USBB13AP77016-XXX-B06 NEC Electronics, USBB13AP77016-XXX-B06 Datasheet - Page 32

• Manufacturer Part Number: USBB13AP77016-XXX-B06
• Description: DSP middleware(AMR voice CODEC)
• Manufacturer: NEC Electronics

32
Tables 3-1 through 3-9 show the bit allocation of the bit stream in each mode of the µ SAP77016-B06.
b1 to b7
b8 to b15
b16 to b23
b24
b25 to b32
b33 to b38
b39 to b47
b48 to b51
b52
b53 to b55
b56
b57 to b59
b60
b61 to b63
b64
b65 to b67
b68
b69 to b71
b72 to b74
b75 to b77
b78 to b80
b81 to b83
b84 to b86
b87 to b91
b92 to b97
b98 to b141
b142 to b194
b195 to b244
Bit Position
index of 1st LSF submatrix
index of 2nd LSF submatrix
index of 3rd LSF submatrix
sign of 3rd LSF submatrix
index of 4th LSF submatrix
index of 5th LSF submatrix
adaptive codebook index
adaptive codebook gain
sign information for 1st and 6th pulses
position of 1st pulse
sign information for 2nd and 7th pulses
position of 2nd pulse
sign information for 3rd and 8th pulses
position of 3rd pulse
sign information for 4th and 9th pulses
position of 4th pulse
sign information for 5th and 10th pulses
position of 5th pulse
position of 6th pulse
position of 7th pulse
position of 8th pulse
position of 9th pulse
position of 10th pulse
fixed codebook gain
adaptive codebook index (relative)
same description as b48 to b91
same description as b39 to b91
same description as b92 to b141
CHAPTER 3 BIT STREAM FORMAT
Table 3-1. Bit Allocation in MR122 Mode
User’s Manual U15165EJ3V0UM
Second subframe
Fourth subframe
Third subframe
First subframe
Description