• Main Menu
  • Audio-Video

    • How a Television Antenna Works

      How a Television Antenna Works

      "Low Tech" is the best way to describe a basic television antenna. Television antennas feature a series of elements cut to exact lengths which are designed to receive a compatible frequency from a transmitted television signal. Each element has a pair of metal rods (primarily aluminum based) extending from a boom. The key difference between

    • CSS (Content Scrambling System)

      CSS (Content Scrambling System)

      The Content Scrambling System, or CSS, is a Digital Rights Management, or DRM, encryption system that encrypts data on commercially-available DVDs and prevents users from copying the disc’s data to a computer file or another disc. The Content Scrambling System is also used to require all media player manufacturers to produce devices that are compatible

    • 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

    • Dish Network

      Dish Network

      Dish Network is a leading U.S. provider of satellite television entertainment services founded on March 4, 1996 by Charlie Ergen (Founder & chief executive). It is headquartered in Meridian, Colorado.  Dish Network currently provides satellite entertainment services to over ten million customers using DBS (Direct Broadcast Satellite) technology. Dish Network provides advanced digital satellite television

    • AA Files

      AA Files

      AA, or Audible Audio files, are audio files which are organized in a format optimized for people listening to spoken text. This article will explain what AA files are, list their pros and cons, and list a few programs that are able to support or convert AA files. What are AA Files AA, or Audible

    • How to Copy Slides to Disk

      How to Copy Slides to Disk

      If you have been enjoying photography for more than a few years, you probably have plenty of slides taken with analog cameras. Before digital photography, slides were a great way to view photos en masse. They were very small, making them light and portable and perfect for slide shows in homes, classrooms, and auditoriums. However,

    • How to Convert FLAC files to WAV

      How to Convert FLAC files to WAV

      The FLAC (Free Lossless Audio Codec) is an open source file format designed for the storage and playback of audio content. Unfortunately, the format is not supported on a number of music playback devices. The WAV (Waveform Audio File Format) is designed by Microsoft and IBM for both audio playback in uncompressed form. A common

    • DirecTV Access Cards

      DirecTV Access Cards

      A DirecTV access card is a type of electronic card, roughly the size of a credit card, which provides programming to subscribers. DirecTV access cards may be provided to a customer along with his/her receiver box or separately, but must be activated before any programming can be used. When the user chooses a package and

    • How Long Do Audio Cassette Tapes Last?

      How Long Do Audio Cassette Tapes Last?

      When properly cared for, an audio cassette tape can last 30 years or longer. However, many factors can shorten that lifespan considerably. The two most common causes of premature tape death are equipment malfunction (“The cassette player ate my tape!”) and heat (“The radiator melted my tape!”). Cassette Tape Lifetime Factors All cassette tapes were

    • DigiCipher II

      DigiCipher II

      DigiCipher II (DCII) is a Motorola proprietary digital video distribution system. DigiCipher II provides compression, encryption, and authorization. DigiCipher II compression is based upon MPEG-2. DigiCipher II is utilized for some TVRO transmissions. A Motorola 4DTV satellite receiver is required to decode DigiCipher II TVRO channels. DigiCipher II utilizes AC3 audio encoding.

    audio-video
    467 queries in 0.325 seconds.