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Among the earliest covert listening devices used in the United States of America was the dictograph, an invention of Kelley M. Turner patented in 1906 (US Patent US843186A). [7] It consisted of a microphone in one location and a remote listening post with a speaker that could also be recorded using a phonograph.
The Gray Audograph was a dictation machine format introduced in 1945. It recorded sound by pressing grooves into soft vinyl discs. [1] [2] The Audograph recorded on thin vinyl discs of 15cm diameter, recording from the inside to the outside, the opposite of conventional gramophone records. Unlike conventional records, the disc was driven by a ...
Soundscriber machine from 1944 advertisement. SoundScriber is a dictation machine introduced in 1945 by The SoundScriber Corp. (New Haven, Connecticut, United States). [1] It records sound with a groove embossed into soft vinyl discs with a stylus. [1] [2] [3] Similar competing recording technologies are the Gray Audograph and Dictaphone DictaBelt.
The Volta Laboratory was established by Alexander Graham Bell in Washington, D.C. in 1881. When the Laboratory's sound-recording inventions were sufficiently developed with the assistance of Charles Sumner Tainter and others, Bell and his associates set up the Volta Graphophone Company, which later merged with the American Graphophone Company (founded in 1887) which itself later evolved into ...
Zoom Corporation was founded in Tokyo in 1983 and in 2004, established ZOOM HK LTD as a logistics base in Hong Kong. In 2009, it set up ZOOM Dongguan Corporation (China) as a quality control operation; [3] 2013, formed ZOOM North America, LLC (US) as a distribution base; 2017, listed on Tokyo Stock Exchange JASDAQ (Standard); [4] [5] In 2018, acquired shares of Mogar Music S.p.A. (Italy ...
Many recording studios retooled to support end to end digital production. MCI was one of several major equipment manufacturers that backed Sony's new Digital Audio Stationary Head digital recording standard. In the early 1980s Sony wanted to extend its business operations into the US manufacturing sector and approached Harned with a buyout offer.
The machine's playback head was also missing. Otherwise, with some reconditioning, they could be placed into working condition. [1] The waxed tape recording medium was later refined by Edison's wax cylinder, and became the first widespread sound recording technology, used for both entertainment and office dictation. However, recordings on wax ...
The film's title sequence begins with a series of cards announcing that “In 1925 the invention of electrical sound recording revolutionized the phonograph industry.In 1926 this equipment was taken across America to record rural music for the very first time – blues, gospel, Cajun, country, Hawaiian, Native American and more…Only a few of these machines were made, and none are known to ...