AMBE2000 Datasheet, PDF (27/47 Pages) List of Unclassifed Manufacturers – VOCODER CHIP

AMBE-2000™ Vocoder Chip
User’s Manual Version 3.0
Rate Info 0
0x0028
0x5048
0x5250
0x1030
0x5360
0x5250
0x5048
0x1030
0x6b80
0x5250
0x5258
0x7fa0
0x5250
0x7fc0
0x5048
0x1030
Table 5-D Rate Selection Using Rate Info 0-4, AMBE-2000™ only
Rate Info 1
0x0000
0x0000
0x0000
0x0001
0x0000
0x2010
0x0001
0x0005
0x0000
0x0001
0x0009
0x0000
0x0005
0x0000
0x000e
0x000e
Rate Info 2
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x180c
0x0000
0x0000
0x1e0c
0x0000
0x2010
0x0000
0x4010
0x681a
Rate Info 3
0x0000
0x0000
0x0000
0x341a
0x0000
0x0000
0x2412
0x3018
0x0000
0x542a
0x4127
0x0000
0x6834
0x0000
0x6a2e
0x511b
Rate Info 4
0x6428
0x3948
0x4150
0x6750
0x6c60
0x7460
0x6860
0x7360
0x6c80
0x5280
0x7390
0x52a0
0x72a0
0x69c0
0x65c0
0x76c0
Speech Rate
(bps)
2000
3600
4000
2400
4800
4000
3600
2400
6400
4000
4400
8000
4000
9600
3600
2400
FEC Rate
(bps)
0
0
0
1600
0
800
1200
2400
0
2400
2800
0
4000
0
6000
7200
Total Rate
(bps)
2000
3600
4000
4800
6400
7200
8000
9600
5.2.5 Formatted Input : Word 7 : Unused in Input
Should be set to 0x0000
5.2.6 Formatted Input : Word 8 : Unused in Input
Should be set to 0x0000
5.2.7 Formatted Input : Word 9 : Unused in Input
Should be set to 0x0000
5.2.8 Formatted Input : Word 10 :DTMF Control
Use this word to set DTMF tones. See Table 5-F for a list of tones and their corresponding values.
Table 5-E DTMF Control Format
DTMF Control – 16-bits
15:
MSB
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0:
LSB
DTMF Amplitude
DTMF Digit Detect/ Generate
page 27
Visit us at www.dvsinc.com
Confidential Proprietary, Subject to Change