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參數資料
| 型號： | IBM39ENV422PBA17C |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PBGA |
| 封裝： | HPBGA PACKAGE |
| 文件頁數： | 1/4頁 |
| 文件大小： | 926K |
| 代理商： | IBM39ENV422PBA17C |
Higher-quality encoding at lower bit rates
for the demanding broadcast industry
eNV SD Encoders
Highlights
A family of single-chip encoders
that utilizes a common platform
Integrated resizing and noise
reduction ltering options
produce higher-quality video
at lower bit rates
Single memory interface
provides critical board space
savings, and reduces overall
board design complexity
Packetized Elementary Stream
(PES) output support helps
simplify video timestamping and
A/V synchronization functions
World-class technical support
helps make system design, test,
and deployment more efcient
Better Performance, Higher Quality,
Greater Flexibility
The IBM eNV SD MPEG-2 video
encoders are the latest in a long
line of high-quality MPEG com-
pression solutions designed to meet
the exacting needs of professional
video encoding applications. If
you’re developing applications to
meet these needs — such as video
servers or editing systems, broad-
cast head end, or DVD authoring
systems — eNV SD encoders will
help you produce high-quality
compressed video at low bit rates,
while reducing overall system expense.
With a common hardware platform and
signicantly more feature integration
compared to previous-generation
encoders, the eNV SD helps simplify
board and system designs. IBM
worldwide technical support makes
integrating the eNV SD encoders
into your design easier.
Highly Integrated Solution for
Digital Compression
The eNV SD MPEG encoders offer
a highly integrated single-chip
solution for quality digital video
compression. The encoders
available offer a selection of the
following powerful features:
Proles and standards support
4:2:2 prole at main level (4:2:2 P@ML)
Main prole at high level (MP@HL)
Main prole at main level (MP@ML)
MPEG-1
Maximum image resolution
720 x 512 (NTSC)
720 x 608 (PAL)
Input image preprocessing
Horizontal noise ltering
Vertical noise ltering
Temporal ltering
Horizontal and vertical image resizing
Selectable 4:2:2 to 4:2:0 chroma
conversion
Compression options
Selectable 4:2:2 or 4:2:0 output
chroma format
Field or frame encoding
Variable GOP structure
User data support
Low latency
Programmable search range up to
+/- 200 H and +/- 128 V
Programmable quantization tables
Output
Selectable ES or PES output format
Maximum bit rate of 50 Mb/sec for
ES output format
Programmable maximum output
data rate
Memory
Single SDRAM interface
Minimum 8 MB of 125-MHz SDRAM
Power, process, and packaging
3.3 V and 2.5 V power requirements
IBM CMOS (0.18 m) process
technology
35-mm high-performance ball grid
array (HPBGA) package
Figure 1: An eNV SD encoder with package
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