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Table 3 Search accuracy comparison among various methods

From: An efficient algebraic codebook search for ACELP speech coder

Methods Search accuracy for locating various numbers of intended pulses (%)
1 pulse 2 pulses 3 pulses 4 pulses (all right) 0 pulse (all wrong)
G.729A 98.3475 92.1456 80.9918 68.6438 1.6525
GPR R = 1 98.7032 90.7750 76.1053 55.0718 1.2968
R = 2 98.4946 91.8335 80.4779 76.1053 1.5054
R = 3 98.5246 92.1081 81.2227 80.4779 1.4754
R = 4 98.5283 92.1547 81.3393 81.2227 1.4717
IFPR 98.6810 92.4963 80.0048 68.0824 1.3190
RCM N = 1 99.3295 89.0873 55.8720 17.3353 0.6705
N = 2 98.3009 90.8486 73.6532 50.3579 1.6991
N = 3 98.8545 94.0394 83.5763 70.7329 1.1455
N = 4 99.2014 95.9617 89.2187 81.8716 0.7986
Proposed method N = 1 99.3295 89.0873 55.8720 17.3353 0.6705
N = 2 98.2054 89.8500 70.0755 44.0814 1.7946
N = 3 98.2060 91.2376 76.7365 60.2498 1.7940
N = 4 98.2369 92.1541 80.4684 69.0717 1.7631