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EURASIP Journal on Advances in Signal Processing

Table 1 Residual intelligibilities of processed signals at different compression rates and the corresponding MOS scores of the recovered speech

From: Scrambling-based speech encryption via compressed sensing

Compression rate (%)

5

6

7

8

9

10

ρ

CoS

0.964

0.967

0.957

0.959

0.975

0.967

ES

0.326

0.335

0.342

0.372

0.347

0.364

MOS

2.42

2.49

2.54

2.63

2.73

2.96

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