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Roberto del Rosario
Karaoke Inventor
Roberto del Rosario, a Filipino is claiming the right for the invention of the Sing-Along-System (SAS) in 1975 that eventually led to the development of Karaoke, a Japanese term for "singing without accompaniment". Roberto del Rosario is the president of the Trebel Music CorporationAmong del Rosario's other inventions were the Trebel Voice Color Code (VCC), the piano tuner's guide, the piano keyboard stressing device, the voice color tape, and the one-man-band (OMB). The OMB was later developed as the Sing-Along-System (SAS).
Roberto del Rosario described his sing-along system as a handy multi-purpose compact machine which incorporates an amplifier speaker, one or two tape mechanisms, optional tuner or radio and microphone mixer with features to enhance one's voice, such as the echo or reverb to stimulate an opera hall or a studio sound, with the whole system enclosed in one cabinet casing.
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