Technology

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	Auto DolbyThe Dolby noise reduction system was invented to reduce tape noise in professional systems and called the 'Dolby A' system. A later system to reduce noise in…	Technology
	Dolby HX-ProWhen tape recording was in its infancy, the signal to be recorded was fed directly to the recording amplifiers and then on to tape. But it was soon discovered…	Technology
	Dolby Noise ReductionDolby Noise Reduction: A brief history of the Compact Cassette When the cassette tape was first introduced in the early 1960s it did not pretend to be a…	Technology