Our latest webinar on TMCnet was called Voice and Video over IP Communications: Assessing and Improving User Experience. As we already know that video calling is happening and we know how it fits into the UC world, we decided to discuss on this webinar the different issues related to the quality of video calling. The focus was around video, although we did deal with audio as well. For video, there are two main approaches for assessing and improving the quality
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By Tsahi Levent-Levi | June 23rd, 2010 | Filed under Uncategorized
Video over the IP usage is growing these days – it ranges from watching video clips (streaming), to uploading video content (to UGC websites) and to video calling. All this is done mostly over the Internet, which is a “best effort” network. This means that there is no guarantee that that which is sent will be received in real time, this of course includes video. This means that any video being sent over the Internet has to be protected for
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By Tsahi Levent-Levi | August 10th, 2009 | Filed under Technology
I’ve already coined the term “unattended software spoils faster than yogurt in the desert sun.” It deals with my preference of hardware over software. I guess that having this come from a software guy is a bit weird, but it is still true. In regards to the visual communications industry, it applies even more. We’ve just released our BEEHD product, which allows others to build and manufacture hardware based videophones. We’ve also just announced our partnership with Samsung, together creating
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By Tsahi Levent-Levi | July 2nd, 2009 | Filed under Clients
[We've just announced our Samsung-RADVISION VC240 HD videoconferencing LCD monitor and our BEEHD videophone engine. What we've noticed is that customers tend to ask a lot about our video codec in these products. Amit Klir, our "resident media specialist" for BEEHD explains what makes the video codec in our client product so great] As when giving a gift, customizing it makes the gift so much more effective: the same hold true with video codecs. When looking for one, you need
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By guest | June 22nd, 2009 | Filed under Clients, Technology
[The world is moving to video, so if you're dealing with VoIP communications and video is on your radar, there are some terms you probably need to know. I have asked Amit Klir, who is one of our video experts to compile a short list of the most essential terms in video coding.] As video over IP is becoming commonplace, more and more people are becoming involved with video applications development, integration, deployment and administration. As complicated as video
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By guest | December 11th, 2008 | Filed under Interoperability, Technology
Video based services are becoming a standard means of communication for both enterprises and service providers; however, video conferencing, surveillance and other video-based services are bandwidth hogs, making video quality a real issue when deploying them over live networks. Video quality is affected by a wide range of network parameters: bit rate, frame rate, packet losses, jitter, etc. Each can contribute to the reduction of the user’s quality of experience. As enterprises and service providers struggle to deploy video communication
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By Tsahi Levent-Levi | August 7th, 2008 | Filed under Technology
