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    • 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.

    • How to Convert Windows Media to MP3

      How to Convert Windows Media to MP3

      The Windows Media format is the native file format for audio files saved in the Windows Media Player. When an end-user imports music from a CD or other source into the player, the default setting on the target computer will save the file(s) in the WMA or Windows Media format. Not all MP-3 or portable

    • IIR Filter

      IIR Filter

      An IIR (Infinite Impulse Response) filter is a foundation element in Digital Signal Processing (DSP). It is one of two types of digital filters used in DSP applications and is an alternative to Finite Impulse Response (FIR) filters. The response in IIRs is considered infinite since there is feedback in the filter and they may

    • How to Convert Audible AA Files to MP3

      How to Convert Audible AA Files to MP3

      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

    • How to Play WMV Files

      How to Play WMV Files

      The Windows Media Video format, or WMV, was designed by the Microsoft Corporation to support watching movies and Internet videos on personal computers. The WMV format allows large video files to be reduced in size or compressed to better support use over the Internet or a network while maintaining quality. In order to play WMV

    • How Do MP3 Players Work?

      How Do MP3 Players Work?

      A lot of people these days have some sort of MP3 player but there are still many people who have not yet experienced the capabilities that MP3 players possess nor the accessibility to music and other functions that they have brought to our society. Many people are still wondering why everyone is so fascinated by

    • 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

    • How to Connect a Laptop to a Projector

      How to Connect a Laptop to a Projector

        Although connecting a laptop to a projector is simple, without proper preparation, the projector connection can fail, resulting in a delayed or cancelled presentation. The most common way to connect a laptop to a projector is via VGA cable, with SVGA and S-Video cables providing alternative means of making the connection. A common task

    • How to Convert MP3 to WAV

      The MP3 (Moving Pictures Experts Group) audio file format is compressed in order to allow playback and exchange over the Internet and other size constrained media. Although most audio playback devices and software support the MP3 format, the WAV (Waveform audio) format is uncompressed and capable of storing more detail when further manipulating audio files.

    • How to Play M4A Files in Windows Media Player

      How to Play M4A Files in Windows Media Player

      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

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