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Recursive Source Coding - A Theory for the Practice of Waveform Coding (Paperback, Softcover reprint of the original 1st ed. 1986)
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Recursive Source Coding - A Theory for the Practice of Waveform Coding (Paperback, Softcover reprint of the original 1st ed. 1986)
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The spreading of digital technology has resulted in a dramatic
increase in the demand for data compression (DC) methods. At the
same time, the appearance of highly integrated elements has made
more and more com plicated algorithms feasible. It is in the fields
of speech and image trans mission and the transmission and storage
of biological signals (e.g., ECG, Body Surface Mapping) where the
demand for DC algorithms is greatest. There is, however, a
substantial gap between the theory and the practice of DC: an
essentially nonconstructive information theoretical attitude and
the attractive mathematics of source coding theory are contrasted
with a mixture of ad hoc engineering methods. The classical
Shannonian infor mation theory is fundamentally different from the
world of practical pro cedures. Theory places great emphasis on
block-coding while practice is overwhelmingly dominated by
theoretically intractable, mostly differential predictive coding
(DPC), algorithms. A dialogue between theory and practice has been
hindered by two pro foundly different conceptions of a data source:
practice, mostly because of speech compression considerations,
favors non stationary models, while the theory deals mostly with
stationary ones."
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