w682510 Winbond Electronics Corp America, w682510 Datasheet - Page 27

• Manufacturer Part Number: w682510
• Description: Voice Codec
• Manufacturer: Winbond Electronics Corp America

Normalized
Encode
Decision
Levels
Notes:
4096
3968
2048
2048
1088
1024
544
512
272
256
136
128
1. Sign bit = 0 for negative values, sign bit = 1 for positive values
2. Digital code includes inversion of all even number bits
68
64
2
0
:
:
:
:
:
:
:
Sign
D7
1
1
1
1
1
1
1
1
TABLE 10.62: A-LAW ENCODE DECODE CHARACTERISTICS
Chord
D6
0
0
0
0
0
1
1
1
Chord
D5
1
1
1
0
0
1
1
0
Chord
D4
Digital Code
0
0
1
0
1
0
0
1
- 27 -
Step
D3
1
0
0
0
0
0
0
0
Step
D2
0
1
1
1
1
1
1
1
Publication Release Date: April 2005
W682510/W682310
Step
D1
1
0
0
0
0
0
0
0
Step
D0
0
1
1
1
1
1
1
1
Revision A10
Normalized
Decode
Levels
4032
2112
1056
528
264
132
66
1
:
:
:
:
:
:
: