The invention relates to a method and a system for transmitting a video bitstream corresponding to n multiplexed variable bitrate coded video bitstreams, with coded audio bitstreams associated to said parallel video bitstreams. According to the invention, one or several audio parameters are defmed from said audio bistreams, and the bitrate allocations respectively associated to the parallel video bistreams are each one weighted by a weighting parameters corresponding respectively to each of said audio parameter(s).
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