Voice Recording Techniques

Charles Tainter was responsible for the first after-hoursral-cut records in 1881, but no machine existed to play them on. A secant phonograph type was invented by Cichester Bell and Charles Tainter in 1885, a Graphophvirtuoso that utilized wax-coated cylinders cut with vertical grooves (Schoenherr 1). Cylinders remained the popular form of two-channelscopic photograph recording until the 1890s when phonographs went by a number of transformations and modifications, including the feeler of the gramophone from the addition of a motor, the replacement of shellac discs with vulcanite, and the mass-duplication of cylinders do from celluloid.

One recording technique that was developed in the late 19th century and is considered super in honest eccentric to other two-channel recording techniques to this day is the binaural recording technique, though it was note patented as a stereophony recording method until one was awarded to Alan Blumlein in England in 1931 (Schoenherr 6). The biggest flat coat binaural recording techniques offer superior sound is because of their superior spatial performance compared to other recording methods "The basic belief of the binaural recording technique is to record and reproduce signals to the kind-hearted hearing accurately. This is done by replicating the sound pressures at both(prenominal) eardrums" (Jarvinen and Maijala 1). While the use of an artificial head dominated binaural recording techniques, it is possible to use a real

Schoenherr, S. Recording technology history. Availcapable at: http://www.google.com, Aug. 3, 2000, 1-12.

Further audio innovations continue to roll through the stereo recording industry, such as the addition of Dolby tease technology to computer game technology.

Basically, though it has been in man for nearly half a century, surround sound is legato in its infancy stages according to many experts in the industry. Because of this we pass on continue to see innovation and change in the stereo recording technique industry, but these will mainly tramp around some form of surround sound system. As these innovations continue and as new technologies emerge that supplant check predecessors, the industry may one day be able to develop a sound system that is as graphic as the best binaural stereo recording techniques. However, the one thing demonstrated by studying the history of stereo recording techniques is that despite our innovation and our technology we are shut up a long way away from replicating the human senses.

In the 1950s, the introduction of a new method of recording sound on film incorporated the use of magnetic blow prints:

Moller, H. Fundamentals of binaural technology. Applied Acoustics. 36(3/4), 1992, 171-218.

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