ADVANTAGES: Video teleconferencing offers a wide variety of goodness to both individual user, as well as business organizations. Here some benefit for this service. Audio teleconferencing is whole lot cheaper than others. Moreover it is easier to use since it takes advantage of a technology that is relatively familiar to all of us. Furthermore, we can enhance it by combining communication lines with other mediums such as computers. DEFINATION: Audiographics teleconferencing can be used for meetings and distance learning. It uses narrowband telecommunications channels to transmit visual information such as graphics, alpha-numeric, documents, and video pictures as an adjunct to voice communication. Other terms are desk-top computer conferencing and enhanced audio. Devices include electronic tablets/boards, freeze-frame video terminals, integrated graphics systems (as part of personal computers), Fax, remote-access microfiche and slide projectors, optical graphic scanners, and voice/data terminals. HOW'S IT WORKS?: Audiographics teleconference is able to utilise the PSTN because graphic and data files can be pre-shipped or loaded into each site prior to an actual conference. Data traffic is confined to calling existing files and creating annotations using interactive tools similar to basic "paint" applications. New files can be introduced and distributed during a conference with transfer time depending upon their size and the slowest line speed. Even 2400 b/s is sufficient to enable an audiographic teleconference. ADVANTAGES: Here some benefit for audiographis teleconference which are enable organizations and individuals to deliver in-house training to remote and regional areas. It also maintains the quality of teaching and learning. Besides that, it receives courses from providers without leaving the distant locality and it conduct meetings and disseminate information. WEB TELECONFERENCING For conclusion, there are tons of providers that offer high quality services and for cheaper prices too. One just needs to carefully think over which provider to choose to get the best value.
DEFINATION
A teleconferencing is a video or telephone meeting between two or more location and participant. They can expand the discussion to more than two people. It uses communications network technology to connect participants’ voices. They are two ways are used for conference call among the participants which are speaker telephones and radio system. Some remote areas satellite enhancement of connections is desirable.
Types of TeleconferencingAUDIO TELECONFERENCING
DEFINATION: Audio teleconferencing is use conference calls for regular meetings and a wide variety of other meeting types as well as training sessions. This is the lowest cost alternative in the conferencing game and is the entry point that most businesses and people will be familiar with. This is perhaps make it most popular. For a different company may have several different choices when it come to audio services, such as the number of participant you can have on your call, pass codes, secure access, local or toll free call in numbers, operator assisted, polling, question and answers, scripts, lists, event manager, or even dial in or out services.
HOW'S IT WORKS?: It works two or more speakerphones and several dial up numbers. These numbers can be either local or toll free long distance numbers. You also have the option of having this done on your own and you run the long distance charges on your own or you can sign up for one of several audio conferencing services. These services will offer several package types that will handle the dial up, long distance and logins differently depending on the type of package that you sign up for. With most services, you would set up a meeting for a specific time and there will be either local or toll free numbers available for each person to call in on. You would in turn enter the required information to gain access to the meeting that you have been invited to attend. Then everyone is either on a single handset or at a table surrounding a speakerphone of some type.
DISADVATAGES: There are some drawbacks for this service. Audio conferencing transmission may be of poor quality at times since it relies on phone lines. Noise can affect the conversation and may even cut the host out. Also, the presence of a facilitator is needed especially when a conference consists of a large number of people. We all know that communication is not only verbal and this may also pose as a problem with the audio conferencing. This communication medium does not support visual images so the participants of the conference do not actually see each other. This kind of setting may be a little impersonal since you cannot see and understand the body language and cues of the people you are talking to.
VIDEO TELECONFERENCING
DEFINATION:It combines audio and video to provide voice communications and video images. It can be one-way video/two-way audio or two-way video/two-way audio. It can display anything that can be captured by a TV camera. The advantage is the capability to display moving images. In two-way audio/video systems, a common application is to show people which create a social presence that resembles face-to-face meetings and classes and enables participants to see the facial expressions and physical demeanour of participants at remote sites.
HOW'S IT WORKS?: Video teleconferencing works by compressing video and audio signals using codec. Codec is the abbreviation for Coder-Decoder, is responsible for all of the encoding and decoding of information. It will transmit and receives signals in the H.320 protocol. Before the transmission, codec will converts analog signals to digital signals and compresses the digital signals. Incoming audio and video must be decompressed and converted from digital back to analog. Video teleconferencing connections may be limited to a closed network (such as a LAN) or may use public networks (such as regular phone lines). Many connect via ISDN (Integrated Services Digital Network) because these are the more economical solution for high-quality video teleconferencing.
ADVANTAGES: There are some benefits for video teleconferencing. It reaches anyone you need to reach immediately, no matter what time of day it may be for anyone involved. Time differences between states and countries can be overlooked without anyone travelling long distances for the conference. Besides that, Virtual whiteboards allow people from different locations to add in their own thoughts or ideas into one collaborative space. This enables everyone to form a plan of action or collaborate on a design or slogan instantly.
DISADVANTAGES: But there also have some drawbacks which are the price may be the biggest drawback for some people, though there are very cheap options if you do not require the more advanced features. Usually, a business that can make good use of the more advanced features often finds that the money they save flying clients or employees around the country or world more than makes up for the cost of the service provider. Other than that, there are some human ways of communicating that do not translate very well over a distance, such as eye contact. When you sit in the same room with someone and listen to a speech or presentation you will make eye contact and they will judge who is paying attention by looking around the room. Much of this contact is not easily delivered through a webcam.AUDIOGRAPHICS TELECONFERENCING
DEFINATION: Web teleconferencing enable two or more logged in users for a real-time, online conversation across the World Wide Web. With a Web Conference, two or more can connect and share one work environment, documents and application. It allows information transition in the form of graphics, text, digital sound or digital video. Usually web conferencing is accompanied by voice communication, either through a traditional telephone conference, or through VoIP, although sometimes text chat is used in place of voice. HOW'S IT WORKS?: During an online conference, all involved parties sit at their own computer after logging into a service, which provides a bridge to other applicable participants – via a webconferencing connection. Participants will be able to listen to, view, as well as communicate with presenters who are attached to the web conferencing line of communication. Features range from basic screen sharing with presenters to conversation relay, where VoIP (Voice over Internet Protocol) phones offer a chance for participants to articulate their opinions and answer questions. Some of the services also utilize text chat instead of voice options.ADVANTAGES: The benefits for this type are this online form of information transfer offers an assortment of advantages for companies and other realms of communication. For instance, web conference also includes seminars that are given over the Internet, which are also known as webinars. This kind of Internet web conferencing is often used throughout online study, as professors use this interactive mode of contact to reach their students and facilitate discussions as a group, instead of sending a lecture through a webcast. DISADVANTAGES:There are some drawbacks for this type which are the cost to facilitate and hold an Internet web conference might be too steep for some companies to indulge in as much as they would like. Worse to worst, in the event of a blackout or loss of power, the connection will abruptly end, causing confusion, which can easily be explained later. In order for web conferencing to benefit all parties involved, they must arrive on time to avoid any costly delays in communication.
posted @ 6:31 AM |
