Patent application number | Description | Published |
20100005501 | Generating a Stream Comprising Synchronized Content - A method of generating a stream comprising synchronized interactive content is described. The method comprises the steps of: transmitting a first stream from a studio to a terminal or a terminal system of a first user and to a buffer; transmitting in response to the first stream a second stream to a mixer connected to the buffer, the second stream comprising content generated in reaction to the content of the first stream; providing the mixer with a temporal relation between the packets in the first and second stream; generating a first output stream comprising a substantially synchronized content by mixing packets in second stream with packets of the buffered first stream on the basis of the temporal relation. | 01-07-2010 |
20100106489 | Method and System for Speech Quality Prediction of the Impact of Time Localized Distortions of an Audio Transmission System - Method and processing system for establishing the impact of time response distortion of an input signal which is applied to an audio transmission system ( | 04-29-2010 |
20100228815 | System for Managing Service Interactions - A system is described for managing service interactions in a combined service. The system comprises a first service delivery means for providing a first service, a second service delivery means for providing a second service, a combined service delivery means for providing a combined service capable of associating the first service to one of the second service. The combined service is implemented using a combined state model, which comprises a predetermined number of combined states formed on the basis of the states of the first and the second service and armed detection points for detecting predetermined transitions between the combined states. The combined service delivery means further comprises a combined state manager adapted to transmit a control signal to the first and/or the second service delivery means for inducing a predetermined state transition in the respective first and/or the second service in response to the activation of an armed detection point. | 09-09-2010 |
20100303100 | Method and System for Synchronizing a Group of End-Terminals - A method is described for synchronizing the transmission of a stream to a group of end-terminals. The method is used in a system comprising a station transmitting a packetized stream over a network to at least a first and second network node. Each network node comprises a variable delay unit and each network node is connected to one or more end-terminals. In the method the synchronization unit receives arrival time information of a packet in the broadcast stream at the first and second network node. Delay information is calculated for the first and second network node on the basis of the arrival time information of the packet. Further, the delay information is transmitted to the first and second network node so that the variable delay unit in the first and second network node is able to transmit the broadcast stream to the first and second end-terminal in a substantially synchronized way. | 12-02-2010 |
20110010459 | Method and System for Transmitting a Multimedia Stream - A method is described for transmitting a multimedia stream from a first end-terminal to a second end-terminal. The first and second end-terminal are connected to at least one gateway for enabling the multimedia stream to be transmitted from the first end-terminal to the second end-terminal. The method comprising the steps of: the first end-terminal inviting the gateway to set up a first multimedia session between the first end-terminal and the gateway, the first multimedia session being controlled by a first protocol; the gateway notifying—in response to the invitation—the second end-terminal of the pending invitation; the second end-terminal setting up—in response to the notification—a second multimedia session between the second end-terminal and the gateway, the second multimedia session being controlled by a second protocol; the gateway setting up—in response to the invitation—the first multimedia session; and transmitting a multimedia stream from the first end-terminal to the second end-terminal. The first protocol may be SIP, the second protocol may be RTSP. | 01-13-2011 |
20110276705 | Managing Associated Sessions in a Network - A method and a system for managing associated sessions in a network is described, wherein the network comprises a network element configured for managing associated sessions between the network and user equipment. The method comprises the steps of providing a composition session identifier for associating sessions in a network; exchanging the composition session identifier between a user equipment and the network element; and associating two or more sessions with the composition session identifier by exchanging the composition session identifier. | 11-10-2011 |
20120036277 | Modified Stream Synchronization - A method and system for inter-destination synchronization of at least a first and a second stream is described, wherein the second stream is the output stream of a media stream modification unit using the first stream as an input stream. The method comprises the steps of: providing first arrival time information of a packet in the first stream arriving at a first synchronization point and second arrival time information of a packet in the second stream arriving at a second synchronization point; providing synchronization correlation information on the synchronicity relationship between said input stream and said output stream; and, calculating delay information on the basis of the first and second arrival time information and the synchronization correlation information. | 02-09-2012 |
20120144056 | Dynamic RTCP Relay - A method and a system for dynamically relaying RTCP messages associated with one or more RTP streams is described. Each RTP stream is associated with a media session and with a sender node (MF) and one or more receiver nodes (UE). The method comprises the steps of: assigning at least one control node (MSAS) to at least one RTP stream; providing (4) a receiver node associated with said RTP stream with the address of said control node, said address being provided to said receiver node in a session control protocol message or an HTTP message and being different than the address of the associated sender node; and, said receiver node sending (8) receiver RTCP messages to said control node, using said address comprised in said session control protocol message or HTTP message. | 06-07-2012 |
20120324520 | METHOD, SYSTEM AND DEVICE FOR SYNCHRONIZATION OF MEDIA STREAMS - Methods and systems for synchronizing a first and second media stream are describe, wherein said first and second media stream are being transmitted by at least one media source in a network via a first and second media path to one or more terminals. The method comprises: measuring timing information associated with arrival times of media packets in said first and second media stream using a measuring module positioned at a first location in said first and second media paths; in said network generating buffer instructions for at least one buffer on the basis of said timing information, said buffer being positioned at a second location in at least one of said first or second media path; and, delaying one or more media packets transmitted over said media path to said one or more terminals such that arrival times of media packets at said one or more terminals are substantially synchronized. | 12-20-2012 |
20130014196 | Generating a Stream Comprising Synchronized Content - A method of generating a stream comprising synchronized interactive content is described. The method comprises the steps of: transmitting a first stream from a studio to a terminal or a terminal system of a first user and to a buffer; transmitting in response to the first stream a second stream to a mixer connected to the buffer, the second stream comprising content generated in reaction to the content of the first stream; providing the mixer with a temporal relation between the packets in the first and second stream; generating a first output stream comprising a substantially synchronized content by mixing packets in second stream with packets of the buffered first stream on the basis of the temporal relation. | 01-10-2013 |
20130014197 | Generating a Stream Comprising Synchronized Content - A method of generating a stream comprising synchronized interactive content is described. The method comprises the steps of: transmitting a first stream from a studio to a terminal or a terminal system of a first user and to a buffer; transmitting in response to the first stream a second stream to a mixer connected to the buffer, the second stream comprising content generated in reaction to the content of the first stream; providing the mixer with a temporal relation between the packets in the first and second stream; generating a first output stream comprising a substantially synchronized content by mixing packets in second stream with packets of the buffered first stream on the basis of the temporal relation. | 01-10-2013 |
20130014200 | Generating a Stream Comprising Synchronized Content - A method of generating a stream comprising synchronized interactive content is described. The method comprises the steps of: transmitting a first stream from a studio to a terminal or a terminal system of a first user and to a buffer; transmitting in response to the first stream a second stream to a mixer connected to the buffer, the second stream comprising content generated in reaction to the content of the first stream; providing the mixer with a temporal relation between the packets in the first and second stream; generating a first output stream comprising a substantially synchronized content by mixing packets in second stream with packets of the buffered first stream on the basis of the temporal relation. | 01-10-2013 |
20140040350 | Method And System For Transmitting A Multimedia Stream - A method is described for transmitting a multimedia stream from a first terminal and receiving an associated second multimedia stream at a second terminal. The first and second terminal are connected to at least one gateway for enabling the transmission of the stream and the receiving of the associated stream. The method comprises: initiating the exchange of first multimedia session information between the first terminal and the gateway, using a first protocol; providing a trigger to the second terminal to initiate the exchange of second multimedia session information between the second terminal and the gateway, using a second protocol; in response to providing the trigger, the second terminal initiating the exchange of second multimedia session information between the second terminal and the gateway, using a third protocol; transmitting a first multimedia stream from the first terminal and receiving a second associated multimedia stream at the second terminal. | 02-06-2014 |
20140089465 | Locating and Retrieving Segmented Content - Methods and systems are described for retrieving segmented content originating from two or more content delivery networks. The method may comprise the steps of: retrieving a manifest file template associated with said segmented content comprising one or more pointers to database entries of said first content location database; using said one or more database entries for determining a location of a delivery node in said first or second content delivery network, said delivery node being configured for delivering a segment associated with said database entry; and, generating a manifest file for locating said segmented content by replacing pointers with said determined locations. | 03-27-2014 |
20140089990 | Spatially-Segmented Content Delivery - Methods and systems are described for processing spatially segmented content originating from a content delivery network. One method comprises a client in a media processing device receiving a spatial manifest information comprising one or more spatial representations of a source stream, each spatial representation identifying one or more spatial segment streams, location information for locating one or more delivery nodes in said content delivery network and, optionally, position information for stitching spatial segment frames in said segment streams into a video frame for display; selecting one or more spatial segment streams and on the basis of said spatial manifest information requesting at least one delivery node in said content delivery network to transmit said one or more selected spatial segment streams to said client; and, receiving said one or more selected spatial segment streams from said at least one delivery node. | 03-27-2014 |
20140233740 | Secure Distribution of Content - Methods and systems are described for secure delivery of a content item from at least a first content distribution network (CDN1) to at least one content receiving entity using a split-key cryptosystem comprising encryption and decryption algorithms E and D, a cipher algorithm for generating encryption and decryption keys e,d on the basis of secret information S and a split-key algorithm using secret information S for splitting e into i different split-encryption keys e | 08-21-2014 |
20140280854 | System for Managing Service Interactions - A system is described for managing service interactions in a combined service. The system comprises a first service delivery means for providing a first service, a second service delivery means for providing a second service, a combined service delivery means for providing a combined service capable of associating the first service to one of the second service. The combined service is implemented using a combined state model, which comprises a predetermined number of combined states formed on the basis of the states of the first and the second service and armed detection points for detecting predetermined transitions between the combined states. The combined service delivery means further comprises a combined state manager adapted to transmit a control signal to the first and/or the second service delivery means for inducing a predetermined state transition in the respective first and/or the second service in response to the activation of an armed detection point. | 09-18-2014 |
20140359081 | CONTROLLED STREAMING OF SEGMENTED CONTENT - Methods and systems for enabling client-controlled streaming of segmented content are described. In one example, the client-controlled streaming is on the basis of a manifest file, the manifest file including one or more segment identifiers and one or more associated segment locators, In one example, a method involves: requesting the delivery of at least one segment on the basis of a first segment identifier selected from the manifest file; on the basis of the first requested segment, selecting a second at least one segment identifier from the manifest file, the second segment identifier being associated with an expected future segment request; and pre-resolving a first segment locator associated with the selected second segment identifier for obtaining network information associated with the first segment locator. | 12-04-2014 |
20140379871 | Network-Initiated Content Streaming Control - Methods and systems are described for enabling network-initiated control of streaming of segmented content from a content delivery node to at least one client, said client being configured to access at least part of said segmented content on the basis of a manifest file, wherein a method may comprise: receiving a first manifest file identifying one or more segments and location information for locating one or more content delivery nodes configured to transmit said one or more segments to said at least one client; in response to said reception of said first manifest file, providing channel set-up information; and, establishing at least one streaming control channel between said at least one client and a control channel server function associated with said content delivery node on the basis of said control channel set-up information, said at least one client being configured for receiving at least one manifest file update message via said streaming control channel. | 12-25-2014 |