can produce sustained tones, beats can be readily recognized. Tuning two tones to a unison will present a peculiar effect: when the two tones are close in pitch but not identical, the difference in frequency generates the beating. The volume varies like in a tremolo as the sounds alternately interfere constructively and destructively. As the two tones gradually approach unison, the beating slows down and may become so slow as to be imperceptible. As the two tones get further apart, their beat frequency starts to approach the range of human pitch perception, the beating starts to sound like a note, and a combination tone is produced. This combination tone can also be referred to as a missing fundamental, as the beat frequency of any two tones is equivale ...
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Binaural Recording
Binaural recording is a method of recording sound that uses two microphones, arranged with the intent to create a 3-D stereo sound sensation for the listener of actually being in the room with the performers or instruments. This effect is often created using a technique known as dummy head recording, wherein a mannequin head is fitted with a microphone in each ear. Binaural recording is intended for replay using headphones and will not translate properly over stereo speakers. This idea of a three-dimensional or "internal" form of sound has also translated into useful advancement of technology in many things such as stethoscopes creating "in-head" acoustics and IMAX movies being able to create a three-dimensional acoustic experience. The term "binaural" has frequently been confused as a synonym for the word "stereo", due in part to systematic misuse in the mid-1950s by the recording industry, as a marketing buzzword. Conventional stereo recordings do not factor in natural ...
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Stereophonic
Stereophonic sound, or more commonly stereo, is a method of sound reproduction that recreates a multi-directional, 3-dimensional audible perspective. This is usually achieved by using two independent audio channels through a configuration of two loudspeakers (or stereo headphones) in such a way as to create the impression of sound heard from various directions, as in natural hearing. Because the multi-dimensional perspective is the crucial aspect, the term ''stereophonic'' also applies to systems with more than two channels or speakers such as quadraphonic and surround sound. Binaural sound systems are also ''stereophonic''. Stereo sound has been in common use since the 1970s in entertainment media such as broadcast radio, recorded music, television, video cameras, cinema, computer audio, and internet. Etymology The word ''stereophonic'' derives from the Greek (''stereós'', "firm, solid") + (''phōnḗ'', "sound, tone, voice") and it was coined in 1927 by Western Ele ...
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