152results about "Broadcast information characterisation" patented technology

In aspects of automatic selection of audio broadcast based on direction, a media playback manager detects an available Bluetooth Low Energy (BLE) audio broadcast from a media device. Based on a location of a tag associated with the media device, the media playback manger determines a position of a wireless device relative to the media device. The media playback manager then receives the BLE audio broadcast at the wireless device based on the position of the wireless device relative to the location of the tag that is associated with the media device.

Disclosed are systems, methods, and computer program products for improving establishment and broadcasting of communication among mobile computing devices. An exemplary method includes: determining a first user accesses a mobile application on a first mobile device of the first user; determining a second user accesses the mobile application on a second mobile device of the second user; transmitting first content from the first user to the second user; receiving, from the second user, a first action associated with the first user; transmitting second content from the second user to the first user; receiving, from the first user, a second action associated with the second user; generating a communication channel for interaction between the first user and the second user; determining a third user accesses the mobile application on a third mobile device of the third user; and transmitting third content from the third user to the second user.

Disclosed are systems, methods, and computer program products for improving establishment and broadcasting of communication among mobile computing devices. An exemplary method includes: determining a first user accesses a mobile application on a first mobile device of the first user; determining a second user accesses the mobile application on a second mobile device of the second user; transmitting first content from the first user to the second user; receiving, from the second user, a first action associated with the first user; transmitting second content from the second user to the first user; receiving, from the first user, a second action associated with the second user; generating a communication channel for interaction between the first user and the second user; determining a third user accesses the mobile application on a third mobile device of the third user; and transmitting third content from the third user to the second user.

A method and apparatus for decompressing a Higher Order Ambisonics (HOA) signal representation is disclosed. The apparatus includes an input interface that receives an encoded directional signal and an encoded ambient signal and an audio decoder that perceptually decodes the encoded directional signal and encoded ambient signal to produce a decoded directional signal and a decoded ambient signal, respectively. The apparatus further includes an extractor for obtaining side information related to the directional signal and an inverse transformer for converting the decoded ambient signal from a spatial domain to an HOA domain representation of the ambient signal. The apparatus also includes a synthesizer for recomposing a Higher Order Ambisonics (HOA) signal from the HOA domain representation of the ambient signal and the decoded directional signal. The side information includes a direction of the directional signal selected from a set of uniformly spaced directions.

To provide a transmission method and the like capable of causing a receiving device to play a predetermined data unit at an intended time.SOLUTION: The transmission method is a method of storing a data constituting an encoded stream in a predetermined data unit and sending the same. A piece of presentation time information that represents the presentation time of the predetermined data unit is generated based on time information, and the predetermined data unit, the generated presentation time information, and a piece of identification information indicating whether the presentation time information was generated based on time information before leap second adjustment are transmitted. The identification information is stored in (i) the control message, which is control information, (ii) the presentation time information represents whether the information is generated based on time information from a time a predetermined period before the time immediately before the leap second adjustment is made to the time immediately before the leap second adjustment is made. The presentation time information is time information generated by subtracting a predetermined time from the time information. The control information includes a UTC-NPT reference descriptor that indicates the relationship between UTC time and NPT time.SELECTED DRAWING: Figure 92

The present invention discloses an abnormal self-detection method, system, device and medium for a PIS broadcast system. The method includes controlling the first speaker and microphone to work, and according to the first preset sound acquisition strategy, controlling the microphone to collect the first sound signal, and judging whether the first broadcast device is abnormal according to the first sound signal; when the first broadcast device is abnormal, performing abnormal positioning according to the detected first line current of the first broadcast device; when the first broadcast device is normal, judging whether the second broadcast device is abnormal according to the detected second line current; when an abnormality occurs, controlling the second speaker and microphone to work respectively, and according to the second preset sound acquisition strategy, controlling the microphone to collect the second sound signal, and performing abnormal positioning on the second broadcast device according to the second sound signal. The present invention can respectively realize the abnormal self-detection and abnormal positioning of two kinds of broadcast devices, with high reliability and helpful for subsequent maintenance.

To provide a content protection method when a video content received by advanced BS digital broadcasting / advanced broadband CS digital broadcasting is output via an IP interface.SOLUTION: A video content processing apparatus according to an embodiment includes: in a broadcast signal receiving device that receives at least one of a broadcast signal multiplexed by MPEG-2 and, a broadcast signal multiplexed by a MMT-TLV system, receiving means that receives a content transmitted by the broadcast signal; output means having an IP interface; and control means that performs processing of outputting the content via the output means according to a format of a content protection system by DTCP2. The video content processing apparatus protects the content by determining at least one of values set in SDO and EI using a value of transfer_characteristics or video_transfer_characteristics accompanying the content received by the receiving means.SELECTED DRAWING: Figure 1

To perform appropriate audio reproduction depending on the receiver's capabilities.SOLUTION: A receiver that receives broadcasting that includes MPEG-H audio in an audio component obtains identification information indicating whether the MPEG-H audio is present from broadcast airwaves at a multiplexing layer, and selects the audio component according to the receiver's capabilities on the basis of the identification information, and decodes the audio data of the selected audio component.SELECTED DRAWING: Figure 15

Digital radio signals and apparatuses for providing or receiving such signals are described. A digital radio signal has one or more of a link type indicator, indicating the source of image content. A further digital radio signal has compressed SVG data. A further digital radio signal has an indicator indicating a presentation style for text information. A further digital radio signal has an indication of a target group for an information object. A further digital radio signal has signature data. A further digital radio signal has a predetermined start object identifier.

Methods, apparatuses, and systems for haptic signal processing are provided. In one embodiment, a process includes receiving a media stream including data in one of a haptic exchange format and a haptic streaming format; under the condition that the data adopts the tactile exchange format, obtaining a mode of an input document of the media stream, semanteme of the input document, verifying the mode by contrasting a reference mode and verifying the semanteme by contrasting a rule table; where the data is in a haptic streaming format: decoding a code stream from at least a portion of the media stream, and identifying at least one of a syntax and a condition of the code stream; and controlling decoding of the media stream based on any of the verification features.

A radio data receiving device includes a memory, and a processor operatively connected to the memory, wherein the processor is configured to receive a zeroth stream based on a first frequency band about a radio data system (RDS), receive a first stream based on a second frequency band in which the RDS is extended, receive a second stream based on a third frequency band in which the RDS is extended, receive a third stream based on a fourth frequency band in which the RDS is extended, and provide a service about RDS data based on at least one of the first stream, the second stream, or the third stream.

To provide a technique for more suitably transmitting or receiving advanced digital broadcasting services.SOLUTION: A composite wave is transmitted that is a combination of an upper hierarchical modulated wave and a lower hierarchical modulated wave having different transmission power in the same frequency band. A difference in transmission power between the upper hierarchical modulated wave and the lower hierarchical modulated wave is changed, and information regarding the difference in transmission power is included in either the upper hierarchical modulated wave or the lower hierarchical modulated wave and transmitted. The information regarding the difference in transmission power includes identification information indicating the difference in transmission power in a plurality of stages, and the stages indicated by the identification information are configured to transition irreversibly due to the change in the difference in transmission power in a transmission power change step.SELECTED DRAWING: Figure 2A

Wireless-enabled loudspeaker includes a capacitive touch user interface. The loudspeaker may comprise at least one electroacoustic transducer, a processor in communication with the at least one electroacoustic transducer, and an exterior surface comprising a capacitive touch user interface that allows a user to control operation of the loudspeaker. The exterior surface acts a dielectric for the capacitive touch user interface. The loudspeaker may comprise a wireless transceiver circuit for receiving and transmitting wireless communication signals via a wireless network. The wireless transceiver circuit may receive wirelessly audio content from streaming audio content servers that are connected to the Internet. The capacitive touch user interface comprises a plurality of capacitive sense electrodes.

FIG. 1 illustrates an apparatus for decoding according to an embodiment. The apparatus comprises an interface for receiving a plurality of ATSC Link-layer Protocol packets each of which comprising a packet header and a packet payload encapsulating digital content. Moreover, the apparatus comprises a decoding unit. In a first embodiment, the digital content being encapsulated within the packet payload of each of one or more ATSC Link-layer Protocol packets of the plurality of ATSC Link-layer Protocol packets comprises digital radio content, and / or a Distribution and Communications Protocol packet or a portion thereof, and / or Unified Speech and Audio Coding content or extended High Efficiency Advanced Audio Coding content, and / or Journaline content. The decoding unit is configured to decode the packet payload of each one of at least one ATSC Link-layer Protocol packet of the one or more ATSC Link-layer Protocol packets to obtain the digital content of said one of the at least one ATSC Link-layer Protocol packet.

A media data processing method according to embodiments may comprise the steps of: generating media data; generating a service list for the media data; and transmitting the media data and the service list on the basis of a network. A media data processing method according to embodiments may comprise the steps of: receiving media data and a service list for the media data on the basis of a network; and processing the media data on the basis of the service list.

To provide a digital broadcast receiver capable of executing a function with a higher added value.SOLUTION: A broadcast receiving device 40100 includes a broadcast receiving unit capable of receiving broadcast data of a broadcast program content and location information describing a reference destination for acquiring data related to the broadcast data from a broadcast transmission path, a communication unit capable of receiving communication data of a program content from the reference destination described in the location information via a communication line, a recording and reproducing unit capable of recording and reproducing the broadcast data of the broadcast program content received by the broadcast receiving unit, an output unit that outputs the broadcast data of the broadcast program content reproduced from the recording and reproducing unit to an external device, and a server function unit having a server function for the external device. In the output state from the output unit, the location information in which the description of the reference destination is rewritten to the description indicating the server function unit is output together with the broadcast data reproduced from the recording and reproducing unit.SELECTED DRAWING: Figure 29A

A radio data receiving device includes a memory, and a processor operatively connected to the memory, wherein the processor is configured to receive a zeroth stream based on a first frequency band about a radio data system (RDS), receive a first stream based on a second frequency band in which the RDS is extended, receive a second stream based on a third frequency band in which the RDS is extended, receive a third stream based on a fourth frequency band in which the RDS is extended, and provide a service about RDS data based on at least one of the first stream, the second stream, or the third stream.

Wireless audio distribution technology for improved performance can include receiving, at a configurable software-defined hub, a pairing initiation signal to connect the hub with at least one node of one or more configurable software-defined nodes. The method can include receiving, from the at least one node, a plurality of node identifiers; authorizing the at least one node based on a comparison of the plurality of node identifiers and identifier data stored in the hub memory; securely pairing the configurable software-defined hub with at least one authorized node; configuring a software-defined transceiver chain comprising a configurable hub transmitter and an authorized node receiver with a modified Logical Link Control layer and an unmodified Media Access Control layer of an Open System Interconnect protocol, and communicating data in a predetermined format from the configurable hub transmitter to the authorized node receiver.

Provided is technology for more suitably transmitting or receiving an advanced digital broadcast service. Used as the means for doing so is a broadcast reception device that, together with a broadcast station device, constitutes a broadcast system, wherein: a broadcast wave data block transmitted using a broadcast wave and an online data block transmitted using a communication network, for both of which transmission from the broadcast station device has started at the same timing, and which each correspond to the same partial video content, are received; a long standby time is set which is longer than the longest time that is expected as the delay time from the start of transmission of the broadcast wave data block to the start of reception of the broadcast wave data block and which is longer than the longest time that is expected as the delay time from the start of transmission of the online data block to the start of reception of the online data block; and decoding of both data blocks for which reception has started is started at the timing when the standby time is elapsed from the start of the transmission of the broadcast wave data block and the online data block.

To provide a transmission method and the like capable of guaranteeing a buffer operation of a reception device when transmitting data using an MMT system.SOLUTION: A transmission method for transmitting a plurality of transmission packets in a state where a specification by a reception buffer model is satisfied, the transmission packet including a variable-length packet header and a variable-length payload, the reception buffer model including a buffer configured to receive the transmission packet, convert a first packet configured by the variable-length packet header and the variable-length payload stored in the received transmission packet into a second packet having a fixed-length packet header subjected to header decompression, and output the second packet obtained by the conversion at a predetermined extraction rate, the plurality of transmission packets equal to or less than a predetermined number of packets are transmitted per unit time (S2301), and the predetermined number of packets is set so that the transmission packets of the minimum packet size do not continue.SELECTED DRAWING: Figure 86

Techniques are described for wirelessly receiving, at first and second speaker assemblies, signals representing left and right audio channels from each of first and second sources, and using the signals, simultaneously playing, on both speaker assemblies, music, computer game audio, computer chat audio, and speech picked up by speaker microphones.

To be capable of preferably performing a series of media access controls on a reception side.SOLUTION: A container of a predetermined format including a media stream is transmitted. A predetermined number of sets of media access information associated with a series of media access controls are successively inserted in a layer of the media stream or a layer of the container. For example, the media access information includes identification information for making a distinction between other media access information, and identification information for making an association with the other media access information.SELECTED DRAWING: Figure 16

A broadcast receiving apparatus includes: a tuner configured to receive a transmission wave in which identification information is stored in a carrier, the carrier being modulated differently from a data carrier, a frequency band when the transmission wave is transmitted in an air being able to be identified by the identification information; and a controller. The controller is configured to identify a frequency band when the transmission wave is transmitted in the air by using the identification information contained in transmission wave received by the tuner.

The present technology relates to a transmission device, a transmission method, a reception device, and a reception method with each of which it becomes possible to perform transmission of control information according to an operation form. The reception device receives first data that includes control information, which includes information necessary for channel selection of a service, and transmission sequence information indicating a sequence in which the control information is transmitted and that is transmitted in a transmission sequence corresponding to the transmission sequence information, and controls processing on second data, which includes data of a component included in the service, on the basis of the control information acquired according to the transmission sequence information. The present technology can be applied, for example, to a television receiver.

The present invention provides an emergency broadcast message platform broadcast method, system, device and equipment, belonging to the field of communication technologies. The method includes: when the client device has a queue whitelist, determining a target message queue based on the queue whitelist; establishing a connection with the server of the emergency broadcast message platform corresponding to the target message queue; when the client device does not have a queue whitelist, matching the target information of the client device with multiple message queues within a preset area range to obtain a target message queue, and establishing a connection with the server of the emergency broadcast message platform corresponding to the target message queue; the target information includes at least one of the following: the location, IP address and MAC address of the client device; receiving the broadcast message sent by the server of the emergency broadcast message platform based on the target message queue.

: A media data processing method according to embodiments may comprise the steps of: generating media data; generating a service list for the media data; and transmitting the media data and the service list on the basis of a network. A media data processing method according to embodiments may comprise the steps of: receiving media data and a service list for the media data on the basis of a network; and processing the media data on the basis of the service list.

To provide a method and a device for compressing and decompressing higher-order ambisonics (HOA) representations for sound fields.SOLUTION: A method involves: perceptually decoding compressed dominant directional signals and compressed residual component signals to supply decompressed time-domain signals that represent HOA components of decompressed dominant directional signals and residuals within a spatial domain; re-correlating the decompressed time-domain signal to obtain the corresponding lower-order residual HOA components; determining the decompressed residual HOA components based on the corresponding lower-order residual HOA components; determining predicted directional signals; and determining HOA sound field representation based on the decompressed dominant directional signals, the predicted directional signals, and the decompressed residual HOA components.SELECTED DRAWING: Figure 2a

System comprises a headset and a host server. Headset comprises a wireless communication circuit for receiving content transmitted wirelessly to the headset. Headset comprises a right earphone and a left earphone, each comprising a speaker. Host server is in communication with the headset and is for wirelessly streaming the content to the wireless communication circuit. The host server is configured to prevent wireless streaming of prohibited content for playing by the headset based on a parental control applicable to the headset and a rating for the prohibited content.

Techniques are described that extend and / or improve the Advanced Television Systems Committee (ATSC) 3.0 television protocol in ensuring delivery of next generation broadcast television services. When a mobile receiver (300) automatically switches from presenting a service on a first frequency (306) to a second frequency (308), such as when the mobile receiver (300) is moving through a boundary region (304) between two broadcast stations, the current broadcast station application can be notified (804 / 904 / 1000) and, depending on the context, can continue to run (806) or send data to the new broadcast station application (906 / 1004).

The invention provides a receiving apparatus and a transmission wave processing method. A reception device for receiving a transmission wave according to the present invention comprises: a modulation / demodulation unit for receiving a plurality of different transmission waves transmitted over the air in a plurality of different polarization directions, and generating a stream by performing a demodulation process using a pair of transmission waves among the plurality of different transmission waves; and a control unit that controls the modulation / demodulation unit to modulate the plurality of different transmission waves on the basis of identification information included in the plurality of different transmission waves received by the modulation / demodulation unit. And identifying a transmission wave transmitted in a first polarization direction as a main polarization direction and a transmission wave transmitted in a second polarization direction as a sub-polarization direction different from the first polarization direction as the main polarization direction in the pair of the plurality of different transmission waves. Therefore, the advanced digital broadcast can be better transmitted or received.