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AV Conferencing: In Collaboration We Trust
Continued from page: 1

Saturday, August 04, 2007

Another interesting application is when participants can not only view updates to spreadsheets simultaneously, but also input changes in real time. Apart from this it has also become effective for sales and marketing activities, and is quite reliable as a training tool as well. Other applications include providing information to shareholders, or to end-users through help desks.

Cost-effective Connection
From a cost perspective, Web marketing is a much more effective way to go. The challenge for companies is to make the presentations sufficiently warm and interactive to create a near touch-and-feel effect. The use of two-way video, instant messaging, and Web-based conferencing effectively counter that challenge.

Technology Drivers

VC MCU: There have been several advancements in the videoconferencing technology. Today, it has moved up from point-to-point communication to multiple locations involving several groups of people. The equipment that allows such a phenomenon is termed as an MCU (multi-point control unit). An MCU is a central multimedia server to which videoconferencing terminals are connected. The MCU manages the audio and video for each participant, providing a virtual meeting room for the group. For larger conferences, several MCUs can be serially added to increase capacity and perform load balancing.

HD MCU: When applications need high definition telepresence such as telemedicine, distance learning, and corporate training, some of the latest MCUs incorporate high definition (HD) continuous presence conferencing, allowing users to enjoy a crystal clear and full motion video format. With more than 10x the performance of standard definition (SD) MCUs, these HD units deliver conferencing without limitations or restrictions.

Webconferencing: In-built streaming servers that allow streaming of video, audio, and presentations to any Web browser have become the standard in current applications.

IP Video Conference Recorder and Streaming Server: The IPVCR allows you to record video, audio, and computer presentations from standard videoconferencing equipment. The content can be streamed live or played back on demand at multiple speeds to a PC or any videoconferencing endpoint.

IP Networks: With IP becoming an all-encompassing technology, its not surprising that the videoconferencing solutions too are transitioning to packet-switched IP networks from the traditional circuit-switched ISDN transmission. The various benefits include lower running costs, easier management and control, and remote monitoring.

Video Compression: New video compression formats such as H.264 provide up to 50% improvement in quality, thus enabling TV quality video on inexpensive IP or ISDN networks.

Data Collaboration: The H.239 standard is now universally adopted by all major videoconferencing manufacturers for data sharing, and making it simple for users to see the presenter(s) and the presentation (data) simultaneously. Now, a collaboration session via an H.239 video conference wherein distributed teams share PC-based documents, while also enjoying audio-visual communications, has the effect of a virtual conference room or classroom. Real time inputs and changes can be made on excel sheets or powerpoint presentations.

Wideband Audio: Wideband audio technology used in videoconferencing applications provides superior sound quality compared to standard telephone networks. AAC (the same algorithm used in MP3 players) is now used in videoconferencing systems resulting in superior speaker intelligibility, thereby reducing what is termed as meeting fatigue.

There have been marked changes in consumer preferences. While IT purchasers still place strong emphasis on cost minimization, today, there exists a bigger need among end-users to seek solutions that unify different forms of communications and help solve specific business problems.

Enterprises require an interactive tool that can incorporate communications, computing and audio/videoconferencing. This would comprise technologies that allow people in remote locations to collaborate electronically via voice or face-to-face, and in real time, and share all types of information, including data, documents, sounds, and images.

Audio, video, and webconferencing have resulted in huge cost reductions in travel across geographical boundaries. These benefits come in various forms: allowing multipoint meetings across time zones and international borders; reduction in costs of travel and executive time; reduced communication costs; archiving, whereby conferences could be tapped for future reference; real-time sharing of files and presentations; improved effectiveness of meetings with enhanced fluency and focus; bringing together dispersed groups at short notice; savings on infrastructure costs by opening offices at remote locations, etc.

Conferencing solutions release the business potential via attractive economic benefits based on usage of converged resources. It brings about the organizational agility and the flexibility to work from remote locations as well, besides providing applications that increase productivity and efficiency. IP telephony sales are thus likely to grow from 7% in 2002 to 46% by the end of 2007.

There has been growing demand for managed/hosted solutions as well. The reasons being the need for reducing capital expenditure, optimizing internal operations and bringing down operating expenses, enabling rapid deployment of new applications and services, and leveraging on the specialized expertise of the vendors, channels, and service providers in managing complex networks.

Videoconferencing is a significant breakthrough in communications technology. It has been adopted globally and is being used in various fields and facets of life, as people are now aware of its innumerable tangible and intangible benefits. One of the many advantages of videoconferencing is the possibility to communicate at all levels, including making use of body language, which plays a significant role in effective communication.

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