參數(shù)資料
型號(hào): SAA6752HS
廠商: NXP Semiconductors N.V.
英文描述: MPEG-2 video and MPEG-audio/AC-3 audio encoder with multiplexer
中文描述: MPEG - 2視頻和MPEG-audio/AC-3音頻編碼器與復(fù)用器
文件頁(yè)數(shù): 29/71頁(yè)
文件大?。?/td> 2570K
代理商: SAA6752HS
2004 Jan 26
29
Philips Semiconductors
Product specification
MPEG-2 video and MPEG-audio/AC-3
audio encoder with multiplexer
SAA6752HS
Table 7
Audio metabytes data
Note
1.
This is the same value as used to generate the PTS value.
BYTE
(HEX)
NAME
LSB/
MSB
BIT
DESCRIPTION
00
01
identification
flags
0 to 7
0
1
AAH; audio
reserved
‘terminated audio flag’; this flag is only set at the end of a
recording session and indicates that this sector is not completely
filled with audio data
‘synchronization flag’; indicates that the audio data in the sector is
related in time to the beginning of a Video Object Unit (VOBU)
reserved
reserved
audio pack type:
000: MPEG-1 layer 2 or MPEG-2 without extension
010: MPEG-2 with extension
011: DDCE
100: DTS-1 (512 samples/frame)
101: reserved
110: reserved
111: LPCM 16-bit stereo 48 kHz
amount of non-stuffing bytes minus one
2
3
4
5 to 7
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
data length
LSB
MSB
LSB
0 to 7
0 to 7
0 to 7
0 to 7
0 to 7
0 to 7
0 to 7
0 to 7
0 to 7
0 to 7
0 to 7
0 to 7
0 to 7
0 to 7
time stamp
The value of the STC at the moment that the first byte of the first
frame arrived at the input. Only 32 bits are used; note 1.
MSB
reserved
frame start count
first frame position
00
the amount of frame starts in the sector
position (in bytes) of the first frame in the sector
LSB
MSB
LSB
MSB
last frame position
position (in bytes) of the last frame in the sector
reserved
reserved
00
00
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