An LNBF (Low Noise Block-Down Feedhorn) Converter is a type of satellite dish that is used for satellite television and Internet access. It includes a device known as a feedhorn that is responsible for collecting radio signals reflected off of a parabolic dish. LNBFs are the most common form of LNBs and are necessary in …
Projectors have quite a variety of uses these days, whether in the boardroom or classroom to give a presentation, or the home to project digital, high definition TV and video to a screen. While there are many aspects that determine whether a projector will project high quality images (e.g. resolution, contrast, etc.), one type of …
One of the oldest animation techniques that is still in use today is rotoscoping. When using this technique, animators trace over live action film movement on each frame to use in an animated film. When it was first used, live action film images were projected onto a glass panel that was frosted where an animator …
Sometimes when your DirecTV system is malfunctioning, a message will appear on your television screen asking you to call a DirecTV extension. Here are the meanings of those DirecTV extensions. DirecTV Extension Explanation 711 Customer account is set-up but the system has not been activated (which is called a partial activation) 721 Channel is not …
An Audible AA file is a type of audio file format that is used with Audible eBooks. Only certain eBook readers are able to open and play Audible AA files but third-party software may be combined with specific PDF readers or other text editors in order to play this file format. Audible AA files are …
Many people in the multimedia industry informally refer to the Windows Media File format as the VC-1 format. Its formal name is the SMPTE 421 M standard. Microsoft initially released it in the spring of 2006 and it is widely supported on DVD players, Windows Media Player 9 and newer, and Blu-ray. WVC1 is the …
The problem with traditional 2D graphics image types such as JPG, GIF, and PNG is that image quality is lost when zooming inward on the picture. A vector image is created using equations that describe the respective image as objects. As a result, they scale more gracefully when enlarged. There are two methods to convert …
An M4A file (MPEG-4 Part 14) is an audio file developed for QuickTime and other MP4 players. Essentially, an M4A file is the same as an MP4 or MOV file, but specifically defines MPEG features and stores audio rather than video. M4A files contain file compression algorithms that allow them to be much smaller than …
VideoGuard is an encryption method that NDS produced. It is used for conditional broadcasting services such as broadband television and the Internet. Since satellites, radio towers, and all other broadcasting equipment broadcast signals without discretion to which subscribers receive them, VideoGuard is necessary in order to distinguish which television channels, Internet features, and other services subscribers are …
A DirecTV satellite dish may need realignment when strong winds, accidental movement, and various other situations occur. It may also become necessary to set up a dish that has come loose or one that was purchased without an installation plan. Whatever the case, individuals can alight the DirecTV dish on their own. Checking the Signal …