Dolby A: Difference between revisions

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	'''Dolby A''' is a noise reduction process created by Dolby Laboratories. It is used in many aspects of analog recording but for the purposes of Sprocket School we will be talking exclusively about its use with 35mm with stereo optical tracks and 70mm film prints with [[magnetic ~~soundtrack/ mag tracks~~]]. Dolby A can be used to refer to the noise reduction process itself, or to the stereo optical track found on 35mm prints. It is a 4 channel format- left, center, right and surround.		'''Dolby A''' is a noise reduction process created by Dolby Laboratories. It is used in many aspects of analog recording but for the purposes of Sprocket School we will be talking exclusively about its use with 35mm with stereo optical tracks and 70mm film prints with [[magnetic soundtracks]]. Dolby A can be used to refer to the noise reduction process itself, or to the stereo optical track found on 35mm prints. It is a 4 channel format- left, center, right and surround.

	'''It was in use from approximately 1975 to 1986, when it was largely replaced by [[Dolby SR]].'''		'''It was in use from approximately 1975 to 1986, when it was largely replaced by [[Dolby SR]].'''