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In Reply to: RE: Fremer's ZENITH ANGLE CORRECTION or have we all gone crazy. posted by flood2 on February 15, 2021 at 19:50:44:
White noise has equal intensity at different frequencies. In other words, the energy of white noise in-between 10-Hz and 20-Hz is the same as the white noise energy in-between 1000-Hz and 1010-Hz. Because of this, a phono cartridge will have a 6-dB per octave increase in amplitude when reproducing white noise.
Pink noise, on the other hand, has equal energy per octave. This means that the pink noise energy between 10-Hz and 20-Hz is the same as the pink noise energy between 1000-Hz and 2000-Hz. Therefore, pink noise produces a flat frequency response when reproduced by a velocity sensitive phono cartridge.
RIAA equalization is different from either of these. The RIAA recording curve and the RIAA playback curve are pictured below.
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Follow Ups
- RE: Fremer's ZENITH ANGLE CORRECTION or have we all gone crazy. - John Elison 08:58:40 02/16/21 (1)
- RE: Fremer's ZENITH ANGLE CORRECTION or have we all gone crazy. - flood2 00:37:58 02/18/21 (0)