1. A method for selecting a method from a set of methods of transcoding video data, said data being liable to be transmitted between at least two communication apparatuses via a communication network, wherein said selection method comprises the following steps: determining at least one weighting factor W 1, W 2 to attribute to each of the transcoding methods of the set, said at least one weighting factor depending on the data to be transcoded, weighting a mean value of at least one characteristic representative of each of the transcoding methods of the set by applying adapted weighting factors W 1, W 2, selecting a transcoding method as a function of the weighted mean values.