Universal coding of band-limited sources by sampling and dithered quantization

Abstract

The authors analyze a scheme for encoding continuous time band-limited signals in which the input is sampled at Nyquist's rate or faster, the samples undergo dithered uniform or lattice quantization and the quantizer output is entropy coded. This analysis leads to explicit expressions for the trade-off between sampling rate and quantization accuracy. Also, they provide expression for the scheme's redundancy (i.e. its excess rate over the rate distortion function) in terms of the both the sampling rate and quantization resolution parameters.<>