The present disclosure provides method and apparatus for causing synchronization of at least one connected device by a source device, where the apparatus is adapted to perform the method comprising: receiving, by a receiver, delay information corresponding to at least one device which is connected to the source device and configured to process at least one type of data; calculating, by a processor, at least one delay value of the at least one device based on the delay information; and synchronizing the at least one device with the source device based on the at least one calculated delay value.