[Marc Wielage]

On Jun 27, 2007, commented:

EMI did not use noise-reduction on the Beatles tapes.
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Not during the original sessions, no. Dolby A NR started in 1966, but for
whatever reason, it wasn't used often at EMI until the late 1960s (and never
on a Beatles session, as far as I know).

But as far as computerized noise cleanup processing goes, EMI has used either
NoNoise or CEDAR for some of the remastered 1990s CD reissues, particularly
the "The Beatles: 1962-1966" and "The Beatles: 1967-1970" boxed sets, plus
the "Yellow Submarine Soundtrack," among others.

Fans have a mixed reaction to NoNoise, some citing artifacts and a loss of
ambience (particularly in some of George Harrison's and John Lennon's solo
albums on CD).

--MFW