Abstract: A method may include determining a first number of events occurring during a first threshold detection duration. The method may further include causing processing of events to cease for a particular throttling duration in response to determining that the first number of events occurring during the threshold detection duration is greater than a predetermined threshold. The method may also include determining a second number of events occurring during a second threshold detection duration. Additionally, the method may include, in response to determining that the first number of events occurring during the first threshold detection duration is greater than the predetermined threshold and that the second number of events occurring during the second threshold detection duration is greater than the predetermined threshold: increasing the time of the particular throttling duration; and causing processing of events to cease for the increased particular throttling duration.

Abstract: A video signal and an audio signal are TMDS transmitted from a source device to a sink device. Through a reserved line and a HPD line provided separately from a TMDS transmission line, an Ethernet™ signal is bidirectionally transmitted, and also, a SPDIF signal is transmitted from the sink device to the source device. The Ethernet™ signal bidirectionally transmitted between Ethernet™ transmitter/receiver circuits is differentially transmitted by an amplifier and is received by the amplifier. The SPDIF signal from a SPDIF transmitter circuit is common-mode transmitted from an adder and is received by the adder to be supplied to the SPDIF receiver circuit.

Abstract: A MIMO system supports multiple spatial multiplexing modes for improved performance and greater flexibility. These modes may include (1) a single-user steered mode that transmits multiple data streams on orthogonal spatial channels to a single receiver, (2) a single-user non-steered mode that transmits multiple data streams from multiple antennas to a single receiver without spatial processing at a transmitter, (3) a multi-user steered mode that transmits multiple data streams simultaneously to multiple receivers with spatial processing at a transmitter, and (4) a multi-user non-steered mode that transmits multiple data streams from multiple antennas (co-located or non co-located) without spatial processing at the transmitter(s) to receiver(s) having multiple antennas. For each set of user terminal(s) selected for data transmission on the downlink and/or uplink, a spatial multiplexing mode is selected for the user terminal set from among the multiple spatial multiplexing modes supported by the system.

Abstract: The present invention relates to uplink transmissions and scheduling of resources for uplink transmissions in connection with packet switched communication. A radio communication network schedules time slots for transmission of bursts of a first radio block on at least two different uplink packet data channels and transmits an Uplink State Flag, associated with a mobile station for which the first radio block was scheduled, on a first downlink packet data channel representing a first subperiod within a basic uplink period. The mobile station receives the Uplink State Flag, identifies the scheduled resources for transmission of the first radio block wherein the timing of the first subperiod is derived utilizing the fact that the Uplink State Flag was received on the first downlink packet data channel and transmits the first radio block utilizing the identified resources.

Abstract: A transmitting device includes a parallel data generation unit and a transmitting unit. The parallel data generation unit generates first serial data and second serial data from a data packet, converts the first serial data and second serial data respectively into first parallel data and second parallel data, transmits the first parallel data and second parallel data respectively through first and second parallel transmission paths, and performs the transmission of the first parallel data and the transmission of the second parallel data in parallel. The transmitting unit receives the first parallel data and second parallel data respectively through the first and second parallel transmission paths, re-converts the first parallel data and second parallel data respectively into the first serial data and second serial data, and transmits the first serial data and second serial data to a receiving device respectively through first and second serial transmission paths.

Abstract: A method and apparatus are provided for multiplexing one or more Low-Order (LO) ODUj/ODUflex clients into a High-Order (HO) ODUk in an Optical Transport Network (OTN). LO bytes are multiplexed in accordance with a tributary slot assignment for a selected LO ODUj of the HO ODUk stream using a permutation matrix. In an implementation, each byte on each ingress port of a W-port space-time-space switch is configurably assigned to an associated timeslot of an associated egress port, using time-division multiplexing. The number of TribSlots assigned to an ODUflex may be increased and decreased hitlessly. A Clos-like Space-Time-Space switch is used to interleave bytes from Low-Order ODUk words into High-Order ODUk words.

Abstract: Embodiments of the present invention disclose a method for the generic mapping procedure GMP mapping, a method for GMP demapping, and an apparatus. The method for mapping includes: carrying, in an overhead GMP OH of the ith GMP block container, information about a TS that needs to be occupied by the (i+n)th GMP block container; adjusting the (i+n)th GMP block container according to the information about the TS that needs to be occupied by the (i+n)th GMP block container; performing, according to the adjusted (i+n)th GMP block container, the GMP mapping on customer service data to be sent, so that a receive end is capable of adopting a corresponding demapping manner according to a change of the block container, which implements lossless mapping and demapping processing by adopting a GMP for a variable block container.

Abstract: The disclosure relates to a method and apparatus for implementing self-adaption of cross granularity in an Optical Transport Network (OTN). The method includes: acquiring an optical interface side OTN service signal which has been processed by a frame-forming chip, and performing determination on the frame header of an Optical channel Data Unit (ODU) frame of the current level in the OTN service signal; when frame-alignment is determined to be successful, performing level-by-level de-multiplexing processing on the ODU frame of the current level to obtain cross granularities of different levels, selecting output channels for the cross granularities of different levels, performing mapping processing on the output cross granularities of different levels to form fixed rate service signals, and outputting the fixed rate service signals to back board ports, where the signals are transmitted to a cross board.

Abstract: A system that incorporates teachings of the present disclosure may include, for example, a server comprising a memory to store executable instructions and a controller coupled to the memory. The controller, reponsive to executing the instructions, performs operations comprising presenting a graphical user interface enabling selectable advertisements or a selectable channel distribution service for delivery to a set top box, presenting filters for targeted delivery of advertisements to subscriber equipment based on information descriptive of the subscriber, selecting advertisements from an advertising server based on detected selections of advertisements or a detected channel distribution service preference, transmitting a globally unique identifier of the set top box to a billing server, initiating storage of the selectable advertisements at a remote advertisement delivery server, and presenting the selectable advertisements to the set top box. Other embodiments are disclosed.

Abstract: A signal transmission system including a transmitting device and a receiving device, including: the transmitting device including: a first modulator that modulates a frequency of a control signal; and a first multiplexer that multiplexes the frequency-modulated control signal onto a DVI (Digital Visual Interface) signal to be transmitted to the receiving device via a single network cable; and the receiving device including: a first separator that separates the frequency-modulated control signal from the multiplexed DVI signal; and a first demodulator that demodulates the separated control signal.

Abstract: A device that includes a plurality of transceivers configurable to simultaneously operate with a combination of bonded and unbonded transceivers. A first transceiver of the plurality of transceivers is operable at a first data rate, and a second transceiver of the plurality of transceivers is simultaneously operable at a second data rate that is different than the first data rate. The first and second transceivers are operable as bonded transceivers and wherein a third transceiver, of the plurality of transceivers, is simultaneously operable at a third data rate and the third transceiver is not bonded with any other transceiver.

Abstract: A metro area network is provided that includes edge and core multiplexors each having a plurality of line ports and one or more uplink ports, a transport network carrying multiplexed traffic between the edge and core multiplexors. In a hard cross connect implementation utilizing source port tagging, a cross-connect device coupled to the core multiplexors provisions or maps communications path between the core multiplexors thereby providing preselected connectivity/mapping of two or more line ports of any of the edge multiplexors. In a soft cross connect implementation utilizing destination port tagging, a cross-connect device includes additional cross-connect multiplexors and functionality to control the destination port tagging performed in the edge, core and cross connect multiplexors thereby provisioning or mapping the desired communications path(s) between various endpoints.

Abstract: A system and method for frequency division multiplexed high speed physical layer devices. A next generation Ethernet device can be generated through reuse of existing architectures. Multiple instantiations of an existing architecture can be supported on a given wire pair by frequency division multiplexing on a number of carriers. The multiple instantiations can enable multiple modes that can support different configurations, variable rates, and energy efficient Ethernet.

Abstract: An optical transmission system comprises at least one first connection point and one second connection point arranged to transmit and receive at least one channel signal transmitted via at least one optical means connecting the first connection point and the second connection, wherein each of the at least one channel signal is reversibly configurable to be transmitted in either a first direction or a second direction between the first connection point and the second connection point. A method of transmitting at least one channel signal between a first connection point and a second connection point via at least one optical media in an optical transmission system, wherein each of the at least one channel signals is reversibly configurable to be transmitted in either a first direction or a second direction between the first and the second connection points.

Abstract: Systems and methods can operate to transmit embedded control data (ECD) information within the payload of packet data. Payload packet data can contain a plurality of data elements of equal value. A transmitter can replace the repeating data elements with ECD information. A receiver can extract the ECD information and replace with the repeating data value to reconstruct the original. ECD information can be communicated between communication systems and between interfaces within a communication system.

Abstract: An optical fiber transmission system adapted to provide a remote passive identification of components deployed in said transmission system, wherein each component comprises an associated passive optical identification unit adapted to provide identification of a component type of the respective component on the basis of a received optical identification signature carried in an optical identification signal to said component.

Abstract: The invention provides a method and apparatus that addresses and resolves the issues currently affecting the ability to offer Enhanced TV, in particular, those issues concerning timing and synchronization, interaction with other modules in the STB, and distribution.

Abstract: Systems, devices and methods are provided to support multiple audio tracks in an adaptive media stream. Segments of the adaptive stream are encoded so that the player is able to locate and request a specific one of the available audio tracks using byte range requests or the like. Audio content can be removed from video segments, or at least moved to the end of the segments so that a byte range request obtains just the video content when the default audio is not desired. The audio content can be obtained from a separate audio segment. Indeed, multiple audio tracks can be packaged into a common audio segment so that byte range requests can obtain just the particular audio track desired.

Abstract: An integrated circuit, including: at least three integrated circuit portions mutually spaced on a single electrically insulating die, the integrated circuit portions being mutually galvanically isolated; and signal coupling structures on the die to allow communication of signals between the integrated circuit portions while maintaining the galvanic isolation therebetween.

Abstract: Methods, apparatus and articles of manufacture for pooling available network bandwidth from multiple devices are disclosed. An example method disclosed herein comprises registering, at a router, availability of a first device, the first device to provide access to first wide area network bandwidth provided by a first wide area network, after registering the availability of the first device, including the first wide area network bandwidth in a network bandwidth pool accessible via the router when a pooling configuration parameter associated with the first device is determined to be valid, the network bandwidth pool including second wide area network bandwidth accessible via a second device registered with the router, the second device being different from the first device, and allocating at least a portion of the network bandwidth pool to route Internet protocol traffic associated with a third device.

Abstract: A transmission system for transmitting data over a channel in the form of a digital signal comprising bits of data, the system comprising an encoder for encoding the data prior to transmission, the encoder producing coding in the form of an overhead, and a decoder for decoding the data after transmission, characterised in that a first portion only of the data is encoded, the second portion remaining uncoded, the system further comprising a partitioner for partitioning the overhead from the uncoded data portion of the signal, after the first portion data has been encoded.

Abstract: Systems and methods for data transport, including receiving one or more signals into a reconfigurable and flexible rate shared rate multi-transponder network architecture, wherein the network architecture includes one or more transponders with multiple line side interfaces and one or more client side interfaces. The transponders are configured to map one or more signals to multiple parallel Virtual Ethernet Links, remove idle characters from the one or more signals, buffer one or more blocks of characters using an intermediate block buffer, activate and deactivate one or more portions of input/output electrical lanes of an Ethernet module, multiplex and demultiplex the one or more signals to and from the input/output electrical lanes to enable sharing of a single optical transceiver by multiple independent signals, and insert blocks of idle characters to enable transmission over a lower rate transmission pipe.

Abstract: Systems and methods for transmitting interconnect signals include a source device having a first source device input connector of a first interconnect technology, a second source device input connector of a second interconnect technology, and a source device output connector. A cable includes a first connector that is coupled to the source device output connector, a second connector, and a transmission line extending between the first connector and the second connector. A receive device is coupled to the second connector. The transmission line is configured to pass a first signal of the first interconnect technology and a second signal of the second interconnect technology, received through the source device output connector by the first connector, to the second connector. The first and second signal may be multiplexed into a single stream before being passed over the transmission line, and then demultiplexed for use by the receive device.

Abstract: Multi-function receivers are disclosed in which high dynamic range active microwave filters using nanoscale devices are disposed within a switched channelizer stage. In an embodiment the receiver includes an input low noise amplifier, a switched channelizer comprised of active filters utilizing nanoscale devices, an output amplifier, a mixer, and an analog to digital converter. Additionally, the use of highly selective active filters in the channelizer allows for the optional elimination of the mixing stage, improving cost and overall volume.

Abstract: An apparatus and method for generating a multiplex of media streams, the method includes the steps of: (i) receiving a set of media streams that comprises first type media stream components and second type media stream components; (ii) applying a modification process that is not adapted to modify second type media stream components, such as to provide at least one modified first type media stream component; and (iii) multiplexing at least the second type media stream components and the modified first type media stream components.

Abstract: A media independent interface in an integrated circuit device includes a first plurality of channels, each including a data transmit path and a data receive path, and a second plurality of channels, each including a transmit path to transmit an idle symbol and a receive path to receive the idle symbol. The interface also includes a codec, coupled to the transmit paths of the first and second pluralities of channels, to encode data and symbols on the transmit paths, and a multiplexer, coupled to the codec, to multiplex the data on the transmit paths of the first and second pluralities of channels as encoded by the codec. The interface further includes a Ser Des to serialize the multiplexed data.

Abstract: A deserializer circuit includes demultiplexer circuitry configured to receive serial data from an input and output a plurality of divided data outputs, and multiplexer circuitry configured to receive a first logic level at a first input of said multiplexer circuitry, and receive a second logic level at a second input of said multiplexer circuitry and receive one of said divided data outputs at a control input of said multiplexer circuitry. The outputs of the multiplexer circuitry produce the received serial data in a parallel form.

Abstract: A data processing apparatus, a data processing method, and a program that are configured to prevent (or lower) the increase in scale and cost of the apparatus. A read/write control portion executes read/write control in which slots subject to extraction of two or more slots in one frame that is a collection of two or more slots each of which is a unit of error correction coding are written to a ring buffer and the slots subject to extraction in one frame written to the ring buffer are read within the unit time. When slots subject to extraction are changed, an output portion executes output processing in which dummy data outputted from a dummy data output portion are outputted with a timing immediately before a change start frame that is a frame from which the change of slots subject to extraction is started and, slots subject to extraction read from the ring buffer are outputted for frames subsequent to the change start frame.

Abstract: A circuit including delay stages, gain stages, and a summer. The delay stages are configured to provide delayed versions of a first signal. The gain stages are configured to receive the delayed versions of the first signal. Each of the gain stages provides an amount of gain for a corresponding one of the delayed versions of the first signal. The delay stages and the gain stages are configured to provide pre-emphasis to the first signal. The summer is configured to output a second signal based on the delayed versions of the first signal. The second signal includes the pre-emphasis.

Abstract: A digital broadcasting system and a method of processing data are disclosed. Herein, additional encoding is performed on mobile service data, which are then transmitted, thereby providing robustness in the processed mobile service data, so that the mobile service data can respond more strongly against fast and frequent channel changes. In a transmitting system including a service multiplexer and a transmitter located in a remote site, a method of processing data of the transmitting system includes comparing an output data rate of the service multiplexer and a transmission data rate of the transmitter, when a difference occurs between the two data rates, adjusting a burst size, wherein the burst transmits mobile service data, and encoding the mobile service data, and referring to the burst size so as to multiplex main service data and the encoded mobile service data in a burst structure.

Abstract: A distributed base station signal transmission system is provided. The system includes a first multiplexing and demultiplexing unit, which is configured to multiplex a downlink signal emitted by the base band unit and output the downlink signal to the remote radio unit, a second multiplexing and demultiplexing unit, which is configured to multiplex an uplink signal emitted by the remote radio unit and output the uplink signal to the base band unit; a first colorless optical module receives and parse the uplink signal and generate the downlink signal; and a second colorless optical module is configured to receive and parse the downlink signal and generate the uplink signal. The present invention requires only one or a pair of fibers to implement interconnection between BBUs and RRUs, and does not need to use a large number of fibers and a metro wavelength division multiplexing network.

Abstract: A system and method for scalable processing of a received radio frequency beamform signal is provided. Such a system and methods is useful in conjunction with long range communication between an airborne platform and a surface base station. The scalable system includes a plurality of antenna elements for receiving a directional beam, including a multiplexed data stream, from a base station. A down converter and analog to digital (A-D) converter may then down convert and digitize the multiplexed data stream. A digital splitter may de-multiplex the multiplexed data stream into multiple data streams which are orthogonal to one another. The de-multiplexing may be performed using a fast Fourier transformation on the multiplexed data stream. In these embodiments, the digital splitter divides the multiplexed data stream into frequency groups to de-multiplexing the multiplexed data stream into multiple data streams.

Abstract: A method for transmitting digital data by a primary optical signal between a transmitter terminal and a receiver terminal, involves the following steps: determining a magnitude characterizing optical-wave degradation between the transmitter terminal and the receiver terminal, determining a number of transmission channels by a decreasing function of the magnitude characterizing optical-wave degradation, distributing the digital data over the transmission channels, modulating optical signals of different wavelengths using digital data distributed over the transmission channels, generating the primary optical signal by wavelength multiplexing of the optical signals, and sending a transmission configuration, including at least the number of transmission channels, from the transmitter terminal to the receiver terminal.

Abstract: An optical receiver includes: an optical receiving device configured to generate an analog received signal that represents a received modulated optical signal; an A/D converter configured to generate a digital received signal from the analog received signal; an E/O circuit configured to generate an optical digital signal from the digital received signal; an O/E circuit configured to generate an electric digital signal from the optical digital signal; and a digital signal processor configured to recover a data signal from the electric digital signal.

Abstract: Apparatus arranged to perform data multiplexing or demultiplexing or a non-transitory computer readable medium comprising a computer program which, when executed by a computer, carries out a method of multiplexing or demultiplexing data, the apparatus comprising a memory, an interface, and a processing unit arranged to determine locations of corresponding regions of the memory for corresponding channels based on data sizes and time-unit-numbers that have passed since a previous corresponding quantity of channel data for a corresponding channel was last stored in the memory or processed, wherein the data sizes and time-unit numbers correspond to one or more channels of the plurality of channels, such that the processing unit will not store the corresponding quantity of the channel data, for each corresponding channel of the plurality of channels, at a location in the memory that is currently storing any channel data that has not yet been output or processed.

Abstract: Systems, devices, and methods of implementing 50 Gb/s Ethernet using serializer/deserializer lanes are disclosed. One such device includes circuitry operable to provide a media access control (MAC) interface. The MAC interface is associated with a port having a 50 Gb/s link rate. The device also includes circuitry operable to generate Ethernet frames from data received at the MAC interface and circuitry operable to distribute the Ethernet frames across a group of serializer/deserializer (SERDES) lanes associated with the port, the group having size N. The device also includes circuitry operable to transmit the distributed Ethernet frames on each of the SERDES lanes at a 50/N Gb/s rate.

Abstract: Various signal routing systems are disclosed. Some routing systems include a crosspoint switch or switching fabric for coupling input ports to output ports, allowing an input signal received at one of the input ports to be transported to one or more of the output ports. The systems may include aggregation or compression modules to allow multiple input signals to be combined into one or more compressed signals, which may be converted into optical signals for transmission to a communication network. In some embodiments, the communication network may include a packet switched router which extracts some of the input signals from the optical signals and produced corresponding packetized signals that are coupled to output ports. Some routing system may include only a packet switched router. Some routing systems may be configured to receive compressed or aggregated signals and to decompress or deaggregate such signals to form individual signals as output signals.

Abstract: In one embodiment, the present invention includes a method for receiving a first portion of a first packet at a first agent and determining whether the first portion is an interleaved portion based on a value of an interleave indicator. The interleave indicator may be sent as part of the first portion. In such manner, interleaved packets may be sent within transmission of another packet, such as a lengthy data packet, providing improved processing capabilities. Other embodiments are described and claimed.

Abstract: Provided are methods and devices for determining the assignment of subsignals (S1, S2, S3, S4) transmitted by inverse multiplexing, particularly via an Optical Transport Network (OTN), to the transmission links (5a, 5b, 5c, 5d) carrying said subsignals. After a synchronization for the correct assembly of the subsignals (S1, S2, S3, S4) into the digital reception signal (E), the signal transmission via at least one transmission link (5a, 5b, 5c, 5d) is interrupted for a detection process in which the subsignal assigned to the interrupted link is determined. The process may be repeated to determine all subsignal assignments.

Abstract: Various embodiments of systems and methods for memory access are provided. In one embodiment, a data segment is stored in a plurality of memory segments of at least one memory bank. The data segment stored in the memory segments is selected, where the data segment has a bit boundary that is arbitrarily misaligned with at least one memory segment boundary of the memory segments.

Abstract: Disclosed are a method and an apparatus for a coaxial cable based broadcast and communication convergence in a home network for supporting a frequency band less than a frequency band used in Multimedia over Coax Alliance (MoCA). The apparatus for broadcast and communication convergence includes a broadcast processor that transmits and receives broadcast signals from an external broadcasting network; a communication processor that transmits and receives communication signals from an external communication network; and a broadcast and communication converging unit that is operated as a terminal for the broadcast signals input to the broadcast processor and the communication signals input to the communication processor, and divides an occupied frequency band of the broadcast signals from a remaining frequency band, and uses the remaining frequency band as a channel for the communication signals.

Abstract: Input/output of network switches and the like are improved by a system including a gearbox, an inverse-gearbox, and a Gigabit Ethernet link coupling them. The gearbox and inverse-gearbox interconnect data streams received through wider lower rate Gigabit Ethernet interfaces through narrower faster rate interfaces. The gearbox is configured to bit-multiplex physical-layer data streams received through input interfaces to generate bit-multiplexed data streams. The inverse-gearbox is configured to demultiplex the multiplexed data streams and to output the recovered data streams through output interfaces. One of the output interfaces is selected for each recovered data stream according to a respective embedded physical-layer data stream identifier.

Abstract: A method of assigning Multimedia Broadcast Multicast Service (E-MBMS) bearers in a Multimedia Broadcast Single Frequency Network (MBSFN) area in a 3GPP compliant wireless communication system is provided. An infrastructure device is operably coupled to a radio access network comprising one or more MBSFN areas, wherein each MBSFN area supports a plurality of E-MBMS bearers for transporting media streams to user equipments (UE). The infrastructure device receives, from a UE, an identifier of a preferred MBSFN area and a request for a boost to the quality of the transmissions. The infrastructure device assigns first and second E-MBMS bearers in an MBSFN area to support a call to the UE, the first and second E-MBMS bearers providing the same information to the UE in their media content streams. The UE may employ application layer time-diversity reception of the media content.

Abstract: A method includes receiving, at a transmit site, a first stream of packets addressed to an end user device in a first address space. The first stream of packets is encapsulated to form a second stream of packets addressed in a second address space. A first packet of the second stream of packets is assigned to a first radio frequency channel of a plurality of radio frequency channels. A second packet of the second stream of packets is assigned to a second radio frequency channel of the plurality of radio frequency channels. The first packet is transmitted via the first radio frequency channel and, in parallel, the second packet is transmitted via the second radio frequency channel.

Abstract: Presented herein are system(s) for demultiplexing, merging, and duplicating packetized elementary stream/program stream/elementary stream data. In one embodiment, there is presented a system for processing data. The system comprises a first circuit and a memory. The first circuit receives transport packets carrying the data. The memory stores data and comprises at least one context. The first circuit maps the data associated with at least one channel to the at least one context.

Abstract: A relay device includes: a first port, a plurality of second ports, a splitter configured to branch first optical signals input from the first port into the plurality of second ports; and a plurality of optical modulators configured to modulate shared carrier light by multiplexing the carrier light with a plurality of second optical signals with different frequencies input from the plurality of second ports and by inputting the multiplexed carrier light into a plurality of nonlinear optical mediums, and to transmit the carrier light to the first port.

Abstract: A master transmitter distributes a plurality of audio channels to one or more expansion receivers as a multiplexed audio stream. Control information is also transmitted between the master transmitter and the expansion receivers. Both the control information and the multiplexed audio stream are transmitted on the same cable allowing for reduced clutter and cheaper material and installation costs.

Abstract: The present disclosure generally pertains to systems and methods for allocating bonding engines among bonding groups. In one exemplary embodiment, a provision module is configured to allocate bonding engines. When selecting a bonding engine for a new bonding group, the provision module only considers bonding engines residing on access modules that terminate at least one of the communication links of the bonding group. Out of the bonding engines residing on access modules terminating at least one communication link of the bonding group, the provision module selects a bonding engine servicing the least number of external links and assigns the selected bonding engine to the bonding group. The provision module also provisions the access modules terminating the communication links of the bonding group such that the selected bonding engine bonds such communication links during operation.

Abstract: An original blanking period of a video signal is shortened to a set blanking period, and audio data is multiplexed into a resulting superimposing period. Table distinguishing data indicating the length of the superimposing period is inserted into the period as a blanking signal. With this configuration, it is possible to enable transmission and reception of an audio signal in a system capable of transmitting and receiving a video signal.

Abstract: An original blanking period of a video signal is shortened to a set blanking period, and audio data is multiplexed into a resulting superimposing period. Table distinguishing data indicating the length of the superimposing period is inserted into the period as a blanking signal. With this configuration, it is possible to enable transmission and reception of an audio signal in a system capable of transmitting and receiving a video signal.