ML145502, ML145503, ML145505

LANSDALE Semiconductor, Inc.

Table 3. Mu–Law Encode–Decode Characteristics

Chord

Number

Step

Decision

Decode

Number

of Steps

Size

Levels

Sign

Chord

Chord

Chord

Step

Step

Step

Step

Levels

Normalized

Encode

Normalized

12

3

4

5

6

7

8

Digital Code

8159

1

0

0

0

0

0

0

0

8031

7903

8

16

256

4319

1

0

0

0

1

1

1

1

4191

4063

7

16

128

2143

1

0

0

1

1

1

1

1

2079

2015

6

16

64

1055

1

0

1

0

1

1

1

1

1023

991

516

32

511

10

1

1

1

1

1

1

495

479

4

16

16

239

11

0

0

1

1

1

1

231

223

3

16

8

103

11

0

1

1

1

1

1

99

95

216

4

35

11

1

0

1

1

1

1

33

31

115

2

3

11

1

1

1

1

1

0

2

1

11

1

1

1

1

1

1

1

1

0

0

NOTES:

1. Characteristics are symmetrical about analog zero with sign bit = 0 for negative analog values.

2. Digital code includes inversion of all magnitude bits.

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