Table 7a

Table 7a: Correlation values and differences for the clipped-sample restoration of the fourth sample sentence, using the two programs. The differences are relative to the correlation values for the native-source to clipped-file comparisons, for each respective file format. Negative values are contained in parentheses

Sample Sentence #4 (Native to Clipped and Restored)

File
Format

Amount
Clipped
(dB)

Correlation
(to Clipped)

Program #1

Program #2

Correlation
(to Restored)

Difference

Correlation
(to Restored)

Difference

8 kHz
8-bit

+3

0.9966

N/A

N/A

0.9894

(0.0073)

+6

0.9815

N/A

N/A

0.9573

(0.0242)

+9

0.9542

N/A

N/A

0.9279

(0.0263)

+12

0.9169

N/A

N/A

0.8859

(0.0310)

11.025 kHz
8-bit

+3

0.9970

0.9826

(0.0145)

0.9592

(0.0378)

+6

0.9830

0.9354

(0.0476)

0.9178

(0.0652)

+9

0.9567

0.8690

(0.0877)

0.8957

(0.0610)

+12

0.9199

0.8225

(0.0974)

0.8541

(0.0658)

11.025 kHz
16-bit

+3

0.9971

0.9826

(0.0145)

0.9599

(0.0372)

+6

0.9830

0.9334

(0.0496)

0.9127

(0.0703)

+9

0.9565

0.8812

(0.0753)

0.8738

(0.0827)

+12

0.9204

0.8036

(0.1168)

0.8634

(0.0570)

16 kHz
8-bit

+3

0.9971

0.9968

(0.0003)

0.9914

(0.0056)

+6

0.9830

0.9811

(0.0019)

0.9759

(0.0071)

+9

0.9567

0.9430

(0.0137)

0.9512

(0.0055)

+12

0.9198

0.9124

(0.0074)

0.9038

(0.0160)

16 kHz
16-bit

+3

0.9974

0.9985

0.0011

0.9953

(0.0021)

+6

0.9837

0.9864

0.0027

0.9837

(0.0001)

+9

0.9574

0.9620

0.0046

0.9526

(0.0048)

+12

0.9215

0.9135

(0.0080)

0.9053

(0.0162)