AK4110 AKM [Asahi Kasei Microsystems], AK4110 Datasheet - Page 27

• Manufacturer Part Number: AK4110
• Description: High Feature 96kHz 24bit DIR
• Manufacturer: AKM [Asahi Kasei Microsystems]

ASAHI KASEI
n n n n Burst preambles in non-PCM bitstreams
MS0020-E-00
Preamble word
Pa
Pb
Pc
Pd
Bits of Pc value
0-4
5, 6
7
8-12
13-15
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14-26
27
28
29-31
0
0
1
0
Length of field
16 bits
16 bits
16 bits
16 bits
contents
data type
NULL data
Dolby AC-3 data
reserved
PAUSE
MPEG-1 Layer1 data
MPEG-1 Layer2 or 3 data or MPEG-2 without extension
MPEG-2 data with extension
reserved
MPEG-2, Layer1 Low sample rate
MPEG-2, Layer2 or 3 Low sample rate
reserved
DTS type I
DTS type II
DTS type III
reserved
(reserved for MPEG-4 AAC data)
MPEG-2 AAC data
reserved
reserved, shall be set to “0”
Error-flag indicating a valid burst_payload
Error-flag indicating that the burst_payload may contain
Errors
data type dependent info
bit stream number, shall be set to “0”
Pa Pb Pc Pd
0
preamble
3 4
Aux.
7 8
Table 15. Fields of burst info Pc
Table 14. Burst preamble words
sync word 1
sync word 2
Length code
Contents
Burst info
repetition time of the burst
11 12
sub-frame of IEC958
Burst_payload
LSB
0
- 27 -
16 bits of bitstream
0xF872
0x4E1F
see Table 15.
numbers of bits
value
stuffing
repetition time of burst
in IEC958 frames
£4096
1536
384
1152
1152
384
1152
512
1024
2048
512
1024
MSB V U C P
27 28 29 30 31
15
[AK4112A]
2000/3