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Pulse-By-Pulse Re-optimization of the Synthesis Filter in Pulse Based Coders

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Sat, 2013-03-30 13:49 — Allam Mousa
Journal Title, Volume, Page: 
Speech and Audio Processing, IEEE Transactions on (Volume:6 , Issue: 2), Page(s):180-185
Year of Publication: 
1998
Link: 
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=661477
Authors: 
Hacioglu, Kadri
Dept. of Electr. & Electron. Eng., Eastern Mediterranean Univ., Mersin, Turkey
Hasib, A.
Current Affiliation: 
Department Of Electrical Engineering, Faculty Of Engineering, An-Najah National University, Nablus, Palestine
[email protected]
Preferred Abstract (Original): 
Two iterative algorithms for pulse-based linear predictive (PB-LP) analysis are developed. At the kth step, one of the algorithms assumes that the pulse locations of k pulses are known and calculates the LP coefficients jointly with k pulse amplitudes. In contrast, the other algorithm assumes that the previous k-1 pulse amplitudes are known and jointly estimates the LP filter coefficients and the kth pulse amplitude. These algorithms are proposed for synthesis filter reoptimization in pulse-based LP coders, and their effectiveness in multipulse coding is demonstrated through several simulations