PAL彩色電視信號的高效編碼
HIGH-EFFICIENCY CODING FOR PAL COLOR TELEVISION SIGNAL
-
摘要: 從我國PAL制電視信號的固有特點出發(fā),本文指出,若對PAL全信號采用fs=2fsc的亞奈奎斯特取樣和DPCM編碼,并利用消隱期間傳送有效區(qū)數(shù)碼,可實現(xiàn)在PCM三次群信道上傳送一路彩色電視信號。Abstract: Proceeding from the specific characteristics of PAL television signals adopted in China, this paper points out that if the fs=2fsc of sub-Nyquist sampling and DPCM-encoding is used for PAL complete signal, and if the blanking time is utilized to transmit code of effective area, it is possible to transmit a color TV signal over PCM three-group channel.
-
J. Rosin, Signal Processing, 22 (1991)2, 187-198.[2]T. S. Rzeszewski, R. L. Pawelski, SMPTE Journal, 95(1986)9, 889-898.[3]程玉林,亞奈奎斯特取樣的PAL彩色信號,安徽大學學報(自然科學版),19(1992)1,45-51.[4][4][5]何英英等譯,數(shù)字電視演播中心譯文集,上海工業(yè)大學出版社(籌),上海,1987,第二篇.[6]王貽良, 尤婉英等譯,數(shù)字電視人門,科學出版社,北京,1982年,第78-94頁. -
計量
- 文章訪問數(shù): 2129
- HTML全文瀏覽量: 178
- PDF下載量: 666
- 被引次數(shù): 0
下載:
