638results about How to "Achieve playback" patented technology

The embodiment of the invention discloses a multichannel playing method and a system. The method comprises steps: the number of sound boxes is determined; sensing signals from other sound boxes acquired by a microphone of each sound box are acquired, and according to the sensing signals from other sound boxes acquired by the microphone of each sound box, the relative position of each sound box is determined; image signals acquired by a camera of each sound box are acquired, and according to the image signals acquired by the camera of each sound box, the relative position between the user and each sound box is determined; and according to the determined number of the sound boxes, the relative position of each sound box and the relative position between the user and each sound box, each sound box is configured, and playing of 3D multichannel sound effects can be realized. according to the technical scheme provided by the embodiment of the invention, the problem that multiple connected sound boxes can not be integrated in the prior art, and thus 3D multichannel playing effects can not be provided can be solved.

The invention relates to the audio-video synchronization technology and discloses a method for synchronously pushing audios and videos in a video conference to realize true synchronous audio-video sharing. The method includes that sharing source equipment accesses a video conference terminal by means of a network, the video conference terminal initiates a sharing command to the sharing source equipment and an MCU (microprogrammed control unit), the sharing source equipment collects own audio-video data and pushes the data to the video conference terminal, and the video conference terminal sends audio-video data flow to the MCU which forwards the data flow to client terminals of participants; when the sharing source equipment collects the audios and videos, a time shaft is established and a time stamp is established for each collected data flow packet to guarantee time synchronization during playing; when the MCU forwards media stream data, a synchronous tracking thread is established to automatically track and synchronously update the media stream data; when the client terminals receive media stream for decoding playing, and synchronous playing is performed according to time shaft information. The method for synchronously pushing audios and videos in the video conference is suitable for synchronous sharing of audios and videos in a video conference system.

The invention provides a network teaching method and system with a voice assessment function. According to the voice assessment method provided by the invention, a phoneme state of a voice is used for replacing a multi-Gaussian mixture model trained by a conventional Mel-frequency cepstral coefficient (MFCC), and a posterior probability and a zero-order Baum-Welch statistical magnitude are calculated according to the feature. A voice feature based on phonemes is extracted through a multi-language phoneme identifier. A feature based on multi-language extraction is complementary during catching of non-native pronunciation information, and a feature based on phoneme duration is effective in automatic native accent assessment. Finally, a fusion system is provided in the method, so that Spearman relevant coefficients of 0.5706 and 0.6089 are reached on a development set and a test set. As indicated by the relevant coefficients, the method provided by the invention is very accurate and effective in oral speech assessment.

The invention provides a multimedia display interaction control system under multi-screen environment. According to the system, a set of multimedia files are played on different screens under one set of application environment, and unified linkage or respective play control can be carried out. The multimedia display interaction control system comprises a resource management module, a file loading module, a play control module and a control engine, wherein the resource management module maintains an opened multimedia file list and a display screen resource list. A multimedia file play object and a play window handle value are generated in a code every time a new multimedia file is opened and played. The multimedia play objects and the play window handle values are maintained in the multimedia file list, screen resource information of the system is maintained in the display screen resource list, certain-screen play or multi-screen switching display is carried out on the multimedia files through the control engine, and arbitrary combination and switching of respective control and linkage control over multiple display screens can be achieved through the play control module.

The invention relates to a method for automatic recognition and playing of a numbered musical notation image. The method comprises the three steps: step 1, numbered musical notation image preprocessing; step 2, numbered musical notation basic element recognition; and step 3, generation and playing of a digital audio. On the basis of a deep analysis on a numbered musical notation characteristic, lots of difficulties of numbered musical notation recognition are overcome and thus a complete method for automatic recognition and intelligent playing of a numbered musical notation is provided. According to the method, multiple forms of printed numbered musical notations including a printed numbered musical notation, a numbered musical notation with lyrics, a mixed musical notation with a numbered musical notation and a staff and a mixed musical notation with a numbered musical notation and a guitar musical notation and the like can be automatically recognized with over 95% accuracy. Besides, the method enables playing effects of a numbered musical notation by various instruments like a piano, a violin, and a guitar and so on to be simulated and real-time recognition and playing of the numbered musical notation to be realized.

A realization system and a realization method for a split-type multi-channel synchronous play for a multimedia file based on a wireless transmission technology are disclosed, wherein the realization system comprises a wireless local area network and at least two programmable multimedia file play devices with wireless communication modules; each programmable multimedia file play device with the wireless communication module comprises a power supply, as well as a central processor, a storage unit, a wireless signal transceiving module, and audio and video decoding and outputting modules which are interconnected via circuits; and the play device performs a data transmission via the wireless communication modules, and synchronously performs the decoding and outputting for audio and video via the audio and video decoding and outputting modules. The realization system and the realization method for a split-type multi-channel synchronous play for a multimedia file based on a wireless transmission technology disclosed by the invention have the advantages of multi-channel play and file sharing, wherein a split-type multi-channel synchronous play is realized by a plurality of programmable multimedia file play devices with wireless communication modules, so that a multi-channel stereo multimedia file play is completely realized; and the sharing for a multimedia file is finished while the split-type multi-channel synchronous play is realized.

A mine rescue command visualization of wireless devices includes front-end equipment, repeater equipment, ground receiving equipment. Front-end equipment can capture filed picture under very low illuminance circumstances, and then audio signal and the parameters in the Underground sent to ground receiving equipment by way of repeater equipment, are downloaded and stored by ground operations center platform to achieve the dynamic of the scene underground surveillance and command. The invention's front-end equipment is an independent, full-featured, compact appearance of the micro-devices, adopting the most advanced Mesh wireless broadband network technology, using intelligent explosion-proof AP equipment for data transmission , the invention has real-time, accurate, multi-directional, multi-functional high speed and efficiency the advantages.

The invention provides a steel pipe magnetic powder inspection fluorescent image detection apparatus and detection method. The detection apparatus comprises a steel pipe motion control system, a camera, an ultraviolet flash lamp containing an ultraviolet optical filter, a fluorescent optical filter installed before the lens of the camera, a magnetic powder image electric control system connected with the steel pipe motion control system and a monitoring computer connected with the magnetic powder image electric control system, wherein the magnetic powder image electric control system is also connected with the camera and the lens, and the monitoring computer is connected with the camera and a production management system. With the detection apparatus and detection method, the problem of poor imaging quality caused by weak magnetic powder fluorescence, insufficient brightness, complex steel pipe shapes, insufficient depth of field and motion smear of a steel pipe is overcome, fluorescent steel pipe images with high brightness, good size resolution, distinct gradation, low noise and high quality are obtained, and displaying, storage, retrieval and playback of fluorescent steel pipe images, detection of suspected defects and further confirmation of flaw detection defects of the steel pipe can be realized.

The invention discloses a method for mapping multimedia files based on call record and a mobile terminal, when call record is stored by the method, address information for sound record or video multimedia file of the call is mapped to the call record; when playing the multimedia file, finding the multimedia file according to address information of the multimedia file mapped in the call record and playing the multimedia file. By associating the call record with multimedia files like sound record and video, the invention realizes display and playing of the multimedia file recording information like call record and video call record in the call record menu, users can directly view and play the multimedia file recording information of call fragment preserving sound record or video through call record menu, which makes use of cell phone more convenient and humanistic.

The invention provides a method and system for playing home media videos and a mobile communication terminal. In the method, the mobile communication terminal and a set-top box are connected with wireless fidelity (WIFI) equipment. The method comprises the following steps: the mobile communication terminal sends a play request to the set-top box via the WIFI equipment, wherein the play request comprises the intemet protocol (IP) address and the port of the mobile communication terminal and also comprises the program information of the play request; after receiving the play request, the set-top box obtains the transport stream (TS) corresponding to the program information from a video server and sends the TS to the mobile communication terminal corresponding to the IP address and the port via the WIFI equipment; and the mobile communication terminal decodes and plays the received TS. The scheme of the invention can adopt the mobile communication terminal to play the TV programs under the condition of no extra expenses.

The invention provides a system for controlling an infrared thermal imager by utilizing a mobile phone and a method thereof. The system comprises a client and the infrared thermal imager which is taken as a server terminal and is connected with the client through a communication network. The infrared thermal imager is installed at a place where carrying out an infrared test and/or monitoring is needed, and provides an infrared thermal image video of a monitored object and temperature data of a point contained in an infrared thermal image. The client is arranged at a position far from the infrared thermal imager and provides a remote control operation for the infrared thermal imager. According to the system and the method, monitor personnel or a user is allowed to carry out long distance supervision and operation on the infrared thermal imager by utilizing the mobile phone.

The invention relates to a method and device for recording and playing back virtual scenes and a playback system, relating to the technical field of communication. The playback method comprises the following steps: responding to a playback request sent by a terminal device and searching playback data of virtual scenes by the playback request, wherein playback data comprises executing logics, material data and time points of all events in the virtual scenes; sending playback data to the terminal device such that the terminal device can restore all the vents according to time points of all events and executing logics and material data of all events to play back virtual scenes. The method and device for recording and playing back virtual scenes and the playback system have the following beneficial effects: space occupation of a server and the terminal device are reduced; memory occupation of the terminal device is reduced; development cost and difficulty of a client side are reduced; and meanwhile, maintenance cost of the serve is lowered.

The invention discloses a method for playing streaming media contents. A streaming media player receives streaming media data corresponding to the streaming media contents to be played, wherein the streaming media data is the streaming media data in a new streaming media format. The data in the new streaming media format structurally comprises a head, an index and one or more new streaming media packets sequentially, wherein the head is used for describing the media information of a file; the index is used for storing an index table of the position of video key frames; elements in the index are stored from a smaller time stamp to a larger time stamp; the new streaming media packets are used for storing a video frame or one or more audio frames respectively; the new streaming media packets are stored from the smaller time stamp to the larger time stamp; the streaming media data in the new streaming media format is buffered and analyzed; and when the total traffic of the received streaming media data is equal to a buffer threshold of the streaming media data, the streaming media contents corresponding to the streaming media data are played.

The invention discloses a railway safety production information management system. Railway line data is stored in a map server; the map server is connected with a Web server and is used for the positioning of vehicle equipment, personnel and construction points; a video server is connected with the Web server and is used for storing uploaded vehicle monitoring or mobile monitoring video files; a database server is connected with the Web server and is used for storing construction and equipment management information; a communication scheduling server is connected between the Web server and a large-scale road maintenance machine and is used for managing and scheduling the data interaction between the large-scale road maintenance machine and the Web server; and a client is connected with the Web server and is used for obtaining map, video and database server data through the Web server. The method provided by the invention is capable of solving the technical problem that the existing public work mechanical section construction production and equipment management depend on manual filling so that standard, safety and instantaneity control cannot be carried out on the plan implementation process and uniform management cannot be carried out on the standing book, dynamic state and fault of the equipment.

The invention provides a screen display information processing method, and a screen display information display method and system. The processing method is applied to a mobile terminal that establishes a communication connection with at least one external device in a preset connecting manner, the mobile terminal has a first display screen, the external device has a second display screen, the method comprises the following steps: after a first operation instruction triggered on a display screen application program interface is received, the display screen comprises a first display screen and a second display screen, making response to the first operation instruction, and determining the information of a target display screen corresponding to the first operation instruction, wherein correspondingly, the target display screen is the second display screen or the first display screen; and sending a response result obtained after making response to the first operation instruction to the target display screen corresponding to the target display screen information for display. By adoption of the method and system provided by the embodiment of the invention, the application program being executed by a mobile phone terminal can be switched to the external device for continuous playing or displaying.

Embodiments of the present invention provide a method and device for playing an animation, belonging to a communication technology field. The method includes obtaining a first attribute value of an animation object of the current moment when an audio signal is detected, and determining a second attribute value and a first speed value corresponding to the audio signal; taking the first attribute value and second attribute value respectively as a starting point and end point, and playing the animation object according to the first speed value; and stopping, when the audio signal stops, playing the animation object if the playing of the animation object does not end. The device includes an audio starting animation playing module and an audio ending animation playing module. In embodiments, the playing of the animation is achieved through detecting the audio signal and playing the animation object combing the audio signal, which achieves the effect of the animation and enriches the displaying effect.

The invention relates to a taxi roof numeral multi-purpose intelligence integration electron display screen system, belongs to the advertisement issue carrier domain. This system is composed of the central control server, the radio communication network, the GPS global positioning system and the digital multi-purpose intelligence integration electron display screen machine, its characteristic lies in the digital multi-purpose intelligence integration electron display screen machine is composed of the electronic display screen, control mainboard and the memory, the electronic display screen, control mainboard and the memory sets in a machine case, the control mainboard setup the display control module, the GPS global positioning system function module and the radio communication function module. This system each part of mutual adjusting work realizes the long-distance maintenance of the broadcast content, the broadcast content changes under the time and position change, and real-time receive and broadcast information. This system may place on the taxi roof and other vehicles; roll broadcasts the content of city propaganda, literary style service, advertizing info and service guide and so on.

The invention relates to a noise cancelling bluetooth headset, in particular to a noise cancelling bluetooth headset which is relatively good in noise cancelling effect and convenient to use, and overcomes the defects that the conventional headset is difficult to be switched in wired/wireless transmission ways at any moment, and poor in music quality. The invention provides the noise cancelling bluetooth headset which can realize the automatic wired/wireless switch, and is relatively good in audio playback effect. In the noise cancelling bluetooth headset, a physical noise cancelling structure and an internal noise cancelling circuit are respectively adopted to process noise inside and outside the headset, the physical noise cancelling structure is used for isolating external high frequency noise, and meanwhile, the internal noise cancelling circuit is used for eliminating internal noise during the transmission process of the low and medium frequency noise and audio signals entering the headset, so that the audio signal entering the human ears finally is not affected by noise completely.

The invention discloses a video file playback method and device, belonging to the field of video surveillance. The video file playback method comprises the following steps: confirming the playback time point corresponding to an intelligent playback mode; obtaining the video files of N channels corresponding to the intelligent playback mode; retrieving at least one target video fragment from the video files of the N channels according to the order of the video time using the playback time point as the retrieving starting point, wherein the target video fragment is a video fragment which is identified with an intelligent event; intercepting the target video fragments from the video file of the corresponding channel; and replaying each target video fragment in the corresponding playback areaaccording to the belonging channel in the playback interface. The invention solves the problem in related technologies that the intelligent playback mode only supports single-path playback because thetime segments separately corresponding to the intelligent event information in the video files of a plurality of channels are different or even intersecting, therefore, the effect of supporting multi-channel intelligent playback is achieved.

The invention relates to the field of software, image information processing methods and programs, in particular to an image file format, a generation method, a device and an application of the image file format. The image file format is characterized in that an image file at least comprises one of the following information: direction information, horizontal dip angle information, acceleration value information, light intensity information, noise value information, temperature information, air pressure information, moisture information, environmental gas information and environmental powder dust information. The image file format has the beneficial effects that the image file comprises information written synchronously during shooting and collected from a sensor, post-processing can be performed on a picture by using the information to form a vector diagram, and the vector diagram is processed to generate a multi-dimensional image; and an information processing center is established, an image file comprising sensor information is collected or received, and the sensor information value comprised in the image file is extracted by using an information processing center, so that a geographical or time distributing picture of a certain sensor information value is formed. The image file comprises an acceleration value for realizing a dynamic image.

The invention provides an implementation method and device for a voice bullet screen. The method comprises the following steps of receiving voice bullet screen information sent by a client, wherein the voice bullet screen comprises a video identification and a voice content which are corresponding to a video playing interface of the client, and video playing time for a client user to trigger voicebullet screen operation; determining a video identification of a playing video and a target client matched with the video identification; and when the video playing progress of a video played by thetarget client reaches the video playing time, controlling the target client to output the voice content, wherein the playing frequency band of the voice content is different from the playing frequencyband of the video. According to the method and the device, the voice bullet screen and the video voice can be simultaneously output without interfering with the voice of the currently-playing video,and the normal playing of the voice bullet screen is realized.

The invention innovation relates to a TWS earphone, and relates to a computer readable storage medium realizing TWS earphone voice-music simulcasting; a computer program is stored in the readable storage medium, and can be applied on a processor; in a communication process, a main earphone uses a Bluetooth chip to obtain the communication voice sent by an external device; the main earphone obtains the communication voice and sends same to a main speaker for playing; a main communicator transfers the communication voice to a slave earphone in a microwave communication mode, and the communication voice can be played by a slave speaker of the slave earphone, thus allowing the main earphone and slave earphone to play the communication voice in the same time; when a user needs to play the communication voice and music in the same time, the main earphone can mix the communication voice with local audio frequency so as to form mixed sounds, the main communicator transfers the mixed sounds to the slave earphone, and then mixed sounds can be respectively played by the main speaker and slave speaker, thus allowing the main earphone and slave earphone to both play the communication voice and the music in the same time.