Advanced Video Technology Corp.

AVT's expertise and exclusive video conferencing package with its own Trade Mark ™ offers a complete and customizable solution to Panda Restaurant Group, Inc. only. The hardware, software and service solutions offered by AVT are suitable to all sites for internal video conferencing, training and all internal commutation proposes. Features in the unit are more advanced than any other stand alone video conferencing systems, giving users the feel of a face to face interaction. The technology employed by AVT requires a minimum 128 kbps allowing the system to operate on lower bandwidth connections. AVT offers advanced network communications such as file sharing, desktop sharing, program sharing, meeting record, meeting playback, and voice over internet protocol phone services. AVT's solution is scalable to meet the need of consumers and large corporations alike.

System Technical Specification for Video Conference/Remote Education/Messenger

Video Coding
Video Input USB
Hemisphere Lens Standard Collection Card
Video Code MPEG4-QB - MPEG4-BC - H261,H263,H263+
Video Frames PAL(1-25) - NTSC(1-30)
Information order protocol Combines the traditional H323 with advanced SIP through a good compatible between the two.
Transfer Protocol Adopt RTP/RTCP - base on TCP/UDP
Technical Specification for network video-on-demand
Support the following code rate: VCD/1.5Mbps - DVD/3-10Mbps - MP3: 128Kbps - Div-X/XVID/WMV: 300Kbps-3Mbps

Technical Specification for network video broadcasting
Support multicast /single broadcasting function - Delay <2 can match with multicast transmitting point
support chating conversation, support Mpeg1 and Mpeg4 formats.
Technical Specification for network video broadcasting
Support multicast /single broadcasting function - can match with multicast transmitting point?support chanting conversation, support Mpeg1 and Mpeg4 formats.
Video Conferencing System
Audio
Input Microphone/Line In
AGC(Automatic Gain Control)/AEC(Acoustic Echo Canceller)/NS(Noise restraint)/VAD(Video Acoustic Detect)
Audio Technology Video Image Resolution 160X120?176X144(QCIF)?240X176 - 320X240 - 352X288(CIF) - 640X480/704X576(4CIF) - 720X576
G723.1 5.3/6.3kbps 8khz, mono, 16bit GSM6.10 13.5kbps 8khz, mono, 16bit
G711 64kbps 8khz, mono, 16bit
CELP 4.8kbps 8khz, mono, 16bit

Preface

As computer hardware and networks advance, traditional communication methods have not satisfied current demands. Video Conferencing is an application system supporting long distance real-time communication and carrying out work cooperatively. On the other hand, based on the support from multimedia technology, systems can construct a virtual shared working space while it assists users sharing data information.
By conforming to mainstream internet applications in the future, Advanced Video Technology, Corp., has developed IP Video Conferencing System, which provides a data interactive platform by converging video, audio, image, word and data. The system is rigorously developed according to the national standard ITU-T trade standard and national standard. In the view of system effect, it has the advantage of steady and smooth audio/video, no Mosaics when moving, this saves time and cost and distinctively improves our efficiencies. With The AVT IP Video Conferencing System, video communication has breached through the traditional forms of meeting but has developed into an application integrated with virtual office. The system product has been used in some areas in China with widely received receptions and praises, and has many customer groups and good marketing potentials.
The advance and innovative for AVT IP Video Conferencing System.

1. Video
Supports MPEG4/H263 and H263+ code compatible traditional H323 and current SIP conference;
Adopt MMX tech, requiring very limited CPU resources for encoding and decoding
Adopt tech of dealing with image in background so as it is much more clear;
Adopt image compressing and extending tech, so that it will keep smooth and soft to see
Adopt tech of quality previous, thus can not only ensure clearness of moving objects but also save brand width for static ones

2. Audio
Supports G.723.1?G.726?G.711?GSM610 and MPEGLAYER3 video code compatible traditional H323 and current SIP conference
Adopt MMX tech, so occupies very limited CPU as encoding and decoding
Adopt mute detect tech, so video will save much more bandwidth and CPU resource, and shorten delay
Adopt AEC tech, to cancel echo.
Adopt NS tech, to control echo;
Adopt AGC tech to make voice sounding more clear and more melodious.

3. Distributed System Structure
One center: Users management and logion in unison;
Multi conferencing server: support several meeting and more audiences at one time.
Multipoint MCU: Support more video, audio and data streaming.

4. Support data conferencing
E-white boarding perform drawing collaboration, adding notes on it.
screen video to send your own screen content to others.
PPT others can receive content on your screen in the form of PPT, this will save much more bandwidth.
Screen Control With other's permission; you may control his computer, and can be kinescoped into local computer.
Document transfer to send files to each other.
Instant Communication to send text chat to each other.

5. Advanced network transfer technology
video transmission
Adopt RTP and UDP protocol?support QOS
Apply advanced network data modifying and audio transmitted in preference technology, thus ensure the short time delay and high quality of flaunt and smooth of video.
Video transmitting
Adopt RTP and TCP protocol?support QOS Apply advanced network data modifying and audio transmitted in preference technology, thus it ensures the short time delay and high quality of flaunt and smooth of video.

6. Adapts many access techniques for Internet
AVT IP Video conferencing/visual telephony System adapts many access techniques for Internet, has powerful agent service for relaying, cross WAN and LAN, and support LAN users via various ways for being online

7. Conferencing Records
Meeting process including data interactive can be recorded and kept as unit file for VOD later on.

8. Provides many kinds of conferencing arranging mode.

9. Compatible of H323 conferences

so even other user's terminal could also participate in AVT meetings.
Adopt MCU MP Tech, so that store various images and sound compressing for receiving by clients with separate different band width.
Introduction to Network Video Conferencing type.
According to different users' terminals, it can be divided into desktop video conferencing and video conferencing in conference room.
The conference in desktop applies to daily exchange for many users, usually can utilize local materials. Using the computer in the office, after being equipped with some fittings, then you can work on computer as communicating with others in the Video conferencing.
Generally, all conference users' terminals get high-quality image and voice using specialized video collection card and remote control hemisphere lens, then transmitting through broad band of 200Kbps/path or higher to conference room terminal to display to audiences by projection machine.
According to different client's situation, it can be divided into video conferencing for Enterprise and ASP video conferencing.
The terminals don't need firm IP. Support NetZen via agent, firewall, gateway and VPN users like many enterprises and other units do.
Video Conferencing products including software and hardware based on separate working style.
AVT IP Video Conferencing System is actually a suit of pure software solution. There is not any special equipment. To have video conference with it, the only unit you need is only an ordinary video capture card?or a USB camcorder, or you need nothing else at all except your notebook computer with internal MIC and speaker. It is
Because of the high compressing rate, software products' requirements to bandwidth of network is low, and as a result, it would support a great lot of users' need at the same time.

Constructing on the base of software, system upgrade is very easy. Owing to the advanced compressing and network transmission and control technology, hardware has nearly been eliminated. That is software that can protect customer's interests even more.
According to net kinds, there are ISDN?ADSL?LAN; video stream signal can transfer in either multi cast or single broadcasting way.
AVT IP Video Conferencing System can work in LAN, MAN, WAN, Internet. Its connection methods include PSTN, ISDN, Ethernet, xDSL to T1, SDH. Through gateway, NAT, agent, firewall, router, it can diffuse after being sent to the end of LAN.
Video Conferencing System Working Mode

Main application arrears for Video Conferencing System
Multipoint visual meetings, remote teaching, remote medicals, and remote commenting on stock market.

Instant Communication System is also called visual telephony system. Users can call any others as long as start terminal unit. In the process of communication, video and audio is transmitted synchronically. However fast the space distant is, both sides of communication will feel they are face to face. Additionally, it is convent enough for its users to realize functions mentioned above, whether you are working in office or traveling outsides, only if you bringing PC with you. The conclusion is that, it is your ideal business assistant of rather high quality.

Remote Education

Market Background for Remote Teaching
Ever since the twentieth century, the network educational undertaking has began to take shape. Now there are more than two hundred junior network schools with students registered of more than sixty thousands. Among these schools, more than thirty ones are located in Beijing. According to another report that, there are rather many more schools with educational resources are going to cooperate with network solution provider to construct new network educational schools. It is obvious that violent developing trend will keep in for a rather long period in future.
Remote Teaching Advantages
Network Remote Teaching completes most study and training actives based on the combination of education and network technologies. So that it can reach rather good teaching purpose.
The new studying style provides collaborative learning environment on net and realizes the aim to learn anytime and anywhere.
It can satisfies various levels of students with the personal requirements of different courses by means of integrated teacher resources in more range and network interactive so that it reach for the purpose of "one student, one outstanding teacher".

Allocation Area for Remote Teaching
Online remote teaching based on Internet/Intranet;
Multimedia teaching based large-sized school, including teaching cross school
Local online teaching based on education network;
Large area training based various industries

Video-On-Demand Broadcasting System

Introduction
AVT Video-On-Demand Broadcasting System is a suit of soft system which transmits through TCP/IP network the video and audio materials for users to watch/listen that stored on server. The system adopts the advanced multi level structures and DPA (Distributed Password Authentication) system organization form. Combine B/S mode with C/S mode. Support UNIX, LINUX, Solaris, and WinXP/2000 for cross operating system platforms. The platforms realize seamless connection. A video on-demand system is consisting of a management server and a media serve?They can be same server, and can be different in the one and the same system.
AVT Video-On-Demand Broadcasting System use can choose programs to be played based on personal preferences other than waiting for settled time to do this. Additionally, unlike the traditional TV program broadcasting in which users are fully in a passive position. The system provides more selects for users, and its program listing function is more convenient for user ordering programs.
Product Function Features
Product Function Trend of version
System Functions Introduction in detail
Original Functions

1. Support the playing of file format as following: MPEG-1?DVD/MPEG-2?MPEG-4/Divx?AVI?VCD?ASF?MP3, Audio and video meeting kinescopes?
2. Supports synchronous hypermedia. Load balance is conducted in priority for multiple on-demand servers.
3. Add to list, show the program on demand in menu, thus play the programs in order.
4. Change pictures on the playing page
5. Reset program attribute to set the introduction and author information about the very program.
6. Ranks?Automatically record program materials on-demanded that ever displayed. According to requesting the number of times and ranking the program.
7. Displaying way on the page: Form of the icon and table.
8. Program searching: searching in program's field, program type, and support fuzzy inquiry as well.
9. Player function.
Always on top of the display?the player window is always on top of any other programs.
Volume control: online adjust volume directly
Mute make the sound of the program quiet.
Tracks Settings on left and right tracks, stereo
Full Screen display the player in full screen.
Minimization Minimize the player.
Open files: Open other programs besides that on-demand.
Playing List: list all programs that added to it.
Playing control To play, to suspend, to play radically.
Language Choosing: Chinese or English.
TO improve the functions. To add to list To keep the page after adding a program to the list instead of return to the first page.
Open files Player can directly play programs opened by opening the file.
List new programs on top when setting them.
To improve the program searching functions.

New plus functions. For searching add a new way of according to click times.
Potential functions New version will separate VOD from broadcasting programs, and set up independent program storage.
New on-demand version will also be used to order video meeting, teaching kinescopes, and broadcast them.
Typical network structure.

Main application for video on-demand system
live broadcast system that applied within companies or enterprises, videos on-demand applied in housing district MAT and remote teaching used in schools, service trade like Karaoke, and so on

Living Video Broadcasting

Introduction
Video Living Broadcasting of AVT, Corp. including two different modes according to broadening media and both of them has the strong streaming broadcasting function. They are widely used in various industries such as electronic or broadcasting service provider, schools or training centers. Additionally, streaming broadcasting can also be extended into broadcasting, live broadcasting, multicast and record broadcasting functions.
The most difference between live broadcasting and broadcasting is that, the former is a kind of real time application while the later can be either real time or not, that is to broadcast former records. The situation is about the same to Record and Broadcast, a kind of broadcasting mode which stores the source programs into some file format by the corresponding code collecting modules, then broadcast programs later on. Multicast, the reason so called is regarding to users terminal structure, could save network bandwidth.
Function characteristics of products.
MPEG1 New functions of version 4.0

System Functions Introduction in detail
Original Functions
1. Support synchronous hypermedia and video stream relay
2. Directly broadcast programs while choose a certain channel
3. Player Functions
The last channel: Directly return to the last channel.
The next channel: Turn to the next channel
Always on top of the display the player window is always on top of any other programs
Volume control: online adjust volume directly
Mute make the sound of the program quiet
Tracks Settings on left and right tracks, stereo
Videoing: Recording the entire live broadcasting program and save on the computer in rout set previously.
Full Screen display the player in full screen
Minimization Minimize the player
Improved functions Remain performance steady for long time working.
Delete point to point transmission, but all adopt multicast way.
Adopt data transmitting mode through different net section
To improve clients' player so as to play for long-time work.

MPEG4 New functions of version 4.0
System Functions Introduction in detailed
Original Functions
1. Support synchronous hypermedia and video stream relay
2. Directly broadcast programs while choose a certain channel.
3. Voice Jitter: Prevent voice exceptions via network transmission.
4. Player Functions.
The last channel: Return to the last channel of the current one.
The next channel: Turn to the next channel directly.
Always on top of the display?the player window is always on top of any other program
Volume control: online adjust volume directly
Mute make the sound of the program quiet
Tracks Settings on left and right tracks, stereo
To kinescope To save the record of live broadcasting program in chosen path.
Full Screen display the player in full screen
Minimization Minimize the player
To improve functions Applied on LAN, adopt multicast technology.
System Procedure

Application arrear for AVT Network Living Video Broadcasting
AVT Network Living Video Broadcasting can be widely used for live broadcasting of kinds of meetings and TV programs alike.