Specifications

Net-2000™ VCU Users Manual
Version 4.0, December, 2013
Interface Protocol
For the GMR-2 vocoder
the top 8 bits of rate[5] = 0xC9 , (<vocoder_type> = ambemm)
For the u-law vocoder
the top 8 bits of rate[5] = 0xC5 , (<vocoder_type> = u-law)
For the a-law vocoder
the top 8 bits of rate[5] = 0xC6 , (<vocoder_type> = a-law)
All others are reserved.
Total
Rate
(bps)
Speech
Rate
(bps)
FEC
Rate
(bps)
rate_[0] rate_[1] rate_[2] rate_[3] rate_ [4] rate_ [5] Index
2000 2000 0 0x0028 0x0000 0x0000 0x0000 0x6428 0xc028 31
2400 0 0x9030 0x0000 0x0000 0x0000 0x4330 0xc030 0
2400
2350 50 0x902f 0x0000 0x0000 0x0000 0x6930 0xc030 5
3000 3000 0 0x043c 0x0986 0x0000 0x0000 0x0000 0xc13c 63
3600 0 0x9348 0x0000 0x0000 0x0000 0x6f48 0xc048 1
3350 250 0x9243 0x0080 0x0000 0x0000 0x5348 0xc048 11
3600 0 0x5048 0x0000 0x0000 0x0000 0x3948 0xc048 16
3600
3600 0 0x0448 0x0986 0x0000 0x0000 0x0000 0xc148 48
4000 0 0xab50 0x0000 0x0000 0x0000 0x3950 0xc050 15
3750 250 0x934b 0x0080 0x0000 0x0000 0x3950 0xc050 14
4000 0 0x5250 0x0000 0x0000 0x0000 0x4150 0xc050 17
2400 1600 0x1030 0x0001 0x0000 0x341a 0x6750 0xc050 22
4000
4000
0 0x0450 0x0986 0x0000 0x0000 0x0000 0xc150 49
2400 1600 0x0430 0x0986 0x0001 0x0000 0x341a 0xc150 54
4800 0 0xab60 0x0000 0x0000 0x0000 0x7960 0xc060 3
4550 250 0xab5b 0x0080 0x0000 0x0000 0x6860 0xc060 7
3600 1200 0x9348 0x2030 0x0000 0x0000 0x7060 0xc060 2
3100 1700 0x923e 0x2800 0x0000 0x0000 0x7460 0xc060 8
4800 0 0x5360 0x0000 0x0000 0x0000 0x6c60 0xc060 18
4000 800 0x5250 0x2010 0x0000 0x0000 0x7460 0xc060 24
3600 1200 0x5048 0x0001 0x0000 0x2412 0x6860 0xc060 23
4800
2400
2400 0x1030 0x0005 0x180c 0x3018 0x7360 0xc060 25
4800 0 0x0460 0x0986 0x0000 0x0000 0x0000 0xc160 50
4000 800 0x0450 0x0986 0x2010 0x0000 0x0000 0xc160 56
3600 1200 0x0448 0x0986 0x0001 0x2412 0x0000 0xc160 55
2400 2400 0x0430 0x0986 0x0005 0x180c 0x3018 0xc160 57
4150 2250 0xab53 0x2c00 0x0000 0x0000 0x5680 0xc080 10
6400 0 0x6b80 0x0000 0x0000 0x0000 0x6c80 0xc080 19
4000 2400 0x5250 0x0001 0x0000 0x542a 0x5280 0xc080 26
6400 0 0x0480 0x0986 0x0000 0x0000 0x0000 0xc180 51
6400
4000 2400 0x0450 0x0986 0x0001 0x0000 0x542a 0xc180 58
(Subject to Change) Page 42
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