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.

DOI: https://doi.org/10.1109/ICSIGP.1996.566317

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

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About

• Item ORO ID
• 16689
• Item Type
• Conference or Workshop Item
• Academic Unit or School
• Faculty of Science, Technology, Engineering and Mathematics (STEM) > Computing and Communications
  Faculty of Science, Technology, Engineering and Mathematics (STEM)
• Research Group
• Centre for Research in Computing (CRC)
• Depositing User
• Laurence Dooley