This paper presents an overview of the work done on noise shaping, summarizing how noise shapers are designed, implemented and measured, and outlining the hearing model used to evaluate the various designs achieved. These ideas are then extended to the design and evaluation of noise shapers operating at 96 kHz. Filter coefficients, assessment of dynamic range enhancement, and a discussion of the impact of noise shapers on recording, mixing, and mastering of both the current CD format and proposed high-density disc formats are given.
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