參數(shù)資料
型號: 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音頻編碼器與復用器
文件頁數(shù): 5/71頁
文件大?。?/td> 2570K
代理商: SAA6752HS
2004 Jan 26
5
Philips Semiconductors
Product specification
MPEG-2 video and MPEG-audio/AC-3
audio encoder with multiplexer
SAA6752HS
2.2
Application fields
2.2.1
DVD
BASED OPTICAL DISC RECORDERS
(DVD+RW,
DVD-RW, DVD-RAM)
Emerging optical disc based recording systems target to
replace the existing consumer recording (VCR) and
playback (DVD and VCD) products. The first generation
recordable DVD based products will want to maximise
recording times for the 4.7 Gbyte storage capacity. For
these systems the SAA6752HS is critical, with its superior
noise filtering and motion estimation, in enabling high
quality at low bit rates.
Playback compatibility with existing DVD decoding
solutions will also be important, which is why the
SAA6752HS provides Dolby
digital consumer (AC-3)
audio encoding to allow playback through existing players
implementing DDCE (AC-3) decoding dominant in current
DVD platforms.
The DVD stream is based on MPEG Program Stream
(PS). The SAA6752HS directly outputs MPEG PS
compliant to the DVD standard.
2.2.2
HDD
BASED TIME SHIFT RECORDING
Hard Disc Drive (HDD) based time-shift systems enable
Personalized TV (PTV) functionality, providing consumers
with new powers of control over what and when to watch
broadcast content. With the audio and video content
recorded digitally, identification, search and retrieval
becomes a ‘no brainer’ task as compared to traditional
VCR functionality. Combine this with electronic program
guides and intelligent control, and the PTV can also
analyse the viewers watching habits to search for
programs likely to be of interest and automatically
recorded in anticipation of the viewers preferences.
Since HDD recorders are closed systems, the recording
format stream can be proprietary. The SAA6752HS
flexiblemultiplexingformatssupportanumberofrecording
stream formats for HDD including MPEG Transport
Stream (TS) or MPEG Packetized Elementary Stream
(PES).
2.2.3
D
IGITAL
VCR (DVHS)
RECORDING
A DVHS player records streams based on MPEG
Transport Streams (TS) packed in logical tape tracks. The
SAA6752HS output streams are compliant with DVHS
standard requirements.
2.2.4
V
IDEO EDITING
/
TRANSMISSION
/
SURVEILLANCE
/
CONFERENCING
The SAA6752HS can operate as a stand-alone device in
all the above applications. The SAA6752HS full features
and flexibility allows customers to tailor functionality and
performance to specific application requirements. All
required control settings such as GOP size and bit rate
modes can be selected via the I
2
C-bus.
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