Multi-pulse excited linear predictive speech coder

Details Multi-pulse excited linear predictive speech coder Multi-pulse excited linear predictive speech coder

1984-08-09

1988-04-05

Kemeny, Emanuel S.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

G10L 500

Patent

active

047364289

ABSTRACT:
A multipulse excitation signal, as a better approximation than a single-pulse excitation signal, searches for a kth pulse which minimizes either a difference between a synthesized and a reference signal, or a distance between a multipulse excitation signal and a residual signal. The search uses an averaging function M.sub.k (n) of a weighted error signal.

REFERENCES:
patent: 3750024 (1973-07-01), Dunn
patent: 4133976 (1979-01-01), Atal et al.
patent: 4516259 (1985-05-01), Yato et al.
Atal et al., "A New Model of LPC Excitation etc.", ICASS P-82 Proceedings, IEEE 1982, pp. 614-617.

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