56results about "Broadcast information characterisation" patented technology

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.

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.

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.

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.

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

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.

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.

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.

Hybrid broadcasting and communication services are made excellently implementable. A transport stream obtained by time-division multiplexing a first transmission packet including a predetermined component and a second transmission packet including information on the predetermined component is generated. The transport stream is transmitted along a predetermined transmission path. Information on a plurality of distribution protocols, the information on each distribution protocol including at least location information and protocol identification information, for acquiring a specific component to be acquired on a communication path, or acquisition information for acquiring the information on the plurality of distribution protocols is inserted into the second transmission packet, in relation to the specific component. A receiving side can excellently receive the specific component through a distribution protocol in accordance with its own distribution network environment.

To efficiently transmit a partially scrambled content in a digital broadcasting system using MMT.SOLUTION: A broadcast transmitter 100 for a digital broadcasting system using MMT as a multiplexing method includes scrambling means 140 for performing scrambling on a scramble portion as a scrambling target when the scramble portion is contained in a sub sample extracted from a video or audio broadcast content stream, and multiplexing means 150 for arranging scrambling range information including length information of each of division ranges stored in a payload of an MMTP packet out of a scramble portion and a non-scramble portion in a header portion of the MMTP packet when a sub sample containing a scrambled scramble portion and a non-scrambled non-scramble portion is stored in the payload of the MMTP packet.SELECTED DRAWING: Figure 2

To more surely recognize simultaneous broadcasting.SOLUTION: There is provided a transmission device including a transmission unit configured to transmit a broadcast stream including signaling information regarding a broadcast component configuring content, in which the signaling information includes a descriptor in which a service identifier or location information for identifying a service corresponding to simultaneous broadcast content among one or more services included in a transmission stream for transmitting the simultaneous broadcast content corresponding to the content is arranged, and the descriptor is included in broadcaster information regarding information of a broadcaster. The present disclosure can be applied to, for example, a transmission system corresponding to a broadcasting scheme of terrestrial digital television broadcasting.SELECTED DRAWING: Figure 4

Systems and methods for broadcasting wireless data via one or more retransmission schemes to increase the packet reception in a wireless system. One or more devices of the system are configured to listen for an initial data packet from a source device. Should one or more devices successfully receive the initial packet, each device that received the packet can unconditionally retransmit a copy of the payload of the initial packet such that any device that failed to receive the initial packet payload has an opportunity to receive it during the respective retransmissions. Similarly, each device of the system can send acknowledgements to the other system devices that indicate whether they received the initial packet. Should one or more of the devices successfully receive the initial packet, the devices can conditionally retransmit a copy of the missing payload when one or more devices indicates they have failed to receive it.

To easily ensure an opportunity to view content of programs of interest.SOLUTION: A separation unit separates an event information table having program information for each program from a broadcast signal. A program information processing unit selects some of programs from the event information table as candidate programs. A distribution information management unit acquires distribution information indicating whether the candidate programs are distributed from a program information management device through communication, and maintains a program information list with the distribution information for each of the candidate programs. A content processing unit selects any of candidate programs having distribution indicated in the program information list as a selected program, and receives content of the selected program from a content distribution device through communication.SELECTED DRAWING: Figure 1

Computer-implemented method and system for processing and broadcasting one or more moment-associating elements. For example, the computer-implemented method includes granting subscription permission to one or more subscribers; receiving the one or more moment-associating elements; transforming the one or more moment-associating elements into one or more pieces of moment-associating information; and transmitting at least one piece of the one or more pieces of moment-associating information to the one or more subscribers. In certain examples, transforming the one or more moment-associating elements includes: segmenting the one or more moment-associating elements into a plurality of moment-associating segments; assigning a segment speaker for each segment of the plurality of moment-associating segments; transcribing the plurality of moment-associating segments into a plurality of transcribed segments; and generating the one or more pieces of moment-associating information based the plurality of transcribed segments and the segment speaker assigned for each segment of the plurality of moment-associating segments.

To solve problems in which representations of spatial audio scenes using higher-order Ambisonics (HOA) technology typically require a large number of coefficients per time instant and this data rate is too high for most practical applications that require real-time transmission of audio signals.SOLUTION: The compression is carried out in the spatial domain instead of the HOA domain. The (N+1)2 input HOA coefficients are transformed into (N+1)2 equivalent signals in the spatial domain, and the resulting (N+1)2 time-domain signals are input to a bank of parallel perceptual codecs. At the decoder side, the individual spatial-domain signals are decoded, and the spatial-domain coefficients are transformed back into the HOA domain in order to recover the original HOA representation.SELECTED DRAWING: Figure 8

This invention provides technology for more effectively transmitting or receiving advanced digital broadcasting services. [Solution] A method for processing a transmission signal sent from a broadcasting station to a broadcasting receiving device, wherein the transmission signal is a signal to which the CMAF standard is applied, and the broadcasting receiving device acquires SI information from the received transmission signal before CMAF information and encoding information, and sets the resolution in the decoder and browser based on the resolution information contained in the acquired SI information prior to acquiring CMAF information and encoding information.

To perform appropriate sound reproduction according to the capability of a receiver.SOLUTION: Receiving a broadcast including an MPEG-H audio in an audio component, obtaining information indicating that the MPEG-H audio is present from the broadcast, selecting an audio component based on the information, decoding audio data of the selected audio component, wherein the broadcast includes a descriptor describing information related to an object-based audio, and obtaining the descriptor describing the information related to the object-based audio.SELECTED DRAWING: Figure 15

An audio broadcasting apparatus is arranged to implement multichannel audio playback on the basis of first audio signals in an audio system and to: acquire a position of the audio playback apparatus, said position being obtained by a locating method using radiofrequency waves; acquire at least one audio parameter representative of an acoustic response of the audio playback apparatus; adapt at least one of the first audio signals depending on the position of the audio playback apparatus and the at least one audio parameter, to obtain second audio signals; implement the multichannel audio playback using the second audio signals.

Systems and methods for generating transcriptions of audio data for presentation at a client device are provided. One or more audio streams, provided by one or more audio sources of one or more client devices of a plurality of users, are received by a broadcasting system. Sensory modality information comprising one or more of auditory, visual, or haptic characteristics of a first user is determined. First audio data from the one or more audio streams corresponding to the first user and additional audio data from the one or more audio streams corresponding to other users are determined using one or more machine learning models. At least one of a first transcription of the first audio data or one or more additional transcription of one or more of the additional audio data are provided for presentation at a first client device according to the auditory, visual, or haptic characteristics.

To satisfactorily realize a hybrid service of broadcasting and communication.SOLUTION: A transmission stream is generated by multiplexing a first transmission packet including a predetermined component and a second transmission packet including information about the predetermined component in a time-division manner. The transmission stream is transmitted through a predetermined transmission path. Acquisition information of a component of the communication path including at least location information and protocol identification information is inserted into the second transmission packet. The reception side can satisfactorily receive the transmission stream having the transmission packet including the component of the communication path on the basis of the acquired information. For example, the acquisition information further includes packet identification information. In this case, even if a plurality of transmission packets are multiplexed in the transmission stream, a desired transmission packet can be selectively acquired based on the packet identification information.SELECTED DRAWING: Figure 6

To enable quick access to content by communication when reproducing the content using both broadcasting and communication on a reception side.SOLUTION: Receiving first control data and first media data, wherein the first control data comprises first time information indicating a presentation start time of the first media data specified in a first timeline, and further receiving second control data and second media data, wherein the second control data comprises second time information indicating a presentation start time of the second media data specified in a second timeline, wherein the presence of the offset value in the first control data indicates that the presentation of the second media data is synchronized with the first media data according to the offset value; The offset value indicates a difference between the first timeline and the second timeline, and the absence of the offset value in the first control data indicates that the first timeline and the second timeline are the same.SELECTED DRAWING: Figure 19

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

To enable quick access to content by communication when reproducing content using both broadcasting and communication on a receiving side. [Solution] The receiving method includes a receiving step of receiving content transmitted using both broadcast waves and a communication channel, and a playback step of playing the content when control information is received, the control information including information indicating that there is content transmitted via the communication channel and information for playing the content via the broadcast waves and the content via the communication channel, which information relates to the content transmitted via the communication channel. In the receiving step, the base layer of the content is received via the broadcast waves, and the extension layer is received via the communication channel. In the receiving step, information indicating which base layer asset corresponds to which extension layer asset is received via the communication channel. In the receiving step, information indicating the type of control information for the content transmitted via the communication channel is received via the broadcast waves.

A method for equalizing an audio frequency signal broadcast in a broadcasting environment. Such a method includes: estimating a frequency profile of a noise signal representing a background noise present in the broadcasting environment, based on, on the one hand, a signal captured by at least one microphone implemented in the broadcasting environment and, on the other hand, the audio frequency signal; determining a desired frequency profile for the broadcast audio frequency signal; determining an acoustic frequency mask representing, for each frequency component, a difference between the frequency profile of the noise signal and the desired frequency profile; and equalizing the audio frequency signal via a weighting of a spectrum of the audio frequency signal by applying a frequency weighting mask that is a function of the acoustic frequency mask, delivering the equalized audio frequency signal.

: 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.