source codec 中文意思是什麼
source codec
解釋
信源編解碼器-
Standards of digital tv broadcast has specified transmitting systems which are based on various medium such as satellite - oriented transmitting system ( dvb - s ), cable - oriented transmitting system ( dvb - c ), terrestrial - oriented transmitting system ( dvb - t ). different system adopts different methods of channel codec, modulation and demodulation, but for signal source block codec, only mpeg - 2 standard has been applied for all the systems. as a compression standard being specified in digital tv broadcast transmission, mpeg - 2 has been widely involved on compression occasion
對于數字電視信號的傳輸,數字電視廣播標準制定出基於多種媒質傳輸的傳輸系統,如衛星傳輸系統( dvb - s ) ,電纜電視傳輸系統( dvb - c ) ,地面廣播( dvb - t ) ,不同的傳輸系統制定不同的通道編碼和調制解調的方法,但是對于所有傳輸系統的信源編碼則一律採用mpeg - 2這一標準。
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