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High quality embedded wideband speech coding using an inherently layered coding paradigm

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1 Author(s)
S. A. Ramprashad ; Lucent Technol. Bell Labs., Murray Hill, NJ, USA

Presented is an embedded coding strategy for wideband signals using the multimode transform predictive coding (MTPC) framework. The design uses many of the inherently layered features of the original non-embedded MTPC including iterative bit assignments and frequency domain coding. The design also uses the mode decision of the MTPC to adapt the layering strategy to the type input signal. The result is a high quality embedded wideband coder with multiple enhancement layers and little compromise in performance when compared to non-embedded MTPC designs

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Acoustics, Speech, and Signal Processing, 2000. ICASSP '00. Proceedings. 2000 IEEE International Conference on  (Volume:2 )

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