Patent ID: 8311396
Filing Date: 2012-11-13
Classification: H04N

Abstract:
1. A DVD (digital versatile disk) video playback system comprising a source device operable to read data from a DVD-Video disk, a user interface configured to accept a user operation, and a plurality of sink devices in communication with the source device, the source device comprising: each sink device of the plurality of sink devices comprising: wherein when the user interface unit accepts a user operation intended to control one of the plurality of sink devices, the user interface unit is configured to send user operation information indicating the accepted user operation to the source device and the one of the plurality of sink devices; wherein the decode controller of each sink device of the plurality of sink devices is configured to store, as a local system parameter, a playback control parameter operable to control decoding of the presentation data performed by the corresponding decoder, and, when the user operation information is received from the user interface unit, the decode controller is configured to change the local system parameter in accordance with the received user operation information; and wherein when the source device receives the user operation information from the user interface unit, the source device is configured to change a system parameter associated with the source device in accordance with the received user operation information.