The data packets are exactly those needed to deliver the disruption-free video. The researchers use extra data packets in the transmission process to save the information if anything unexpectedly happens.

For example if two video packets are to be transmitted, an additional data packet is added equal to the sum of the bytes in the two video data packets. If any one of these transmitted data packets gets lost, the original information would be able to retrieve from the other two data packets. This was told by Wiegand.

This new coding format makes safe the most important part of the video. It makes it possible to restrict the extra data packets in keeping the major information. If it happened something undesirable, only the quality of the video will be affected. The extension of the H.264/AVC format is given the name of SVC. SVC stands for scalable video coding. It can work on all H.264/AVC-compatible devices. So you do not require purchasing new devices to use this video formatting.

Furthermore, it functions on its own, without any support of the overall data volume. It ensures error-free reception even in the case of high-resolution TV. The work on SVC standardization has reached to its completion. It will be used in different applications in near future. Some of these applications would be HDTV, the Internet, video conferences, surveillance technology or mobile radio.

This new extended format is displayed at the IBC conference held in Amsterdam. The conference continued from Sep-12 to Sep-16.

Video coding techniques always needed to be enhanced. Digital images often results disrupt video display. The new video coding technique is introduced with the name of H.264/AVC.
It will ensure the protection of the most significant part of the information and will transmit data packets safely to in reaching the receiver.

For example if you are watching your favorite detective series. And at its climax, the very severe thunderstorm outside disturbs the digital image on your TV. The picture starts moving with still movements and it becomes difficult to detect the murderer. Why such things happen? The reason is its crystal-clear image quality. It causes its disruption. In the high definition TV or HDTV, it is having an increased volume of data.

In this situation the data packets are at exposed to a chance of damage during transmission. There is a chance of loss of information. This lays a big trouble for developers of video coding techniques. It becomes difficult for developers to recover the data if it is once lost. It requires extra effort to correct the error.

The researchers from three different German institutes are doing research work on improving standardized video coding techniques. These institutes are Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institute and HHI in Berlin. The research work is being done on techniques like the H.264/AVC format. The video technique is used by the YouTube video portal and Apple’s QuickTime player.

If an Internet connection becomes overloaded data packets are randomly discarded during transmission of information. The viewer sees a jerky picture as a result of that. The new extension of the H.264/AVC coding format saves the important parts of the data packets from being lost. This results in clear broadcasting without error. This was stated by Thomas Wiegand. He is the head of department at the HHI and a professor at the Berlin Institute of Technology.

Introduction:

SilverLight is the enhanced version of ASP.NET AJAX. SilverLight want to compete with Adobe Flash, Adobe Shockwave, Java FX, and Apple QuickTime etc. Now we can develop the more users friendly and rich web applications in ASP.NT. SilverLight Applications look more closly to the Desktop Application (DA).

SilverLight provide us help to develop apps with:

1. Customize buttons, textboxes, labels, forms and panels etc.

2. Animated Asp.Net Application. E.g. http://www.vertigo.com/SlideShow.aspx

3. User Friendly Charts for large organizations.

4. Image Sliders etc.

5. Efficient use of bandwidth.

Installation procedure:

Source: http://silverlight.net/GetStarted/

Download and install the

Microsoft SilverLight 1.1 Tools Alpha for Visual Studio 2008

Description:

Alpha tool is an add-on for the VS 2008. After installation open the VS 2008 and click on the New Project and then click on the Visual C#. You will see 2 options ‘SilverLight Project’ and SilverLight Class Library. Now you can develop the SilverLight Project or Class Library for SilverLight Project.

SilverLight SDK (Software Development Kit):

Source: http://silverlight.net/GetStarted/

Download the documentation or visit online. If u want to download the documentation and download the “Microsoft SilverLight 1.0 Software Development Kit”

Sample Projects:

Source: http://silverlight.net/community/gallerydetail.aspx

Videos, online SilverLight project (with documentation). Simple download the project and documentation and start develop the next generation application from today.