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    • How CCTV Works

      How CCTV Works

      CCTV (Closed Circuit TV) uses one or more video cameras to transmit video and sometimes audio images to a monitor, set of monitors, or video recorder. The difference between CCTV and standard TV is that standard TV openly broadcasts signals to the public. CCTV is not openly transmitted to the public. CCTV uses either wireless

    • HDCP (High-Bandwidth Digital Content Protection)

      HDCP (High-Bandwidth Digital Content Protection)

      High-Bandwidth Digital Content Protection, also known as HDCP, is a newer form of Digital Rights Management (DRM) that was designed to control digital video and audio content. The technology was originally created by Intel to ensure that digital audio and video travelling across a Digital Video Interface (DVI) or High-Definition Multimedia Interface (HDMI) would follow

    • Refresh Rate

      Refresh Rate

      The Refresh rate is the number of times a display's image is repainted or refreshed per second. As it denotes a frequency of a process, the refresh rate is expressed in hertz. That is, a refresh rate of 75 Hz means the image is refreshed 75 times in one second. For academic interest, it should

    • Pay Per View

      Pay Per View

      Pay per view is usually defined as any TV entertainment that is purchased to be viewed once or for a set period of time. The most popular forms of pay per view programming are usually purchased and shown through cable TV or Satellite TV services. These programs include live sporting events such as boxing matches,

    • How to Record a Show from DVR to a Computer

      How to Record a Show from DVR to a Computer

      Many people these days have a DVR attached to their television set that allows them to pause, record, and playback TV shows and movies whenever they want. While this provides consumers with much-appreciated accessibility and flexibility, a growing trend worldwide is to connect a DVR to a computer in order to watch TV shows and

    • TV Channel Frequencies

      TV Channel Frequencies

      TV channel frequencies are radio spectrum frequencies that are assigned to specific television channels. Because the radio spectrum is so large, most television channels are able to associate themselves with a range of radio frequencies, usually on the MHz scale, at which television receivers can tune into their specific broadcasts. TV channel frequencies are crucial

    • Who Invented the Television?

      Who Invented the Television?

      Who invented the television is a hotly debated question. The invention of the television grew out of the invention of the radio. Since you can easily send sound through the air waves many inventors starting thinking of the possibility of not only sound being sent through the airwaves, but also images. On December 2, 1922,

    • How an LCD TV Works

      How an LCD TV Works

      From the wordings of the name, an LCD TV is a short form of Liquid Crystal Display Television. What is presented in an LCD TV to make it work the way we see it is founded on the special effects of substances of light and liquid crystals acting on each other. These are brought together

    • 1440p

      1440p

      As the demand for higher video quality increases, the video technologies that are available will also improve. Several video technology companies are producing televisions that are capable of showing high resolution images in the 1440p range, which is a 1440 pixel vertical resolution. So, with the standard 16:9 resolution format, a 1440p television would be

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