Welcome---2007

My best wishes to you and your families for a successful,eventful and exciting 2007.Hope you will have smooth slides down the tech-scape.

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What is A2DP,AVCTP,AVDTP,AVRCP?

In order to use Bluetooth wireless technology, a device must be able to interpret certain Bluetooth profiles. The profiles define the possible applications. Bluetooth profiles are general behaviors through which Bluetooth enabled devices communicate with other devices. Bluetooth technology defines a wide range of profiles that describe many different types of use cases. A2DP,AVCTP,AVDTP and AVRCP are Bluetooth protocol stack used by the profile. Advanced Audio Distribution Profile (A2DP) ;A2DP describes how stereo quality audio can be streamed from a media source to a sink. The profile defines two roles of an audio source and sink. A typical usage scenario can be considered as the “walkman” class of media player. The audio source would be the music player and the audio sink is the wireless headset. A2DP defines the protocols and procedures that realize distribution of audio content of high-quality in mono or stereo on ACL channels. The term “advanced audio”, therefore, should be distin...
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New Artificial Heart

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Dr Alain Carpentier's new artificial heart look very real expect for the colour and texture.The device is designed to be as similar as possible to the human heart The device beats almost exactly like the real thing using electronic sensors to regulate heart rate and blood flow. Developers Carmat now need approval from the French authorities before pushing ahead with clinical trials. Several teams from around the world have been working to develop the perfect artificial heart that could be fitted into the 20,000 patients worldwide unable to receive a life-saving heart transplant because of a shortage of donor organs. The new heart is covered with specially treated tissue to avoid rejection by the body's immune system and the formation of blood clots. However, the power supply for the heart remains a significant hurdle. Carmat, the company founded by Professor Carpentier and Europe's aerospace and defence giant EADS, says the battery could last for between five and 16 hours a...
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MS Windows 7

MS Windows 7, the next major release of the world's most popular operating system, goes public in trial form in the next week. A test version of Windows 7 will be available to developers from Thursday, while the public can try it out from 5 May. Microsoft is hoping it can avoid the negative press that surrounded the launch of Vista, the last major Windows release, almost three years ago. Windows 7 has been designed to be compatible with Vista so users do not have to invest in new hardware. A commercial release of Windows 7 is expected in the next nine months. Microsoft is hoping it can avoid the negative press that surrounded the launch of Vista, the last major Windows release, almost three years ago. Windows 7 has been designed to be compatible with Vista so users do not have to invest in new hardware. A commercial release of Windows 7 is expected in the next nine months. Windows 7 promises a major usability improvement on Vista, and a simplification of security measures which cau...
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