Patent ID: 7991908

Claim:
A method for managing the delivery of multimedia contents to users' communications terminals over a communications network, comprising transcoding the multimedia contents to be delivered, said transcoding comprising: determining an adaptive transcoding method based on historical information of previous transcoding operations; performing a transcoding of the multimedia contents to be delivered according to the determined transcoding method to obtain transcoded multimedia contents to be delivered; and updating the historical information according to the performed transcoding of the multimedia contents to be delivered, wherein the historical information includes; a plurality of counters each corresponding to one value of a plurality of values for a transcoding parameter and identifying a number of times the corresponding value has been previously used in performing transcoding, a plurality of weight factors each corresponding to one value of the plurality of values for the transcoding parameter and being derived by normalizing the counter corresponding to the one value, and a plurality of user perceived quality of service values each corresponding to one value of the plurality of values for the transcoding parameter and being represented by the weight factor corresponding to the one value.