High Definition is the newest set of standards for high quality video conferencing. High Definition standards have been defined by the ATSC (Advanced Television Systems Committee) as picture resolutions of 720p and 1080i/1080p. High Definition has a refresh rate of 24,25,30,50, 60 frames per second and a resolution image of 1280x720 pixels or 1920x1080 pixels. The higher number of pixels translates into sharper and clearer pictures. The higher refresh rate results in less flickering to the human eye. High Definition uses the progressive scan format rather than interlacing, treating the entire video image as one frame and does not suffer from jagged edges in the picture.
Polycom HD Voice delivers over twice the clarity of ordinary phone calls for life-like, vibrant conversations. Polycom HD Voice products have wideband technology for over twice the clarity of ordinary phone calls. Polycom's patented Acoustic Clarity Technology 2 combines next generation industry leading full duplex, echo cancellation, and noise reduction with advanced voice processing.
Videoconferencing is a live communication between people in separate locations. It usually involves audio and text as well as video. Videoconferencing in its simplest form transmits static images and text between two locations. Sophisticated video systems today can transmit full-motion video images and high-quality audio between multiple locations.
Video conferencing solutions comprise of everything you need to enable video communication between people in separate locations. Video conferencing systems can range from simple desk top systems for one-to-one video calls through to a sophisticated system, fully integrated into the design of your room for a video call between many people at a number of different locations.
A VPN is a network that uses public telecommunication infrastructure, such as the Internet, to provide remote offices or individual users with secure access to their organization's network.
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