Method for detecting video and audio quality of digital television program file

The invention relates to a method for detecting video and audio quality of a digital television program file. A system used by the method comprises an examination source, an automatic technical examination server and a plurality of automatic technical examination terminals. The method comprises the following steps of: selecting an examination and detection parameter template, submitting an automatic technical examination task, receiving a television program file to be examined, verifying a message digest MD5, extracting a frame, detecting, judging whether the examination is finished, and checking and transmitting the examined result. Due to the detection, a plurality of technical indexes of video and audio in the television program file to be examined are detected so as to obtain the examined result. The examined result can be transmitted to a manual technical examination system, the detection result is accurate to the frame, and the working efficiency is improved. Meanwhile, different examination and detecti