电视行业是我国民生行业中一个重要组成部分。随着科技以及经济的快速发展,数字电视被广泛应用。数字电视就是从信源开始,将电视信号经过量化、编码转换成由二进制数组成的数字式信号,然后对数字信号进行信源压缩编码、纠错、交织与调制等信道编码 Television industry is an important part of China’s livelihood industry. With the rapid development of science and technology and economy, digital television is widely used. Digital television is from the source, the television signal is quantized, the code is converted into a binary signal composed of digital signals, and then the digital signal source coding, error correction, interleaving and modulation channel coding