Variable-rate encoding is one of the possible techniques to limit the effect of rain fade in
A system using variable-rate encoding would change the encoding rate to maintain an acceptable
bit error rateon the signal that is received by the users.
Wikimedia Foundation. 2010.
Look at other dictionaries:
Variable bitrate — (VBR) is a term used in telecommunications and computing that relates to the bitrate used in sound or video encoding. As opposed to constant bitrate (CBR), VBR files vary the amount of output data per time segment. VBR allows a higher bitrate… … Wikipedia
Bit rate — Bit rates Decimal prefixes (SI) Name Symbol Multiple kilobit per second kbit/s 103 megabit per second Mbit/s 106 gigabit per second Gbit/s 109 … Wikipedia
BIT RATE — T&F In telecommunications and computing, bit rate (sometimes written bitrate, data rate or as a variable R) is the number of bits that are conveyed or processed per unit of time. The bit rate is quantified using the bits per second (bit/s or bps) … Audio and video glossary
Multiple sub-Nyquist sampling encoding — MUSE (Multiple sub Nyquist sampling encoding), was a dot interlaced digital video compression system that used analog modulation for transmission to deliver 1125 line high definition video signals to the home. Japan had the earliest working HDTV… … Wikipedia
Entropy encoding — In information theory an entropy encoding is a lossless data compression scheme that is independent of the specific characteristics of the medium. One of the main types of entropy coding creates and assigns a unique prefix free code to each… … Wikipedia
Multiple sub-nyquist sampling Encoding system — MUSE (Multiple Sub nyquist Sampling Encoding System), also known as Hi Vision for marketing purposes, was an early high definition analog television standard developed in Japan. Japan had the earliest working HDTV system, with design efforts… … Wikipedia
Rain fade — refers primarily to the absorption of a microwave Radio Frequency (RF) signal by atmospheric rain, snow or ice, and losses are especially prevalent at frequencies above 11 GHz. It also refers to the degradation of a signal caused by the… … Wikipedia
VMR-WB — Variable Multi Rate – WideBand (VMR WB) is a source controlled variable rate multimode codec designed for robust encoding/decoding of wideband/narrowband speech. The operation of VMR WB is controlled by speech signal characteristics (i.e., source … Wikipedia
telecommunication — [tel΄ə kə myo͞o΄ni kā′shən] n. [also pl., with sing. or pl. v.] communication by electronic or electric means, as through radio, telephone, telegraph, television, or computers * * * tel·e·com·mu·ni·ca·tion (tĕlʹĭ kə myo͞o nĭ kāʹshən) n. 1. The… … Universalium
VBR\/CBR\/ABR — T&F Variable bitrate (VBR) is a term used in telecommunications and computing that relates to the bitrate used in sound or video encoding. As opposed to constant bitrate (CBR), VBR files vary the amount of output data per time segment. VBR allows … Audio and video glossary