M65863FP Datasheet, PDF (10/61 Pages) Mitsubishi Electric Semiconductor – Dolby Digital Decoder

Product Note
April 1998
M65863FP
Dolby Digital Decoder
4.1 Dolby Digital (AC-3) Bitstream Information Registers
Table 4.2 shows Dolby Digital (AC-3) bitstream information registers.
Table 4.2 Dolby Digital (AC-3) Bitstream Information Registers
bit
Address
0
1
2
3
4
h'00
frmsizecod
h'01
bsmod
h'02
origbs copyrightb lfeon
dsurmod
h'03 compre dynrnge
h'04
compr
h'05
langcod
h'06
dynrng
h'07 audprodie roomtyp
h'08 compr2e dynrng2e
h'09
compr2
h'0A
langcod2
h'0B
dynrng2
h'0C audprodi2e roomtyp2
5
6
7
R/W
fscod
R
bsid
R
acmod
R
dialnorm
R
R
R
R
mixlevel
R
dialnorm2
R
R
R
R
mixlevel2
R
address h'00
Sample Rate Code (fscod)
This field indicates sampling rate according to the following table.
fscod
00
01
10
11
Sampling Rate
48 kHz
44.1 kHz
32 kHz
Reserved
2 bits
Frame Size Code(frmsizecod)
6 bits
This field indicates nominal bit rate. This code is used along with the sample rate code to determine the
number of bytes per frame.
address h'01
Bitstream Identification (bsid)
This field contains the version number of the coder syntax.
M65863FP only supports 0 to 8.
5 bits
MITSUBISHI ELECTRIC CORPORATION
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