HPS202H1 Lecture : HPS202 Industrialization of Sound

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Phonograph first dev by edison 1877 as dictation machine: doesn"t see potential as mass product, dev for business purposes. 1887 bell takes over, works to produce mass market playback machine: public appeal demonstrated in exhibitions. 1900 dev of electroforming process to allow mass reproduction of records: decrease regional music but increase isolation of entertainment, i. e. jazz. 1902 recording by enrico caruso sells 1 million copies. 1914 phonograph well est as first home electronic entertainment device. 1880s james clerk maxwell and heinrich hertz perform experiments with producing and stabilizing electromagnetic waves. 1901 guglielmo marconi produces long distance wireless device, made use of morse telegraph key and morse code, designed for ship to shore communication, not expected to be tool of mass comm (require massive energy) 1913 research labs begin trying to create stable vacuum tube. Thursday, october 13, 2011: national broadcasting corporation, radio ntwk formed by rca, ge and.

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