222results about How to "Reduce stuttering" patented technology

The invention provides a display method and system based on a virtual reality technology. The method comprises the steps that a collection terminal collects audio data and image data and preprocessing the audio data and the image data so that audio information and image information can be generated and sent to a server; a virtual reality terminal obtains motion parameter information of a wearing user and sends the information to the server, sends a request for watching a three-dimensional audio corresponding to a current environment to the server, and receives and displays three-dimensional audio information which is sent by the server and is synchronous to a user motion state; the sever receives the audio information, the image information and the motion parameter information, trains the motion parameter information in an SVM model to determine a motion state, and generates three-dimensional audio information according to the audio information, the image information, and preset background information, obtains the three-dimensional audio information synchronous to the motion state through adjustment, and sends the obtained three-dimensional audio information to the virtual reality terminal. In this way, through the combination of the motion state, delay of infra-frames of a three-dimensional audio is made up, smearing feeling and sticking feeling are lowered, and the user experience of virtual reality equipment is improved.

The invention provides a picture thumbnail display method. The method comprises the following steps that a first thread starts a second thread and a third thread; a second thread terminal scans picture files to obtain a picture file list to be displayed, and transmits the picture file list to the first thread; the first thread requests to load a picture thumbnail from the third thread according to the picture file list to be displayed; the third thread acquires thumbnail data which correspond to each picture file to be displayed, and returns the thumbnail data to the first thread; the first thread displays a thumbnail which corresponds to the picture file to be displayed through a picture display control according to the thumbnail data. Through implementation of the picture thumbnail display method, asynchronous loading processing can be performed on picture thumbnails, the lagging phenomenon is avoided, and the display smoothness of the picture thumbnails can be enhanced. Moreover, the invention further provides a picture thumbnail display device.

The embodiment of the invention provides a method for detecting the network transmission condition and a related device. The method for detecting the network transmission condition can include the steps that a first communication device measures and calculates a transmission state characterization parameter for characterizing the network transmission state between the first communication device and a second communication device; if the transmission state characterization parameter meets a preset condition, the first communication device sends real-time transmission protocol messages to the second communication device, wherein at least one of a transmission rate adjusting command and the transmission state characterization parameter is carried in message headers of the real-time transmission protocol messages, and the transmission rate adjusting command is determined based on the transmission state characterization parameter. According to the technical scheme of the embodiment, the estimated accuracy of the available bandwidth of the transmission end network is easily improved, the bandwidth using rate is further improved, and delay and blocking are reduced to improve the user experience.

The invention discloses a method for accessing databases, a mobile terminal and a computer readable storage medium. The method includes receiving database access requests; acquiring priority of processes according to identification of application programs; inserting the database access requests into to-be-processed database access request queues according to the priority; sequentially processing database access requests in the to-be-processed database access request queues. The identification of the application programs and access type information are carried in the database access requests. The processes correspond to the application programs. The database access requests corresponding to the processes with the high priority have correspondingly high priority; the priority of read types of database access requests is higher than the priority of write types of database access requests under the condition that the database access requests correspond to the processes with identical priority. The method, the mobile terminal and the computer readable storage medium have the advantages that the to-be-processed database access requests are sorted, accordingly, system slowdown feeling ofusers in use procedures or jamming phenomena can be reduced, and the use experience of the users can be enhanced.

The embodiment of the invention provides a memory reclaiming method and device for a terminal device. The terminal device is provided with one or multiple application collections, applications in the application collections have corresponding interface stacks, and when the interface stacks are in an operating status, corresponding memories are allocated. The method comprises the steps that when the application collections are switched to a background interface from a foreground interface, the interface stacks, in the operating status, in the application collections are recorded; interface stacks to be reclaimed are determined in the interface stacks; memories allocated for the interface stacks to be reclaimed are reclaimed. According to the memory reclaiming method and device for the terminal device, redundant memories can be released according to switching of the application collections, free memories in a system are increased, and lagging caused by memory reclaiming of the system is reduced.

The invention discloses an information representation method and device and an information system. The method comprises steps as follows: whether the quantity of information in a representation queue used for pre-storing to-be-represented information is smaller than a first preset quantity is judged, if the quantity of the information is smaller than the first preset quantity, a second preset quantity of information is requested from a server, information returned from the server is added to the representation queue, and the second preset quantity is larger than the first preset quantity; when the condition that a scroll bar of a visible window rolls downwards to the position where the distance between the upper end of the scroll bar and the bottom of the visible window is smaller than a preset distance is monitored, the first preset quantity of information is extracted from the representation queue, is rendered and is loaded to the visible window. According to the technical scheme, the delay of information rendered and loaded by a front-end client can be shortened, and the lag phenomenon during user operation is reduced.

The invention discloses a master-slave switching method and device for double wireless Bluetooth equipment, equipment and an audio system. The master-slave switching method comprises the following steps: acquiring a switching trigger event of master-slave role switching; generating a master-slave switching request according to the switching trigger event; sending a master-slave switching request to a wireless master device through preset sub-time slots of an established master and slave Bluetooth link at the anchor point position of the slave device end; and when the target anchor point of master-slave switching arrives, executing master-slave role switching with the current wireless master device. The existing communication link is subjected to time division multiplexing, and master-slaveswitching is carried out by utilizing an idle time interval in a standard time slot, so that the phenomena of audio playing delay and jamming of master-slave equipment can be reduced during master-slave switching; position resources of the sub time slots are effectively utilized, communication information transmission quantity is reduced, and bandwidth loss is further reduced.

An embodiment of the invention discloses an image processing method and a terminal device and is applied to the technical field of computers. The method disclosed in an embodiment of the invention comprises the following steps: an object image to be rendered is obtained after the image to be rendered is subjected to filtering operation via use of a rapid median filtering algorithm based on mean value acceleration; a rendering task for rendering the object image to be rendered is decomposed into a serial rendering task and a parallel rendering task, the serial rendering task is sent to a central processor CPU and is subjected to serial processing operation, the parallel rendering task is sent to a figure processor GPU and is subjected to parallel processing operation, and a rendering result obtained via the serial processing operation performed through the CPU and a rendering result obtained via the parallel processing operation performed through the GPU are synthesized into an object rendered image. Image rendering speed can be improved, and frame lag phenomena can be reduced.

The invention provides a method for reducing stutter in the amplification of a microsatellite comprising the steps of providing a sample comprising a microsatellite having a G+C content of greater than 50%; contacting the sample with at least one enzyme having nucleic acid polymerase activity; and incubating the sample with the enzyme for a sufficient amount of time and under conditions sufficient to amplify the microsatellite; wherein the incubation is performed in the presence of an amount of sorbitol effective to reduce stutter relative to the amount of stutter observed in the absence of sorbitol. The invention also provides compositions containing sorbitol, kits for amplifying microsatellites having a G+C content of greater than 50%, and methods of using all of the foregoing.

The invention discloses a data transmission method, a data transmission device, electronic equipment and a computer readable medium, which relate to the technical field of communication. The data transmission method comprises the steps of: detecting whether an audio playing module of the electronic equipment receives a playing request of audio data when the electronic equipment is connected with wireless audio playing equipment; if the playing request is received, determining an encoding rate used for transmitting the audio data to the wireless audio playing equipment; increasing a bandwidth of a target data chain between the electronic equipment and the wireless audio playing equipment according to a corresponding relation between a preset bandwidth and the encoding rate; and transmittingthe audio data to the wireless audio playing equipment by means of the target data chain with increased bandwidth. According to the data transmission method and the data transmission device, the bandwidth of the target data chain between the electronic equipment and the wireless audio playing equipment can be large when the encoding rate is high, the transmission speed of data with high encodingrate can be improved, and the occurrence of jamming phenomenon in the audio playing process can be reduced.

The invention provides a client access method, a device, a terminal and a storage medium. The method comprises the following steps of establishing connection among servers,initiating a handshake request with the server; after the handshake request is successful, a service data request is sent and a heartbeat packet is sent out at regular intervals to maintain a long connection in a multiplexing mode with the server. Based on the client access method provided in the technical scheme of the specification, the client can access the back-end server more quickly, stably and safely, thus improving the connection success rate and the network transmission speed, reducing the traffic consumption, reducing the catton phenomenon, and improving the user experience.

The invention provides a video playing method and device based on an intelligent router. A router account and a video viewing account are correlated to form a correspondence table stored in the intelligent router. The method includes when a push receiving function is triggered as detected, acquiring the video watching account corresponding to the current router account according to the correspondence table; acquiring video pushing information corresponding to the video watching account according to preset pushing rules, and transmitting to a preset video source server; receiving videos transmitted by the preset video source server according to the video pushing information and storing in the preset cache of a built-in disk of the intelligent router, when a user assesses to the network through the intelligent router, logs in through the video watching account and watches the videos transmitted according to the video pushing information, calling and playing the videos of the preset cache directly. The stumble situation during network video source playing can be reduced, and the smoothness of network video source playing can be guaranteed.

The invention discloses an audio and video stream direct broadcast method based on an HLS protocol. The method comprises a download thread and a play thread, wherein the download thread is used for managing a local cache directory, and requesting an m3u8 file and a video slice file for a content distribution end; the play thread is used for analyzing the m3u8 file in the cache directory, calculating slices needed to be played according to an EXMS value and a media serial number that has been played in the m3u8 file, and orderly playing; and the download thread and the play thread are executed asynchronously. The method of the invention guarantees the low delay of live broadcast, and increases the fluency of the live broadcast under the condition that the network environment is bad; besides, a management mechanism of a slice naming rule and the cache directory ensures that the local storage space occupation is less and no junk files are generated.

Embodiments of the invention provide a stream pushing method and device, electronic equipment and a storage medium. According to the method, in a live broadcast process of an anchor, a current networkspeed is obtained; stream pushing parameters of a live video are adjusted according to the current network speed; and the live video is pushed to a user terminal according to the adjusted stream pushing parameters. According to the method, the stream pushing parameters can be adjusted according to the current network speed and is no longer kept unchanged; and the stream pushing parameters are correspondingly changed along with the change of the network speed, so that a server can push streams to the user terminal by adopting the appropriate stream pushing parameters, the phenomenon that the live video is jammed is reduced, the stream pushing effect is optimized, and the user experience is improved.

The invention discloses a video transmission method, an intelligent mobile terminal and a device having a storage function; the method comprises the following steps: allowing the intelligent mobile terminal to determine a reference frame image of a transmitted video image, and sending the reference frame image information to a receive terminal; comparing the present transmitted frame image with the reference frame image, if the difference value of the two does not exceed a preset threshold value, sending the data information of the different portion between the transmitted frame image and the reference frame image to the receive terminal, and sending the position information of the same portion between the transmitted frame image and the reference frame image to the receive terminal; allowing the receive terminal to synthesis the transmitted frame images. The method can reduce superfluous data transmission flow wastes, and can reduce the signal time-delay jamming phenomenon.

The invention provides a real-time ultrasonic elasticity imaging method and system. The imaging method mainly comprises the steps of obtaining B-mode images under different states of deformation of biological tissues caused by slow extrusion of external force; selecting ROI areas of two frame images; obtaining displacement fields by using the optical flow method and transmitting parameter information of sub-steps requiring acceleration operations and containing repetitive operations to a first GPU data caching module in the calculation process; performing the operation treatment of all the sub-steps requiring acceleration operations with a GPU working group; putting the operation result information of all the sub-steps into an optical flow method operation process and finally obtaining the displacement fields, namely, the optical flow fields, of the ROI areas; obtaining the axial strain fields of the ROI areas of the images; performing noise reduction treatment on axial strain field information; performing colorizing treatment on obtained information; performing elastic classification on target areas in the ROI areas. The real-time ultrasonic elasticity imaging method has the advantages of high operation speed, relatively high precision and relatively great robustness.

The invention discloses a video transmission method and system and a base station, and aims to schedule air interface resources and / or adjust the scheduling priority of user equipment according to code rate information of video segments of a video source in order to balance the air interface resources of the user equipment and reduce the phenomenon of lagging. The method in the embodiment of the invention comprises the following steps that: the base station acquires code rate information of video segments of a video source; the base station schedules air interface resources and / or adjusts the scheduling priority of user equipment according to the code rate information; and the base station transmits the video source to the user equipment according to the scheduled air interface resources and / or the adjusted scheduling priority of the user equipment.

The invention discloses a Bluetooth audio transmission adjustment method. The method comprises the steps of obtaining a current Bluetooth audio transmission packet loss rate of a terminal; judging whether the current Bluetooth audio transmission packet loss rate is greater than or equal to a preset packet loss rate threshold value or not; if the current Bluetooth audio transmission packet loss rate is greater than or equal to the preset packet loss rate threshold value, calculating Bluetooth transmitting power corresponding to the current Bluetooth audio transmission packet loss rate according to a preset algorithm; and adjusting the current Bluetooth transmitting power of the terminal according to a calculation result. The invention also discloses a Bluetooth audio transmission adjustment device. According to the method and the device, the technical problem of audio delay resulting from packet loss in the Bluetooth audio data transmission process can be solved.

The invention relates to an image rendering method and device, electronic equipment and a storage medium. The method comprises the steps: obtaining a to-be-processed image; judging whether the currentscaling of the to-be-processed image is less than 100% or not; if the current scaling of the to-be-processed image is not less than 100%, obtaining a to-be-displayed area of the to-be-processed imagein the display window, and rendering the to-be-displayed area; if the current zoom ratio of the to-be-processed image is less than 100%, obtaining a preset zoom ratio corresponding to the current zoom ratio, and obtaining a target image layer consistent with or close to the preset zoom ratio from pre-stored image layers, wherein the pre-stored image layer is an image layer which is obtained by processing the to-be-processed image in advance and contains different preset scaling ratios; rendering the target layer, and taking the rendered target layer as a rendering result of the to-be-displayed area. The method and the device are used for solving the problems of poor image rendering performance and display lag when hardware acceleration is not adopted.

The disclosed embodiment discloses a list interface display method, device, and apparatus and a storage medium. The method comprises the following steps of: displaying a list item in a current screendisplay range; Obtaining a layout parameter of at least one display object in the list item from the list item display data when any of the displayed list items is moved out of the screen display range; Caching the layout parameter corresponding to the identification of the list item. According to the technical proposal of the embodiment of the present disclosure, the loading and displaying speedof the list item can be improved, and the catton phenomenon can be reduced.

The embodiment of the application discloses a memory recovery method and device, a storage medium and electronic equipment, and the method comprises the steps: determining a target thread for executing a related task in a user interaction event, and marking the target thread as a first type of thread; when a memory allocation request sent by the first type of threads is received, allocating memorypages to the first type of threads from the free memory space, wherein the memory pages allocated to the first type of threads serve as first type of memory pages, and the allocated memory pages, except the first type of memory pages, in the allocated memory space serve as second type of memory pages; and when it is detected that the system enters the memory recovery process, performing recoveryprocessing on the second type of memory pages in the allocated memory space. According to the scheme, the memory pages occupied by the threads executing the related tasks in the user interaction eventcan be prevented from being frequently recycled, the running efficiency of the threads is improved, the jamming phenomenon in an interaction scene is reduced, and the user experience is improved.

The invention relates to the technical field of intelligent automobiles, in particular to an operation optimization method and an operation optimization device for a vehicle-mounted system process, computer equipment and a storage medium. The method comprises the steps: monitoring the operation state of a vehicle-mounted system, and recognizing an application scene where the vehicle-mounted systemis located at present; if the application scene is a predetermined scene, determining each system process correspondingly running in the application scene; within the running time of the applicationscene, conducting the CPU frequency increasing operation on a corresponding system process under the application scene, and locking the CPU running frequency. According to the scheme, in the running time of the specific scene in the vehicle-mounted system, the CPU running frequency is correspondingly improved according to the corresponding system process in the specific scene. The CPU running timeis locked, and the CPU BOOST strategy of the specific scene of the vehicle-mounted system is achieved. Therefore, the system response speed and the system fluency of a specific scene of the vehicle-mounted system can be improved. The performance problems of system blockage and the like can be solved.

The invention relates to a video playing method and a video playing device. The method comprises the steps of building a playing window in the case of receiving a video playing request; acquiring a start time of a first-class advertisement video in the case that the video comprises a feature film video and the first-class advertisement video; determining a first time according to the start time of the first-class advertisement video and a first preset value; downloading the first-class advertisement video when a playing time of the feature film video reaches the first time during a process of playing the feature film video via the playing window; and playing the first-class advertisement video via the playing window when the playing time of the feature film video reaches the start time of the first-class advertisement video. According to the video playing method and device provided by the invention, the possibility of occurrence of a blocking phenomenon between the feature film video and the first-class advertisement video can be reduced, and significant switching traces such as a black screen and a splash screen do not exist between the feature film video and the advertisement video, and thus playing smoothness of the video can be improved.

An embodiment of the invention provides a game server cluster system, which comprises a data server for storing a game world map and game state data, wherein the game world map comprises a plurality of virtual map fragments; a real service, which is in communication connection with the data server and is used for storing at least one virtual map fragment and game state data corresponding to the virtual map fragment; and a plurality of virtual services, which are in communication connection with real service and are used for sending a data synchronization request to the real service and judging whether the real service can respond to the data synchronization request within a fixed time interval; and when the real service cannot send a data synchronization response to the virtual services within the fixed time interval, and the virtual services meet switching conditions, the virtual services start a service switching process. The invention also provides a method for improving game space service.

The invention discloses a video recording method, a video playing method, a video recording device, a video playing device and a computer storage medium. The video recording method comprises the stepsof when a video recording request is received, acquiring a target virtual reality VR scene according to the video recording request, wherein the target VR scene comprises smart home equipment; obtaining an operation image sequence of a user for the smart home equipment through a depth-of-field camera, and obtaining field angle information and user posture information; acquiring an operation action image and operation position information based on the target VR scene, the operation image sequence, the field angle information and the user posture information; and associating the operation action image, the operation position information, the field angle information and the user posture information with the target VR scene, and uploading the information to a preset server. According to the invention, the problem that the existing video recorded on the basis of VR equipment is easy to be jammed in the real-time playing process can be solved.

The invention provides a method for reducing stutter in the amplification of a microsatellite comprising the steps of providing a sample comprising a microsatellite having a G+C content of 50% or less; contacting the sample with at least one enzyme having nucleic acid polymerase activity; and incubating the sample with the enzyme for a sufficient amount of time and under conditions sufficient to amplify the microsatellite; wherein the incubation is performed in the presence of an amount of betaine, sorbitol or mixtures thereof, effective to reduce stutter relative to the amount of stutter observed in the absence of betaine and / or sorbitol. The invention also provides compositions containing betaine and / or sorbitol, kits for amplifying microsatellites having a G+C content of 50% or less, and methods of using all of the foregoing.