Abstract: An apparatus for modifying a command message (CMD) received from a source apparatus to control a target device parameter of a target apparatus within a digital multimedia network, wherein a hierarchical parameter address (HPA) or a parameter value contained in said command message (CMD) is changed according to at least one change script to provide a modified command message (CMD?).

Abstract: A digital multimedia network with a parameter join mechanism comprising at least one apparatus. A requesting device parameter of a source apparatus updates a local parameter group list by adding an entry for each device parameter of a target apparatus which joins the parameter group.

Abstract: The present invention concerns a router for providing isochronous data transfer and asynchronous data transfer on the basis of a predetermined protocol between devices of different network sections connected to the router, when a connection management application executed by the router translates a user request to transfer data from a transmitting device of a first network section to a receiving device of a second network section into commands of the protocol for establishing a first data connection between the transmitting device and the router and a second data connection between the router and the receiving device when the data is transferred from the transmitting device via the established data connections to the receiving device.

Abstract: The present invention relates to a digital multimedia network 1 with latency control comprising apparatuses for processing of data streams, wherein a borderline input apparatus providing a data stream generates a latency time stamp (LTS) which contains an absolute time indicating a creation time of said data stream and an accumulated delay time which is updated by each apparatus processing said data stream, wherein said latency time stamp (LTS) of said data stream is evaluated by a borderline output apparatus of said network which synchronizes said data stream.

Abstract: The present invention relates to a digital multimedia network with a parameter join mechanism comprising at least one apparatus, wherein a requesting device parameter of a source apparatus updates a local parameter group list (PGL) by adding an entry for each device parameter of a target apparatus which joins said parameter group (PG).

Abstract: An apparatus for modifying a command message (CMD) received from a source apparatus to control a target device parameter of a target apparatus within a digital multimedia network, wherein a hierarchical parameter address (HPA) or a parameter value contained in said command message (CMD) is changed according to at least one change script to provide a modified command message (CMD').

Abstract: The present invention relates to a digital multimedia network of apparatuses each comprising a control device, wherein a device parameter of an apparatus is controlled by sending a command message (CMD) to said control device of said apparatus containing a tree-structured hierarchical parameter address (HPA) which consists of parameter grouping identifiers each corresponding to a hierarchy level of a predetermined tree-structured parameter hierarchy used for addressing device parameters throughout said digital multimedia network.

Abstract: The present invention relates to a digital multimedia network 1 with latency control comprising apparatuses for processing of data streams, wherein a borderline input apparatus providing a data stream generates a latency time stamp (LTS) which contains an absolute time indicating a creation time of said data stream and an accumulated delay time which is updated by each apparatus processing said data stream, wherein said latency time stamp (LTS) of said data stream is evaluated by a borderline output apparatus of said network which synchronizes said data stream.

Abstract: The invention provides a router for providing isochronous data transfer and asynchronous data transfer on the basis of a predetermined protocol between devices of different network sections connected to said router, wherein a connection management application executed by said router translates a user request to transfer data from a transmitting device of a first network section to a receiving device of a second network section into commands of said protocol for establishing a first data connection between said transmitting device and said router and a second data connection between said router and said receiving device, wherein said data is transferred from said transmitting device via the established data connections to said receiving device.

Abstract: The invention provides a desktop control and a browser for a host apparatus of a digital multimedia network. The desktop control comprises a processing core having at least one desk parameter link (DPL) to a device parameter of the host apparatus. Furthermore, the processing core can have at least one desk application link (DAL) to a browser application of the host apparatus. The processing core further has one or more desk item links to other desktop controls of another apparatus within the digital multimedia network.