KS210 Lecture Notes - Lecture 2: Dictation Machine, Magnavox, Phonograph
Document Summary
Bad taste & the politics of cool: due jan 25: 11pm. 1906 the audion: predecessor to the vacuum tube. 1925 the first moving-coil cone loudspeaker: using microphone to record, still analog record, **edison didn"t want to move towards electrical recording** wanted to stick to acoustic recording (didn"t keep up with the times) 1915 magnavox public address (pa) system: used electronic sound waves. Carbon mic > moving coil mic > type a ribbon microphone. 1921 first commercial am radio broadcast: thought would lead to demise of music industry. Film: 1927 the jazz singer, 1939 fantasia (first stereo sound recording in lm) 1925 piano serenade igor stravinsky: would record 3 minute songs so they could t onto a 78 disc, cd holds 74 minutes. Quiz answers: what was the innovative technique that les paul used to record mary ford"s voice on. 1951"s how high to the moon : standing 3 inches away from the mic.
