Java Abs Implementation Of Vvoip


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Java Abs Implementation Of Vvoip

  1. 1. IMPLEMENTATION OF VVOIP VOICE AND VIDEO OVER INTERNET PROTOCOL INTRODUCTION Video Conferencing is a form of communications involving the transfer information between two or more locations. The connection between these locations is the communications channel and is called the network. It is the network loading in terms of required bandwidth that needs to be considered. Bandwidth is the resource of a network. It is the term given to the rate of transfer of information, usually in bits/second; it is like the speed limit of the network and cannot be exceeded. Analogues can be made between speed and bandwidth. If we wanted to know how long it would take to travel 1000 km when we are limited to 50 km/h; then a simply calculation of 1000 divided by 50 shows that it would take 20 hours. Likewise, if we wanted to transfer one megabyte of data across a network with an available bandwidth of 9600 kbps, it would take just over 14 minutes. Available bandwidth is the limiting factor with desktop conferencing and sending video creates lots of data. Consider a typical video image size of 352x288 pixels; then this represents 101376 pixels or 304128 bytes of information per single frame. Now consider how many frames per second that we want to see; this is called frame rate. The human eye perceives 25 frames per second as continuous motion, therefore using this rate in our calculation means that if we wanted to see continuous motion video at this image size, we would need to transfer 304128 x 25 or approximately 7.2 Mbytes per second. It is clear from the above example that video can place enormous demands on the network and hence why available bandwidth is the bottleneck with desktop conferencing systems. There are essentially two ways of reducing the impact of this bottleneck. One is to use a faster method of communications that increases the available bandwidth to the conference; the other is to utilize methods that reduce the amount of data to be transmitted and use systems that support H.264 compression. In today’s business climate, companies are highly concerned with safety, time and cost-related issues. As a result, video conferencing is more relevant than ever, and the benefits are significant. VVOIP works closely with you to design the company’s customized video conferencing environment. By drawing on years of recognized industry leadership, VVOIP delivers solutions to meet all of the global video conferencing needs. The trade-off factors involved in determining the best system for the corporate situation will be: Expectation Levels Number of Location of Available Bandwidth Participants Participants Acceptable Quality System Management Usage Concept
  2. 2. VOIP solutions that feature special phones provide a high-quality, rich communications experience, deliver productivity-enhancing new applications, and offer significant cost savings through consolidation of network costs for voice and data, and elimination of costs of phone moves, additions, and changes. With the greatest breadth and depth of integrated video, voice, and Web solutions, only the proposed VVOIP delivers the ultimate communications experience. AIM/OBJECTIVE OF THE PROPOSED SYSTEM VOIP, also called as Internet telephony or IP telephony, is the transmission of Voice telephony services over IP, the Internet protocol. Video conferencing allows people to communicate face- to-face without the tremendous cost of travel (airfare, hotels, rental cars food etc). The aim or objective of this project combines the special features of video conferencing as well as VOIP to build an innovative facility called VVOIP (Video Conference with Audio Transmission through VOIP) Using VVOIP, people can assemble in their normal conference room with one or more cameras and microphones and get their work done without the time and expense of travel. EXISTING SYSTEM There are lots of readymade VOIP software available. We need audio as well as video conferencing applications with VVOIP Most of the videoconference system are compressed and decompressed using a CODEC technique and later transmitted using the readily available telephone line. The problem with the conventional telephone line is its limited bandwidth Moreover the telephone line is intended for voice only and the telephone line does not handle video signals very well, because video contains much more information than audio and hence it is a very complex mechanism to handle this situation efficiently PROPOSED SYSTEM SOFTWARE REQUIREMENTS Operating system : Windows XP/2000 Software : JDK 1.3 or higher Database : SQL Server 2000 PROPOSED SYSTEM HARDWARE REQUIREMENTS: Processor : Intel Pentium PIII or higher RAM : 128 MB or higher HDD : 80 GB HDD FDD : 1.44 MB or higher Monitor / Keyboard / CD drive
  3. 3. PROPOSED SYSTEM DESCRIPTION The proposed system is the server based video conferencing system. This system provides audio and video conferencing. The client should have the control to transmit and receive according to his or her own requirements. The proposed system can be used effectively in tele-medicine areas, in education field, in training field etc, i.e. EG: Video conference plays an important role in tele-medicine application enabling doctors to interact with patients through audio and video conferencing. SYSTEM REQUIREMENTS A server that controls different clients A client which can be used as a conferencing tool Audio transmission for clients Video transmission for clients Audio reception for clients Video reception for clients Text chat facility for clients PRINCIPLE OF WORKING Conducting a conference between two or more participants at different sites by using computer networks to transmit audio and video data. For example, a point-to-point (two-person) VVOIP system works much like a video telephone. Each participant has a video camera, microphone, and speakers mounted on his or her computer. As the two participants speak to one another, their voices are carried over the network using VOIP and delivered to the other's speakers, and whatever images appear in front of the video camera appear in a window on the other participant's monitor. Multipoint videoconferencing allows three or more participants to sit in a virtual conference room and communicate as if they were sitting right next to each other. Until the mid 90s, the hardware costs made videoconferencing prohibitively expensive for most organizations, but that situation is changing rapidly. Many analysts believe that VVOIP system will be one of the fastest- growing segments of the computer industry in the latter half of the decade.
  4. 4. ABOUT THE PROPOSED PROJECT: A VVOIP (also known as a videoteleconference) is a set of interactive telecommunication technologies which allow two or more locations to interact via two-way video and audio transmissions simultaneously. It has also been called visual collaboration and is a type of groupware The proposed VVOIP is an integrated software with Video conferencing as well as VOIP technology. A typical VVOIP systems consists video transmission, which digitizes and compresses audio and video signal. This signal is decompressed at the receiving station where it is reconstructed to resemble the original information. Compressing and decompressing information is accomplished using a CODEC (Compression – DeCompression schemes). Speech codecs are specialized audio codecs that look for voice patterns and characteristics. Since the human voice falls into a much more limited audio range than music, a speech codec is able to compress voice conversations even further. Compressing audio and video is a two-stage process. The first stage converts the signals from the source into an uncompressed digital format. At that point, one of several compression algorithms is used to further compress the digital code. PROPOSED SYSTEM FEATURES IP video conferencing network provides reliability and performance enhancements over legacy video networks such as ISDN. The proposed VVOIP is fixed-fee, unlimited usage plans are more economical than ISDN-based video conferencing environments, and provide a lower, more predictable network and multi-point conferencing expense.
  5. 5. In addition, VVOIP can be implemented without impacting our existing data network and provides for a completely secure conferencing environment. Streaming Video Solutions -VVOIP provides a complete array of user-friendly streaming video solutions that allow us to create, manage and distribute our corporate communications. Non-technical business professionals can now easily record meetings and presentations and create interactive presentations from in-house conference rooms with the same high-quality results as professional media studios. Audio Conferencing Solutions VVOIP audio conferencing solutions provide an easy and cost- effective way to conduct conferences via telephone with a disbursed group of employees, customers or partners. Audio conferences, whether traditional PSTN or Voice over IP (VoIP), can be used as a cost-effective complement to travel and face-to-face meetings. Users can quickly set up and manage virtual meetings from any telephone resulting in better communication and collaboration along with a significant cost savings advantage over traditional audio conferencing services. PROPOSED SYSTEM MODULES 1. LOGIN MANAGER 2. RECEIVER READY STATE 3. AUDIO CONFERENCING- VOIP TOOLS 4. VIDEO TRANSMISSION USING VIDEO CONFERENCING 5. REPORTS