An HDTV encoder for PALplus transmissions, supplemented with a digital residual signal

Dooley, Laurence S.; Buchwald, Wolf-Peter and Schmidt, Gunnar (1996). An HDTV encoder for PALplus transmissions, supplemented with a digital residual signal. In: 3rd IEEE International Conference on Signal Processing (ICSP '96), 14-18 Oct 1996, Beijing, China.

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DOI (Digital Object Identifier) Link:	http://dx.doi.org/doi:10.1109/ICSIGP.1996.566317
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Abstract

This paper discusses the design of a video encoder which will enable PALplus compatible HDTV transmission, by embedding a digital residual component within the standard analogue PALplus television signal. The design strategy includes a 2-D diagonal prefilter, together with a QMF band-splitting filter pair, from which the residual is initially derived. The performance of these filters is reviewed, especially in respect of the errors introduced by aliasing and crosstalk distortion. A number of different digital modulation techniques are then examined for the transmission of the residual signal and a qualitative appraisal of their effectiveness presented

Item Type:	Conference Item
Academic Unit/Department:	Mathematics, Computing and Technology > Communication and Systems
Interdisciplinary Research Centre:	Centre for Research in Computing (CRC)
Item ID:	16689
Depositing User:	Laurence Dooley
Date Deposited:	08 Jun 2009 10:01
Last Modified:	21 May 2013 18:53
URI:	http://oro.open.ac.uk/id/eprint/16689

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