Modern stereophonic technology was invented in the 1930s by British engineer Alan Blumlein at EMI, who patented stereo records, stereo films, and also surround sound (Wikipedia - Stereophonic sound).
30 years, 50 years - I didn't mean to be historically accurate, I was talking about the past. But you are right, it was long before.
30 years, 50 years - I didn't mean to be historically accurate, I was talking about the past. But you are right, it was long before.