Wannamaker, R.A., "Subtractive and Non Subtractive Dithering: A Comparative
Analysis," J. Audio Eng. Soc., vol. 52 (Dec. 2004).
An analysis of subtractively and non-subtractively dithered
quantizing systems, with and without noise-shaping error feedback, is
presented. Detailed comparison of their
relative advantages and disadvantages is made, including
their inherent signal-to-noise ratios and the requirement for
knowledge of the dither signal at the output of subtractive systems.
A practical discussion of the implications is presented as well as
the most thoroughgoing mathematical analysis of either system which
currently exists in print.