Abstract
A method allowing the identification of wavelength, frequency and head-medium interface effects in the replay process in magnetic recording is described. It involves the measurement of replay bulk erased noise spectra at a number of replay head-medium speeds. As an example, a particulate medium is examined using a fixed head instrumentation tape recorder. A set of parameters is derived from the spectra obtained in order to characterize the medium noise process. Increased head-medium speeds have been shown to result in an increased head-medium separation parameter on replay.
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