A method and a system enabling inter-destination synchronization of processing of content of at least a first and second media stream, wherein said first and second media stream are associated with one or more markers for marking one or more content parts of said first and second media streams respectively. The method comprises the steps of: detecting a first marked content part in said first media stream and a second marked content part in said second media stream, said first and second market content part being associated with a first and second marker respectively; associating first timing information, preferably comprising a first clock time, with said detected first marked content part and associating second timing information, preferably comprising a second clock time, with said detected second marked content part; determining a timing difference on the basis of said first and second timing information; and, generating on the basis of said timing difference synchronization information for enabling a first and/or second synchronization client to adjust the processing of said first and/or second media stream respectively.