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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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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 > Computing & Communications
Mathematics, Computing and Technology
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: 13 Feb 2016 19:45
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