Abstract: A master-slave video playback interface in which a master video player is time based, and a slave video player displays a second video georeferenced to the first, e.g., the georeferenced frames of the second video in closest proximity to those being shown on the master player. The invention allows more efficient simultaneous viewing of multiple geo-tagged videos acquired at a singular geographical location, to compare videos, for example, collected on an oil or gas pipeline Right Of Way (ROW) at different times to monitor encroaching threats to pipeline integrity.

Abstract: An object of a reproducing apparatus according to the present invention is to solve a problem in that, when video data and music data of BGM are played simultaneously as they are, one of them is finished while the other is still playing, and accordingly, this does not provide an effect of sufficiently satisfying the user even though the BGM is inserted. The reproducing apparatus according to the present invention includes a recording medium capable of storing one or a plurality of video data, a network communication section for receiving, from a music server via a network, music-reproduction data having a reproduction time of almost the same length as a reproduction time of the video data stored in the recording medium, and a reproduction control section for simultaneously reproducing the music-reproduction data received by the network communication section and the video data stored in the recording medium.

Abstract: Multiple media devices are synchronized in a multi-media system having a computer system, a plurality of media devices, and a display system. Each media device to be synchronized receives a front-end synchronization signal that periodically increments a front-end counter. The front-end counter represents an unadjusted system time (UST). The media device obtains a frame of data to be displayed from a computer system. The media device also receives a back-end synchronization signal that periodically increments a back-end counter each time a frame of data is to he displayed. The back-end counter represents a media stream count (MSC). UST and MSC data are periodically transmitted to the computer system for analysis and use by a synchronization algorithm. Specifically, UST is transmitted to the computer system each time a frame of data is obtained, and a UST/MSC pair is transmitted to the computer system each time a frame of data is displayed.

Abstract: A terminal apparatus includes an operation unit, a time clocking unit performing time clocking, a communication unit performing communication with an external apparatus, and a control unit. The control unit executes a time synchronization processing for clocked time synchronization with the external apparatus having a time clocking unit. The control unit also executes a time information acquisition processing to acquire clocked time information by the time clocking unit with a timing at which an operation is made on the operation unit. The control unit further executes a transmission control processing to control the time information acquired by the time information acquisition processing to be transmitted to the external apparatus through the communication unit.

Abstract: A wireless media distribution system is provided comprising an access point (6) for broadcasting media and a plurality of stations (2) for reception and playback of media. Each station is configured for receiving and decoding a timestamp in a beacon frame transmitted repeatedly from the access point. This is used to control the output signal of a station physical layer clock (12) which is then used as a clock source for an application layer time synchronization protocol. This application layer time synchronization protocol can then be used in the station to control an operating system clock (8) for regulating playback of media.

Abstract: A data recording device is provided to record and redistribute stream data such as TV programs without imposing loads proportional to the number of users. Stream data of a distributed program is collated by a recording range judging section 4 with data already recorded of a stream data recording section 6 and, based on results from the collation, only newly distributed data is appended to the stream data recording section. Recording demand information representing a range of stream data of a program that a user makes a request for recording is recorded in a range recording section 5 and a user identifier to identify the user is recorded in a manner to be associated with the above recording demand range information. Stream data only in a range corresponding to the above recording demand range information of the user recorded by the above demand range recording processing is read out by a redistributing section 7 from the stream data recording section 6 and is redistributed to the user.

Abstract: Several data streams contain video, audio and/or other data. Some of the data streams are pre-recorded in a multiplex on a storage medium while other data streams are located out of the data stream multiplex on the storage medium. The data streams are synchronized using a navigation file (List_of_PlayItems), which comprises descriptors (Play-Items, SubPlayItems) pointing to parts of said data streams, wherein said descriptors define the arrangement in time for said data streams by means of data sub stream paths.

Abstract: A method and apparatus for continuously reproducing pieces of audio-video (AV) data includes selecting the pieces of AV data by searching a continuous sequence of AV data for the pieces of AV data matching an input keyword with metadata contained in the continuous sequence of AV data, and fading out a piece of AV data of the selected pieces of AV data for a first predetermined duration before ending reproduction of the piece of AV data.

Abstract: An image recording apparatus includes: a recording process section recording an image on a recording medium; an output process section outputting the image; and a control section multiplexing information on timing for starting the recording of the image with the image output from the output process section before the recording process section starts recording the image on the recording medium.

Abstract: Methods and systems for efficient synchronous playback among a group of devices using both locally and remotely stored data from one or more content providers are provided. A content identification and matching system can be used to identify local content on the group of devices and match the local content to content available from remotely available libraries. A control and content delivery system can be used to allow multiple devices to synchronously play content from local or remote sources as available.

Abstract: A method and apparatus for video playback includes coordinating a display of a video playback on a first device so as to be synchronized to a display of the video at a second device in response to the first device departing a control territory associated with the second device.

Abstract: Provided are methods for synchronizing multiple video recordings of the same event using audio signals of the recordings. An algorithm is designed to generate candidate time offsets for pairwise matches of video recordings based on audio signals corresponding to the recordings, and combine the candidate time offsets to obtain the most accurate actual time offset between each pair of recordings. Each candidate time offset for each pairwise match of recordings is assigned a confidence measure indicating how likely it is that the particular time offset is correct for the given pair of recordings. The confidence measure assigned to a particular time offset is based on various components and characteristics of the audio signal pair corresponding to the video recordings.

Abstract: A method and system to permit TV viewers to interact with program content broadcast over a subscriber network, such as cable, satellite, internet, or cellular telephone. The details of the ability for the viewer to interact is embedded as data in the program signal. The subscription provider broadcasts a visual indicator as a small icon during programming that informs the viewer that interaction is permitted. The viewer then uses a remote control to purchase products, vote on events, respond to polls, download files, request information, and request callback actions. The TV viewer uses the remote control to send information to a set-top box front-end application, and to iteratively create transactions that are batched and then sent to a back-end core application and database which then handles fulfillment.

Abstract: The invention relates to a method of sending commands to a VOD server, e.g. using RTSP, which is local to the client, said commands comprising a reference to the relative current position. The current relative position is maintained by the receiver on the basis of PTS received in the MPEG stream, without sending a request to the server or relying on the existence of a descriptor in the stream that can be used to deal with jumps in PTS included in the stream.

Abstract: A method is provided for determining with a first device, staleness of attestation measurements at a second device. The method includes booting up the second device at a first time, the second device having a communication portion, a security portion, a basic input/output system and a trusted protection module. Further, the method includes generating an initial counter based on the booting up of the second device at the first time. A current counter is then generated based on a second time after the first time. The method additionally includes providing a request to the second device from the first device, the request requesting booting information and current information, the booting information being based on the initial counter, the current information being based on the current counter. Still further, the method includes providing a response to the first device from the second device, the response including the booting information and the current information.

Abstract: A system and method are used to generate pseudo MPEG information from digital video information. An artificial time stamp module and a data transport device can be used to generate the pseudo MPEG information, including associating an artificial time stamp with the digital video information. This pseudo MPEG information can be decoded as MPEG information.

Abstract: Techniques for synchronizing audio and video content for presentation to a user at a same rate are provided. Streams of content from two or more sources of media, each media source having an associated clock, are synchronized by a synchronizing component and processor with respect to a master clock. As well, techniques are provided for ensuring that output devices are synchronized at preview startup. That is, such techniques ensure that the output devices start playing the media at the same time as well as at the same rate.

Abstract: At a master device are registered one or more other devices associated with one or more audio channels for recording at least one acoustic signal from one or more sound sources. The at least one acoustic signal is recorded using at least one of the master device and one or more other devices, and the at least one recorded acoustic signal is either collected by at least one of the master device and the one or more other devices, or transmitted to another entity by at least one of the master device and the one or more other devices. In the examples the registration assigns audio and/or video channels to different microphones of the different devices. In one embodiment these different recordings are mixed at the master device and in another they are mixed at a web server into a multi-channel audio/sound (or audio-video) file.

Abstract: A method of processing a video input which transmits pictures of a first view and pictures of a second view includes: checking the video input to detect if a first picture of one of the first and second views is correctly paired with a second picture of the other of the first and second views for a specific presentation time, and accordingly generating a detecting result; and referring to the detecting result for selectively performing a predetermined processing operation upon the video input.

Abstract: The present invention provides a tuning scheme for coordinating schedule information and programs received from multiple sources (26, 28, 30 and 34). In the preferred embodiment, an identifier associated with the program's channel (52) is used to identify a source device (26, 28, 30 or 34). When a user selects a program (60 or 62) listed in displayed schedule information (50), the system (10) reads the source identifier attached to the program's channel (52). The system (10) then carries out an automatic switching/tuning such that the required source device (26, 28, 30 or 34) is input to the destination device (22), and a tuner is then tuned to the selected program's channel (52).

Abstract: A purpose of the present invention is to provide a video replay system and a control method thereof in which the video replay speed is automatically controlled based on the note-taking speed of each viewer. The video replay system of the present invention comprises storage means for storing the video data; video replay means for replaying a video by reading the stored video data out of the storage means and displaying the video data on the display; detection means for monitoring a predetermined viewing behavior of a viewer of the replayed video, and for detecting a parameter associated with the viewing behavior; and automatic controlling means for, in response to the parameter detected by the detection means, automatically controlling the speed at which the video is replayed by the video replay means.

Abstract: The present invention relates in particular to a synchronization system and method. The synchronization system comprises a specification unit for specifying synchronization signals associated with an audiovisual program, the latter comprising an audiovisual content and control information, a recognition unit for recognizing the synchronization signals in a transmitted stream carrying this program, by recognition of at least one extracted portion of the audiovisual content, and an activation unit triggering an action in case of detection of these signals. The specification unit prepares and transmits to the recognition unit recognition elements making it possible to obtain this extracted portion, as well as at least one action timeout lag in case of detection of the synchronization signals. The recognition or activation unit then delays the triggering of this action according to the lag transmitted, in case of detection of the synchronization signals.

Abstract: Upon receipt of an MPEG stream, a time information converter modifies the PTSs of the audio data in the stream so that the timing for outputting the audio sound is delayed by the amount of time that is required for the processing of the video signal to be performed in a video signal processor while keeping the PTSs of the video data in the stream unchanged.

Abstract: A video-audio processing method includes acquiring encoded audio data, decoding the acquired encoded audio data and thereby creating audio data; causing an audio output unit to output the created audio data, capturing a video image of an object in synchronization with an output of the audio data by the audio output unit and thereby creating first video data, encoding the created first video data and thereby creating first encoded video data, holding the first encoded video data, and multiplexing the encoded audio data and the first encoded video data and thereby creating a first stream.

Abstract: An exemplary method for synchronizing audio playback of a plurality of digital media renders. The digital media renders include a digital audio/video (AV) media render and at least one digital audio media render. The method includes: detecting a relative time position difference between the digital AV media render and the at least one digital audio media render; and controlling audio playback of the digital audio media render to synchronize to audio playback of the digital AV media render according to the relative time position difference.

Abstract: The present invention provides a moving picture reproduction apparatus including a frequency change unit for changing a display frequency to a frequency of a moving picture when a reproduction of the moving picture starts and for changing the display frequency to a frequency prior to the start of the reproduction of the moving picture when the reproduction of the moving picture stops, and a reproduction unit for stopping the reproduction of the moving picture when the frequency change unit changes the display frequency, wherein the frequency change unit maintains the display frequency at the frequency of the moving picture in a case where the reproduction unit stops the reproduction of the moving picture in response to the change of the display frequency by the frequency change unit.

Abstract: The present invention relates in particular to a synchronization system and process. The synchronization system comprises a specification unit for specifying synchronization signals associated with an audiovisual program, the latter comprising an audiovisual content and control information, a recognition unit for recognizing these synchronization signals in a stream carrying this program transmitted via a broadcasting network, by recognizing at least one extracted portion of the audiovisual content, and an activation unit triggering an action in case of detection of these signals. The specification unit prepares and transmits to the recognition unit recognition elements making it possible to obtain this extracted portion, which comprise instructions for extracting the portion of content from at least one stream of an audiovisual program previously received by the recognition unit via the broadcasting network. In variants, the recognition elements are obtained independently of the specification unit.

Abstract: An image display apparatus, a mobile terminal and a method for operating the same are discussed. The method for operating the image display apparatus includes entering a wireless audio transmission mode, performing synchronization with a mobile terminal using a first wireless communication method, extracting audio data from multimedia data, and transmitting the extracted audio data to the mobile terminal using a second wireless communication method different from the first wireless communication method. By this configuration, it is possible to improve user convenience.

Abstract: The invention relates to a reproduction device, with a device acting as a source of digital services. It also relates to a method of synchronizing two parts of a digital service in a system including a source device according to the invention and at least one reproduction device according to the invention. According to the invention, the reproduction device includes means for receiving the data forming at least a part of a digital service originating from a digital service source device, means for processing at least some of the data received, means for reproducing an output of at least a part of the digital service, the time for processing and reproducing the data introducing a delay in the output of the reproduced data. This device also includes communication means for informing the source device of the delay introduced.

Abstract: A media-rendering apparatus for real-time streaming of audio/video (AV) data to a media-player having one or more input direct-access-storage-device (DASD) interfaces, the apparatus including a real-time AV data source unit, an input frame buffer operatively coupled with the real-time AV data unit, an AV real-time encoder, an encoded-frames buffer, a power source, a storage-device content emulator and a DASD interface device for communicating with the media-player. Preferably, power is provided through the DASD interface device.

Abstract: According to one aspect, the invention relates to a system for determining the movements of an object from a stream of images of said object. The system includes, in particular, a computer having a memory and a central processing unit, said central processing unit including: a reading unit (12) for recording each image of the stream of images in an input buffer memory (22); a processing unit (13) making it possible to determine, for each image, a change in the position and/or in the deformation of said object relative to the image immediately preceding said image in the stream; the reading and processing units being synchronized such that the processing of each of said images of the stream of images is carried out either simultaneously at the time of the reading of an image following said image in the stream of images, and of the recording thereof in the input buffer memory (22).

Abstract: Techniques are disclosed herein for managing the transfer of digital media that is recorded on a source device (e.g., personal video recorder) to a target device (e.g., portable media player). In one aspect, a user interface is provided for scheduling recording of digital media content on a source device and for inputting user preferences for transferring digital media content to be recorded on the source device to a target device. A user request is received in the user interface to schedule recording of digital media on the source device. User preferences for transferring digital media from the source device to the target device are also received in the user interface. The digital media is recorded on the source device per the user's request. Synchronization of the recorded digital media from the source device to the target device is managed based on the user preferences.

Abstract: To provide a video distribution device which can realize a smooth change of reproduction speed without increasing a data transfer rate from the time of a normal reproduction and decrease a decoding load even when the reproduction speed is changed. The video distribution device which distributes a video content composed of a basic signal and one or more extended signals that are hierarchically configured includes content read-out means for reading out the basic signal and the extended signal in the video content at mutually independent bit rates and reproduction speed change means for changing a content reproduction speed by specifying a read-out bit rate for each signal to the content read-out means.

Abstract: Provided are a multimedia data reproducing method and an apparatus for controlling a multimedia data reproducing speed based on a multimedia data packet receiving speed. The method including controlling a reproducing speed of the multimedia data based on a first time difference between times at which a plurality of packets including the multimedia data are respectively received and a second time difference between times to respectively reproduce the multimedia data corresponding to the plurality of packets; and reproducing the multimedia data at the controlled reproducing speed.

Abstract: A video disk player includes (i) a disk reading section for reading out video data, a program, synchronization timing information from an optical disk; (ii) a clock for generating a clock signal; (iii) a decoder for converting, in accordance with the clock signal, the video data into decompressed video data for reproduction output; (iv) a video reproducing section including a synchronization control section for transmitting, in accordance with the clock signal, a synchronization control signal to the program executing section at a timing specified by a field timing contained in the synchronization timing information, and (v) a program executing section for executing a program in accordance with the synchronization control signal received from the synchronization control section. This makes it possible to efficiently execute the program in synchronization with reproduction of AV data or the like.

Abstract: Method and apparatus for providing alternative audio for combined video and audio content, the method comprising: determining a current playback position of the combined video and audio content. Synchronising the alternative audio with the determined current playback position. Playing the alternative audio synchronised with the current playback position.

Abstract: A method and device for synchronizing audio/video signals is provided. A first and a second auxiliary signal are generated, wherein the first and the second auxiliary signals are pulse-shaped, and transmitted to a first and a second rendering device via a first and a second transmission path, respectively. The first audio/video output signal based on the first auxiliary signal and a second audio/video output signal based on the second auxiliary signal are outputted to a user. The user adjusts a delay of the first and/or second transmission path by synchronizing the first audio/video output signal with the second audio/video output signal.

Abstract: A system may receive an enhanced media stream that includes media content and interactive content relating to the media content, present the media content for display on a video display device, detect initiation of a trick mode during presentation of the media content, and present information, relating to the interactive content, superimposed on the media content presented for display on the video display device during the trick mode.

Abstract: A multimedia processing system for processing a program stream containing a program clock reference information. The system comprises a clock generator, a timer, a modifier, a processing unit, a parser and a compensator. The clock generator generates a clock signal. The timer receives the clock signal and generates a time information. The modifier incorporates a timing reference information into the program stream, wherein the timing reference information is provided according to the time information and the program clock reference information. The processing unit processes the program stream to generate a data stream incorporated with the timing reference information. The parser extracts the timing reference information from the data stream. And, the compensator generates a control signal according to the timing reference information. Wherein the clock generator receives the control signal and adjusts the clock signal.

Abstract: Systems and methods for synchronizing the playback of network media across multiple content playback devices, termed herein as “playback devices”, “clients”, or “client devices”. In one implementation, client devices are controlled to parse and buffer media content separately. Once all clients are ready, a controller may cause the client devices to start in a synchronized fashion based on signals sent by the controller. The controller adjusts the timing of the signal so that the outputs are displayed in synchronization on each client device. In other implementations, device lag times may be measured. In still other implementations, a master device may synchronize playback of media content on slave devices. In yet other implementations, devices may buffer and join playback of media content occurring on other devices. In further implementations, the systems and methods may be expanded to include steps of processing authentication for service providers prior to arranging synchronized playback.

Abstract: An exemplary audio guiding method includes obtaining signals transmitted by one booth/spot. The method analyzes and determines an identifier contained in the signal, determines an audio file corresponding to the determined identifier according to a stored first table, and obtains the determined audio file from a storage unit. Next, the method determines whether the obtained signals contain the exhibiting information of the exhibit. If yes, the method determines the playing time point of the obtained audio file corresponding to the exhibiting information of the exhibit according to the stored first table. The method then controls an audio playing unit to play the obtained audio file from the determined playing time point.

Abstract: An amplifier includes a first reception section which receives multimedia data via the Internet, a first separation section which separates sound data from the multimedia data, a synchronization data generation section which generates synchronization data based on the sound data, and a synchronization data transmission section which transmits the synchronization data to a set-top box via an infrared communication channel; and the set-top box includes a second reception section which receives the multimedia data via the Internet, a second separation section which separates image data from the multimedia data, a synchronization data reception section which receives the synchronization data via the infrared communication channel, and a matching section which determines reproduction target image data based on the synchronization data.

Abstract: In various embodiments, a platform is provided for interactive user experiences. An application, running on device A, can be synchronised with the audio reproduced by a device B. Device A can listen to the audio of device B and obtaining the timecode by processing the recorded audio. Therefore, an application, running on a portable device, can display trivia and information exactly at certain points of a show reproduced by a TV set located in the same room.

Abstract: A method, apparatus and system for synchronizing between two recording modes includes identifying a common event in the two recording modes. The event in time is recognized for a higher accuracy mode of the two modes. The event is predicted in a lower accuracy mode of the two modes by determining a time when the event occurred between frames in the lower accuracy mode. The event in the higher accuracy mode is synchronized to the lower accuracy mode to provide sub-frame accuracy alignment between the two modes. In one embodiment of the invention, the common event includes the closing of a clap slate, and the two modes include audio and video recording modes.

Abstract: A playback method that plays video data and audio data associated with the video data, includes the steps of: calculating, in the video data, a difference between a playback interval and an interval of the audio data; performing first conversion that converts the length of the playback interval in accordance with the difference; and performing second conversion that alternately outputs each frame repeatedly three times and repeatedly two times on the video data and converts the video data at a first frame frequency to the video data at a second frame frequency in a two-to-five relationship with the first frame frequency, wherein the first conversion is configured such that the frame difference after the conversion can be equal to or lower than one between the frame group based on the frame output repeatedly three times and the frame group based on the frame output repeatedly two times.

Abstract: A television includes a transmitting and receiving unit that transmits and receives video data to/from an external apparatus connected to the television, a connection terminal, which is connected to the transmitting and receiving unit, and located on a side of the television, and a control unit configured to inhibit the transmitting and receiving unit from outputting video data from the connection terminal unless an instruction removing the inhibit is received.

Abstract: A pair of main-view and sub-view video streams and a graphics stream are recorded on a BD-ROM disc. Metadata is provided in each GOP in the sub-view video stream. The metadata includes offset information. The offset information specifies offset control for a plurality of pictures constituting a GOP. Offset control is to provide a left offset and right offset for the horizontal coordinates in a graphics plane to generate a pair of graphics planes, and to combine them separately with main-view and sub-view video planes. The sub-view video stream is packetized and multiplexed in a transport stream. A header of each TS packet includes a TS priority flag. TS packets containing the metadata have a different value of TS priority flag from TS packets containing sub-view pictures.

Abstract: A method for play synchronization and a device using the same are provided. A first device stores time-based content play information. The first device plays content according to the time-based content play information. The first device transmits the time-based content play information to a second device so that the second device plays the content according to the time-based content play information. Accordingly, the content played by one device can be played by another device concurrently.

Abstract: The present invention is embodied in a system for synchronizing a mobile device with video output by a video output device. In one embodiment, the system comprises a data reader, a remote control, and a router. The data reader is configured to be connected to a video output device for reading digital codes associated with video or audio signals output by the video output device. The remote control has a user input mechanism and is configured to transmit an activation signal to the data reader after activation of the user input mechanism. The router is configured to be connected to a wide area network for transmitting data from the data reader to a remote data server. The router is also configured to establish a local data connection between the data reader and a mobile device.

Abstract: A method provide a selection option to the at least one portable device, the selection option relating to selection of the first audio content and retrieving a selection from the at least one portable device based on the selection option. The method further retrieves a selection of the second audio content and synchronizing the first audio content, the second audio content, and the video content by embedding a synchronizing signal in the first audio content, the second audio content, and the video content. The method further outputs the second audio content and the video content to an output device according to the synchronizing signal. Responsive to the selection of the first audio content, the first audio content with the embedded synchronizing signal is transmitted to the least one portable device, wherein the at least one portable device outputs the first audio content according to the synchronizing signal.