BCA 210 Lecture Notes - Lecture 8: Broadcast Music, Inc., Sony Bmg, Kazaa

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Thomas edison first introduced the phonograph in 1877. Berliner and eldridge johnson formed the victor talking machine company (later rca. The first standard records were at 78 rpm. Working for bcs, peter goldmark developed long-playing records. Larger than 78s, they would play for 23 minutes. William s. pales, the owner of cbs radio and cbs records wanted record players to play his new lps. David sarnoff of rca (who made record players) developed 7-inch 45 rpm records in. Later, record players would be built to play all the different speeds -- 33 , 45s, and. High fidelity = improved sound, less distortion. Songwriter berry gordy founded motown studios in 1958. Fcc approved multiplex" radio broadcasts so that both monaural and stereo could be heard on the same station. Condenser microphones were developed and brought truer sound. Eight track tapes introduced but cassettes became the standard--less expensive and more easily adaptable. Developed by philips and sony independently from the mid-to-late 1970"s.

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