![]() Coincident-pair microphone arrangements produce stereo recordings with minimal phase difference between channels. This phenomenon is known as phase cancellation. Since each microphone records each wavefront at a slightly different time, the wavefronts are out of phase as a result, constructive and destructive interference can occur if both tracks are played back on the same speaker. During playback, the listener's brain uses those subtle differences in timing and sound level to triangulate the positions of the recorded objects. The two recorded channels will be similar, but each will have distinct time-of-arrival and sound-pressure-level information. ĭuring two-channel stereo recording, two microphones are placed in strategically chosen locations relative to the sound source, with both recording simultaneously. In technical usage, true stereo means sound recording and sound reproduction that uses stereographic projection to encode the relative positions of objects and events recorded. By combining multiple pan-potted mono signals together, a complete, yet entirely artificial, sound field can be created. The control which is used to vary this relative amplitude of the signal is known as a pan-pot (panoramic potentiometer). By varying the relative amplitude of the signal sent to each speaker, an artificial direction (relative to the listener) can be suggested. Secondly artificial or pan stereo, in which a single-channel ( mono) sound is reproduced over multiple loudspeakers. The signal is then reproduced over multiple loudspeakers to recreate, as closely as possible, the live sound. Stereo sound systems can be divided into two forms: the first is true or natural stereo in which a live sound is captured, with any natural reverberation present, by an array of microphones. Description Two microphones set up to record a piano simultaneously, which creates a stereo sound The word stereophonic derives from the Greek στερεός ( stereós, "firm, solid") + φωνή ( phōnḗ, "sound, tone, voice") and it was coined in 1927 by Western Electric, by analogy with the word stereoscopic. 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. ![]() Binaural sound systems are also stereophonic. 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.īecause 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. ![]() Stereophonic sound, or more commonly stereo, is a method of sound reproduction that recreates a multi-directional, 3-dimensional audible perspective. Time difference in a stereophonic recording of a car going past Notably, such electronic systems require more than one speaker. The inset shows the electronic simulation. The main diagram shows a simplified situation in nature. For other uses, see Stereo (disambiguation). After the download is complete, go to the folder or directory on your drive where you saved the pdf file, then double-click the file name to view."Stereo" and "Stereophonic" redirect here. To do this, right-click (on a Macintosh, a click and hold is the same as a right click) the link to the pdf file and choose "Save Target As." or "Save Link As." or "Save Link Target As." and specify where on your hard drive you would like to save the file. If you have any difficulty opening any of the pdf manuals above, try saving the file to your hard drive before opening it. There are compatibility issues between some browsers and some versions of Acrobat Reader / Adobe Reader. Vector Series with Vacuum Fluorescent Display Owner's Manual ![]() Vector Series with LCD Display Owner's Manual Owner's Manual Supplement for Performance Computer with VFD display STiR Plus International Installation Manual Vehicle Performance Computer STIR Plus International Quick Reference Guide Radar Detector and Laser Detector Owner's Manuals Windshield Mounted DetectorsĮxpress 926 and Express 016 Owner's Manual
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