A signal processing technique, in which some processing is done before recording, with equal-and-opposite (complementary) processing during playback. Well known examples are noise reduction systems and tape recorder pre-and post-emphasis. See Non-Complementary Signal Processing.
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Complementary signal processing --
A signal processing technique, in which some processing is done before recording, with equal-and-opposite (complementary) processing during playback. Well known examples are noise reduction systems and tape recorder pre-and post-emphasis. See Non-Complementary Signal Processing.
