helix mobile producer on-demand user's guide - RealPlayer

Helix Mobile Producer On-Demand User’s Guidegraphics, natural and synthetic sound, audio and video information, andstored and streamed material in one environment.bit rateThe rate of data transmission over a computer network. Helix MobileProducer On-Demand uses several bit rates. The target bit rate is thechannel capacity of the network. The maximum bit rate is a limit, lessthan the target bit rate, that Helix Mobile Producer On-Demand uses tofit data into the actual bandwidth for a streaming server. The audioencoder uses an average target bit rate and a maximum target bit rate forvariable-bit-rate encoding.broadbandA general term for high-speed Internet connections provided by DSL lines,cable modems, and T1 lines.CCBR Constant bit rate.CELPCode Excited Linear Prediction. An audio-encoding scheme used for verylow-bit-rate encoding, mainly for speech.CIF (pronounced “sif”)Common Intermediate Format. A video display size (352 x 288 pixels) wellsuited to higher bit rates.codecThe software that encodes and decodes an audio or video file. The word isa shortened form of coder-decoder or compression-decompression.DDV Digital Video.EHentropyA measure of the degree of disorder or chaos in a system. In the context ofstreaming media, as the entropy value increases, data compressionbecomes more difficult.hinted moviesMovies that can be streamed for broadcast over the Internet. A “hinttrack” contains information about the media file that enables the server tostream it properly.98