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)： 22/71頁(yè)
文件大?。?/td> 2570K
代理商： SAA6752HS
2004 Jan 26
22
Philips Semiconductors
Product specification
MPEG-2 video and MPEG-audio/AC-3
audio encoder with multiplexer
SAA6752HS
7.3.10
C
OMPRESSION BLOCK PARTITIONING
The video compression block, shown in Fig.4, contains the
following sub-modules:
MacroBlock Processor (MBP).
Reads uncompressed
video data from SDRAM and generates the compressed
bitstream on MB level (without MB headers). Addresses
for frame buffer (previous frame) access are generated
by the MBP.
Core control.
Performs MB and slice header
generation, base address generation for the current MB
(uncompressed), motion vector candidate generation,
and computation of encoding statistics required by the
CPU for bit rate controlling.
Pre-packer
(part of packing unit). Since the MBP output
words are not necessarily fully used (i.e. some output
words may contain unused bits) the pre-packer packs
the output of the MBP in such a way that all words
contain valid bits. This reduces the amount of memory
required for storing the MB data.
Packer
(part of packing unit). Merges header and MB
headers.
handbook, full pagewidth
MHC131
PRE-
PACKER
MBP/CPM
CORE CONTROL
GENERIC INTERFACE
to/from PCI-bus
from video
front-end
to/from SDRAM-IF
to SDRAM-IF
MEMORY
PACKING UNIT
VIDEO COMPRESSION BLOCK
PACKER
Fig.4 Video compressor block diagram.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAA6752HS/V103 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:MPEG-2 video and MPEG-audio/AC-3 audio encoder with multiplexer
SAA6752HS/V103,557 功能描述:IC AUD/VID ENCODER MPEG 208-SQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799
SAA6752HS/V104 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:MPEG-2 video and MPEG-audio/AC-3 audio encoder with multiplexer
SAA6752HS/V104,557 功能描述:IC AUD/VID ENCODER MPEG 208-SQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799
SAA7000 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:CD機(jī)插補(bǔ)靜音器
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