High-definition, or HD, video refers to a digital video with a minimum resolution of 1280 by 720 pixels. In video technology, it is considered as third generation.Know More
The first generation of video technology started with analog video before proceeding to standard definition, or SD, digital video. HD video is bigger in file size, screen size and resolution compared to the other two. It is not based on PAL or ASTC standard, unlike the other two.
There are three main types of HD video, 720p, 1080p and 1080i. The letter "i" stands for interlaced frame while "p" stands for progressive frame. Both 1080p and 1080i have a resolution of 1920 by 1080, while 720p has a resolution of 1280 by 720.Learn more about Television & Video
Ultra high-definition video, commonly referred to as 4K video, is a video resolution standard in television and video playback. It has approximately 4,000 horizontal pixels, which creates a resolution that is four times that of high-definition television.Full Answer >
The equipment needed for video conferencing is as follows: a display device, audio equipment, a network connection and a codec device. A monitor or projector could be used as a display device. A speaker or microphone could be used as audio equipment.Full Answer >
In general, Windows Media Video, or WMV, provides the best quality in the smallest size. Besides format, however, codecs and other aspects of video rendering make huge differences to the size.Full Answer >
Video conferencing is very reliant on technology, so audio or visual problems may affect the conversation. These basic issues can make communication more difficult between parties. Even if both parties have proper equipment for the video conference, bandwidth issues can cause problems with the reception, forcing the sound or video to be temporarily lost.Full Answer >