Patent ID: 8649278

Claim:
A method of multimedia service performance monitoring applied to a system including a transmitting end, a receiving end and intermediate network transmission nodes, comprising the following steps: (a) a reference point acquiring and storing an association relationship between a multimedia packet identification number and corresponding multimedia information, wherein the corresponding multimedia information is multimedia data information corresponding to the multimedia packet identification numbers, or characteristic information extracted from multimedia data, or compression coding information of multimedia data, and wherein the corresponding multimedia information includes an image frame sequence number, a macro-block start position a macro-block end position and a motion vector of a macro-block; (b) a sample point ordering received packets according to the multimedia packet identification numbers, detecting integrality of the packets, and if there are lost packets, feeding their multimedia packet identification numbers back to the reference point; and (c) the reference point obtaining the corresponding multimedia information according to the identification numbers of the lost multimedia packets returned by the sample point and the stored association relationship between the multimedia packet identification number and the corresponding multimedia information without decoding the corresponding multimedia information at the reference point, and then evaluating multimedia service quality of the sample point.