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Table 36 Objective evaluation of speech quality using measures such as Perceptual Evaluation of Speech Quality (PESQ), Log-Likelihood Ratio (LLR) and Weighted Spectral Slope (WSS)

From: Application of 1-D discrete wavelet transform based compressed sensing matrices for speech compression

Sr.

no.

Different sensing

matrices

Speech distortion

Background distortion

Overall quality

LLR

WSS

PESQ

MOS

Score

1.

db1

3.4959

2.3958

2.8940

0.618194

45.751366

2.4060

2.

db2

3.3878

2.3902

2.8228

0.735509

40.165614

2.3436

3.

db3

3.1887

2.2231

2.6572

0.791790

50.476578

2.2632

4.

db4

3.5157

2.4790

2.9531

0.701403

37.954092

2.4644

5.

db5

3.7339

2.5471

3.0838

0.535443

34.465134

2.4909

6.

db6

3.4648

2.3444

2.8207

0.612405

40.395098

2.2646

7.

db7

3.4839

2.3110

2.8473

0.619242

39.438455

2.2937

8.

db8

3.5478

2.3337

2.8925

0.560800

41.502149

2.3307

9.

db9

3.7200

2.5313

3.0680

0.521539

37.389013

2.4879

10.

db10

3.7502

2.5574

3.0842

0.508764

34.772191

2.4771

11.

coif1

3.4799

2.2788

2.8831

0.646498

42.964582

2.3862

12.

coif2

3.5241

2.3374

2.9602

0.705475

36.450763

2.4628

13.

coif3

3.8500

2.5787

3.2063

0.527448

29.371499

2.5938

14.

coif4

3.7495

2.5243

3.1167

0.551742

34.069359

2.5387

15.

coif5

3.7443

2.5377

3.1099

0.551411

34.169205

2.5310

16.

sym4

3.2751

2.1626

2.7240

0.658010

63.799345

2.3770

17.

sym5

3.7144

2.4995

3.0894

0.550669

38.139942

2.5395

18.

sym6

3.6323

2.4225

3.0189

0.603048

36.964962

2.4751

19.

sym7

3.8098

2.5829

3.1993

0.569036

31.505778

2.6300

20.

sym8

3.8135

2.5483

3.1875

0.548968

31.641938

2.6039

21.

sym9

3.8163

2.5878

3.1843

0.534342

32.757831

2.6003

22.

sym10

3.8335

2.6147

3.1985

0.536466

30.625240

2.6006

23.

Battle1

3.4479

2.3080

2.8621

0.664658

44.171851

2.3821

24.

Battle3

3.7297

2.4548

3.0899

0.532391

37.307250

2.5212

25.

Battle5

3.6017

2.4841

2.9674

0.578535

39.038937

2.4135

26.

Beylkin

3.6053

2.4451

2.9289

0.546456

35.907963

2.3180

27.

Vaidynathan

3.8044

2.5202

3.1186

0.461501

35.343833

2.4948

28.

Sparse Binary

3.6393

2.7576

3.0467

0.666517

29.706413

2.4868

29.

DCT matrix

3.7628

2.5854

3.1092

0.518874

34.672901

2.5138

30.

Random Gaussian

2.9737

2.6990

2.6855

1.276865

30.019462

2.4291

31.

Random

uniform

3.3255

2.7452

2.8794

0.966803

28.298916

2.4577

32.

Random

Toeplitz

2.6847

2.6565

2.5249

1.520660

33.026663

2.4108

33.

Random

Circulant

3.8147

2.7854

3.1549

0.529008

28.229330

2.5210

34.

Random

Hadamard

3.8147

2.7854

3.1549

0.529008

28.229330

2.4934

35.

Wavelet compression

3.6017

2.4841

2.9674

0.578535

39.038937

2.4135

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