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- W201127977 abstract "This paper describes a motion-compensated Subband/VQ based HDTV compression scheme for satellite distribution and broadcast. The scheme has low encoding/decoder complexity and yields high quality compressed HDTV at bit rates around 45 Mbit/s. A proof-of-concept hardware prototype has been developed to verify the proposed scheme. The 2-D subband processing is implemented by using programmable QMF filters and various subband analysis/synthesis filters can be experimented with. A bit rate estimator was incorporated to calculate the average bit rate over a given interval and the rate information was collected for an HDTV sequence approximately 400 seconds long. This rate information has shown that the proposed system can achieve high quality HDTV coding at about 45 Mbit/s. If operated in a variable rate mode, it is capable of delivering near-transparent quality at a mean rate of approximately 27 Mbit/s with a peak rate of 52 Mbit/s, both rates being averaged over 30 frames." @default.
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- W201127977 date "1994-01-01" @default.
- W201127977 modified "2023-09-27" @default.
- W201127977 title "A Subband/VQ Based HDTV Coding Scheme for Satellite Distribution and Broadcast" @default.
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