The
Communications
Company
TM
DVxpert
TM
5120/5140
MPEG Video Codecs for Broadcast-Quality Interactive
Video Networking and Communication Applications
Serial EPROM
DV
xpert
TM
8MB of SDRAM
1Mx16
D1 Standard
Video Stream
ECL/TTL
Translator
NTSC/PAL
Decoder
TTL/ECL
Translator
NTSC/PAL
Encoder
S-Video or
Composite Input
D1 Standard
Video Stream
S-Video or
Composite
Output
Stereo Audio In
Stereo Audio Out
Audio
CODEC
Glueless
SDRAM Interface
27.5-MHz Oscillator
SUM
System PCI Bus
Host
Audio Out
Audio In
PIO
PIO
Video In
Video Out
CLK
Serial Control
Serial Control
0203a
DVxpertTM 5120/5140 Single-Chip AFF Encoder Architecture
T A R G E T A P P L I C A T I O N S :
The DVxpert 5120/5140 codec sup-
ports a wide range of high-quality
video applications, including:
Video networking
Professional conferencing
Distance learning
Interactive desktop video
collaboration
Satellite news gathering
Surveillance
Content creation
O V E R V I E W
The DVxpert
TM
5120 video networking codec from LSI Logic is the
industry's first full-duplex, real-time, MPEG-2 codec engine. It is specifically
designed to meet the quality and performance requirements of today's
latency-sensitive enterprise video networking systems. Combining ultra-low-
delay compression technology with the space and cost savings of a single-
chip design, the DVxpert 5120 delivers broadcast-quality MPEG-2 video that
is far superior to video networking based on H.32x standards.
The DVxpert 5120 leverages the MPEG-2 Main Level @ Simple Profile
(ML@SP) codec standard to achieve end-to-end delays of less than 100 ms.
The DVxpert 5140 is a superset of the DVxpert 5120 that provides several
options to the video compression solution for networking. For half-duplex
video communications applications where full resolution picture quality is
an absolute must (such as distance learning or corporate communications),
DVxpert 5140 offers the ability to MPEG- 2 compress video at "full D1"
resolution at bit rates from 2 to 10 Mbps.
DVxpert 5120/5140 it the most flexible solution available on the
market today:
MPEG-2 "Full D1" compression up to 10 Mbps
MPEG-2 "1/2 and 2/3 D1" compression up to 15 Mbps
MPEG-2 ML@SP compression/decompression up to 15 Mbps
MPEG-1 compression 56 kbps to 5 Mbps
DVxpert
TM
5120/5140 MPEG Video Codecs
K E Y F E A T U R E S :
D V x p e r t 5 1 2 0
Flexible, cost-effective programmable
preprocessing filters that can encode
widths of 720, 704, 640, 544, 480,
384, 352, or 320 pixels
Frame-by-frame data insertion
capability for added flexibility
Ultra-low latency with an unprece-
dented end-to-end delay of less than
100 ms supports two-way collabora-
tive communications at full-frame rate
Real-time codec compression and
decompression up to a horizontal
resolution of 544 pixels delivers
broadcast-quality images. Encoding
or decoding alone yields a horizon-
tal resolution of up to 720 pixels.
Automatic audio/video synchroniza-
tion with user-configured transport
layer generation and multiplexing/
de-multiplexing of A/V transport
packets ensures proper synchroniza-
tion of sound and images
Serial upgrade module (SUM)
contains a unique identifier that
authenticates future software
upgrades requested by user
D V x p e r t 5 1 4 0
Full horizontal resolutions up to 704
pixels
High-quality MPEG-2 ML@MP video
compression up to 10 Mbps
Picture user data insertion for inser-
tion of presentation time stamps
(PTS), decoder time stamps (DTS),
and closed captioning data in the
bitstream
DVxpertTM MPEG Multipoint Video Communication
Network
ISDN, LAN,
ATM, IP, etc.
T E C H N O L O G Y D R I V I N G N E W M A R K E T S
Using leading edge DVxpert technology and LSI Logic's
patented PerfectView
algorithm, educators can reach out to students
in "virtual" classrooms, business colleagues can collaborate from
remote locations, and doctors can practice effective telemedicine.
High-bandwidth Fast Ethernet LANs (10/100 Mbps) and ATM
LAN/WAN backbones (155 Mbps and above) now make it possible
to fully implement these sophisticated interactive video applications
across the enterprise.
Another important trend is the convergence of the personal
computer and television. The Internet is rapidly becoming another
distribution tool for the video networking industry. Today, MPEG-1
compression technology allows consumers to view video files or
download video clips or commercials from the World Wide Web.
The DVxpert 5120/5140 MPEG-1 encoder provides low bit rate, high-
quality MPEG-1 compressed video at bit rates ranging from 56 kbps to
5 Mbps.
D V X P E R T 5 1 2 0 V I D E O N E T W O R K I N G C O D E C
The DVxpert 5120 is a bundling product designed for use in
two-way communication, video networking.
MPEG-2 ML@SP codec (Low Delay)
MPEG-2 "1/2 and 2/3 D1" Encoder
MPEG-1 Low Bit Rate Encoder
D V X P E R T 5 1 4 0 V I D E O
C O M M U N I C A T I O N S C O D E C
The DVxpert 5140 includes all of the capabilities
of the DVxpert 5120. In addition, it also has microcode
that supports advanced communication features, such
as MPEG-2 "Full D1" communications encoder. The
table on the back page compares the capabilities of
each device.
P E R F E C T V I E W
E N C O D I N G A L G O R I T H M
PerfectView, LSI Logic's patented encoding
algorithm technology, produces superior MPEG-2
image quality at all bit rates. The DVxpert 5120 and
5140 both support the PerfectView features described
below.
Multilayer Motion Estimation. This technique
is used to determine the extent of changes between
frames of a video sequence, comparing pixels of a
reference frame with pixels of previous and sub-
sequent frames. LSI Logic's multilayer, hierarchical
search methodology yields precise matches, at half-pel
resolution, without the need for exhaustive, time-
consuming pixel-by-pixel comparisons.
Error Masking. This LSI Logic MPEG encoding
algorithm technique controls data distribution by
searching for and hiding an undesirable compression
artifact called ringing, a fuzz-like pattern that
surrounds low-activity images produced by over-quan-
tized AC coefficients. LSI Logic's masking algorithm
determines where ringing would be visible in an
image and budgets data bandwidth to eliminate these
artifacts.
Inverse Telecine. This feature improves encod-
ing efficiency for video material that originated as film
by detecting and dropping repeated fields that have
been introduced by the telecine process in the course
of converting the film frame rate to the video rate.
Variable Bit Rate (VBR) Encoding: VBR encod-
ing allows the DVxpert 5120/5140 to encode
difficult sequences with higher data rates, and simpler
sequences with lower data rates in real-time.
It constantly varies the bit rate representing the video
to achieve optimal output image quality. Storage VBR
encoding outputs data at a changing bit rate. The
average bit rate is lower than in a constant bit rate
(CBR) design, resulting in as much as 35percent
storage space savings when encoding movie material.
0204a
Uplink Dish
DVD Player
Network
ISDN, LAN,
ATM, IP, etc.
Video Server
Live Broadcast
Content Creation
Video Client
MPEG Video Networking
The
Communications
Company
TM
DVxpert
TM
5120/5140 MPEG Video Codecs
DVxpert Feature Comparison
Features
DVxpert 5120
DVxpert 5140
MPEG-2 ML@SP Codec
<100 ms End-to-end Delay
X
X
Transport Multiplexer/De-multiplexer
X
X
Variable Bit Rate Encoding: Storage
X
X
Full-duplex Encoding and Decoding
Up to 544 horizontal resolution Up to 544 horizontal resolution
Half-duplex Encode/Decode
Up to 720 horizontal resolution Up to 720 horizontal resolution
Dual-prime Motion Estimation Encoding X
X
Picture-in-Picture, On-screen Display and
Text Overlay Decoding Options
X
X
Mute Audio, Freeze Input Video,
Intra-refresh Conferencing Pptions
X
X
Encoded Bit Rate Range
1.5 - 15 Mbps
1.5 - 15 Mbps
GOP Structure (real-time variable)
I, IP
I, IP
Horizontal Resolution
720, 704, 640, 544, 480, 384, 720, 704, 640, 544, 480, 384,
368, 352, 320
368, 352, 320
Vertical Resolution
NTSC: 480 - PAL: 576
NTSC: 480 - PAL: 576
MPEG-2 "1/2 and 2/3 D1" Encode
Vertical/Temporal Filtering
X
X
Pan/Scan X X
Inverse Telecine
X
X
Variable Bit Rate Encoding: Storage
X
X
Closed Captioning
X
X
Frame-Accurate Start/Stop/Pause
X
X
Picture User Data Insertion
X
X
GOP Structure (real-time variable)
I-only, IP, IB, IBBP
I-only, IP, IB, IBBP
Encoded Bit Rate Range
2 to 15 Mbps
2 to 15 Mbps
Horizontal Resolution
480, 384, 368, 352, 320
480, 384, 368, 352, 320
Vertical Resolution
NTSC: 480 - PAL: 576
NTSC: 480 - PAL: 576
MPEG-1 Encode
Vertical/Temporal Filtering
X
X
Picture User Data Insertion
X
X
Frame Dropping Mode
X
X
Encoded Bit Rate Range
56 kbps - 5 Mbps
56 kbps - 5 Mbps
GOP Structure (real-time variable)
I-only, IP, IB, IBBP
I-only, IP, IB, IBBP
Horizontal Resolution
352, 320, 176, 160
352, 320, 176, 160
Vertical Resolution
NTSC: 240, 112 - PAL: 288, 144 NTSC: 240, 112 - PAL: 288, 144
MPEG-2 "Full D1" Encode
Vertical/Temporal filtering
X
Closed Captioning
X
Frame-Accurate Start/Stop/Pause
X
Picture User Data Insertion
X
GOP Structure (real-time variable)
I-only, IP, IB, IBBP
Encoded Bit Rate Range
2 to 10 Mbps
Horizontal Resolution
704, 352
Vertical Resolution
NTSC: 480 PAL: 576
For more information please call:
LSI Logic Corporation
North American Headquarters, Milpitas, CA
Tel: 800 574 4286
North America
Milpitas, CA
USA
Phone: 1-408-490-8000
Fax: 1-408-490-8590
Quebec, Canada
Phone: 1-514-426-5011
Fax: 1-514-426-7119
Europe
Crawley, West Sussex
United Kingdom
Phone: 44-1293-651100
Fax: 44-1293-651119
China
Beijing, China
Phone: 86-10-626-38296
Fax: 86-10-626-38322
Chengdu, China
Phone: 86-28-6713-150
Fax: 86-28-6713-694
Japan
Kohoku-Ku, Yokohama
Kanagawa Japan
Phone: 81-45-474-7571
Fax: 81-45-474-7570
Korea
Seoul, Korea
Phone: 822-561-9011
Fax: 822-561-9021
Taiwan
Taipei, Taiwan
Phone: 886-22-517-4938
Fax: 886-22-517-4937
LSI Logic logo design, The Communications Company,
DVxpert, and PerfectView are trademarks or registered trade-
marks of LSI Logic Corporation. All other brand and product
names may be trademarks of their respective companies.
LSI Logic Corporation reserves the right to make changes to
any products and services herein at any time without notice.
LSI Logic does not assume any responsibility or liability arising
out of the application or use of any product or service described
herein, except as expressly agreed to in writing by LSI Logic; nor
does the purchase, lease, or use of a product or service from
LSI Logic convey a license under any patent rights, copyrights,
trademark rights, or any other of the intellectual property rights of
LSI Logic or of third parties.
Copyright 2001 by LSI Logic Corporation.
All rights reserved.
Order No. I20093
1101.1K.JG.IK - Printed in USA
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