H.264编解码系统的测试与改进

his paper aims to test and improve an H.264 codec systems and mainly focus on the part of analog and digital interface (PAL codec module). Through combining of Video Test Principles and practical applications of VM700 video test instrument, various video testing methods is presented in this thesis. Based on theoretical analysis of the PAL codec principles, combining with detailed test data, an improvement strategy of Philips SAA7113/SAA7121 is proposed in this thesis. Through i2c configuration, the unqualified items can be adjusted to the range of the GB, which certificated the effectiveness of the proposed strategy.