37results about How to "Avoid playback lag" patented technology

The invention proposes a sound quality adjustment method and system, a main unit end and a storage medium. The method comprises the steps: obtaining a code rate range of wireless audio equipment when the main unit end and the wireless audio equipment build wireless communication connection; presetting a first code rate of the main unit end according to the code rate range and the current signal intensity of the wireless communication connection; controlling the main unit end so transmit audio data to the wireless audio equipment at the first code rate; judging whether to carry out the matching with the current wireless transmission quality or not through obtaining the transmission throughput capacity of audio data fed back by the wireless audio equipment, respectively judging results and adjusting the first code rate, thereby adjusting the sound quality when the audio data is played at the wireless audio equipment, avoiding play jamming caused by poorer wireless transmission quality, and improving the audio play fluency of the wireless audio equipment.

The invention relates to a video definition recommending method and device. The method comprise the following steps: definition setting of all videos is configured according to statistical information, coming from a content distribution network CDN server, relevant to a working state of a CDN server; a play request from a client end is received, and the play request comprises information relevant to the client end; the play request is responded to, and video definition setting matching with the information is found out; according to the matching video definition setting, a notification about recommended video definition is issued to the client end. The device comprises a configuration part, a receiving part, a searching part and a video definition issuing part. Via use of the video definition recommending method and device disclosed in an embodiment of the invention, video definition can be automatically recommended to a user, a phenomenon that a video cannot be played smoothly because inappropriate video definition is chosen when the user cannot know the working state of the CDN server can be prevented, and video watching experience of the user is improved.

The embodiment of the invention discloses a video transmission method and device, a resource server and a storage medium. The method comprises the following steps: 1, , if the network bandwidth of thecurrent session party is smaller than the initial transmission total code rate of the to-be-transmitted video, determining a frame extraction ratio under different video frame types when the residualtransmission total code rate after frame extraction under the corresponding video frame type of the to-be-transmitted video is most matched with the network bandwidth according to the frame extraction sequence of different video frame types in the to-be-transmitted video; and transmitting the to-be-transmitted video to the current session party according to the frame extraction proportions underdifferent video frame types. The embodiment of the invention provides a technical scheme. Enabling the residual actual transmission total code rate of the to-be-transmitted video after frame extraction to be most matched with the network bandwidth of the current session party; according to the method and the device, the situation of playing lag caused by decoding failure due to key frame packet loss caused by insufficient bandwidth is avoided, and the transmission code rate of the to-be-transmitted video can be reduced without reducing the resolution of a video picture in a frame extraction mode, so that the definition of video playing is ensured to be unchanged.

The invention discloses a transmission control method and system for screen projection and a readable memory medium. The transmission control method for the screen projection is applied to a transmission control system for the screen projection. The transmission control system for the screen projection comprises a server side and a client side which are in communication connection. The transmission control method for the screen projection comprises the following steps that when the server side starts a screen projection mode, the server side obtains data information of the screen projection; the server side codes the data information and caches the data information to a sending queue of the server side, so the data information in the sending queue is sent to the client side; and when the server side receives length warning information sent by the client side, the server side adjusts a transmission rate of the data information according to the length warning information. The invention also correspondingly provides the transmission control system for the screen projection and a readable memory medium. According to the method, the system and the readable memory medium, through establishment of cache queues at the server side and the client side for the screen projection, the frame loss and omission condition of the data information can be effectively avoided, and the fluency of the screen projection is ensured.

The invention provides a timeline control method for personalized presentation of multimedia contents. The method comprises the following step: during the presentation of multimedia resources, controlling the presentation time of associated contents by using the duration information of a media data unit and the initial time of presentation to ensure that different media resources or different associated versions of the same media resource have corresponding presentation timelines. According to the timeline control method provided by the invention, the personalized needs of users can be met, and the smooth viewing experience of the users can also be ensured on the basis of saving the storage space by using the relevance of the same program.

The invention discloses a streaming media transmission method, device and system, a server and a terminal. The server sends attribute information of each content fragment of a video content to the terminal; the server receives a video content request message sent by the terminal, the video content request message comprising at least the following information of each content fragment to be requested: fragment identification information, priority information, and push completion time information; the server reads the corresponding content fragments according to the fragment identification information, and sends the read content fragments to the terminal according to the priority information; and in the process of sending the content fragments, when a target content fragment cannot be sent tothe terminal according to the push completion time information, the server cancels sending of the target content fragment.

The present invention discloses a data processing method, a system thereof and a mobile terminal. The method comprises a step of detecting whether the signal of a mobile data network is stable in the process that a mobile terminal plays multimedia data through a 3G or 4G network, wherein the multimedia data comprises video data, audio data and subtitle data, and a step of disconnecting the multimedia connection with a server when the signal of the mobile data network is unstable and requesting the audio data or subtitle data from the server. The invention also discloses the mobile terminal for realizing the method and a system thereof. Through the technical scheme of the invention, when the mobile terminal can not play the multimedia data normally, the audio or subtitle of a program followed by a user at present still can be played, thus the user can timely understand the current concerned program information, and thus the experience degree of the user is effectively improved.

The embodiment of the invention provides an audio playing method, a medium, a device and computing equipment. The method includes the steps of recognizing a music pattern from a first audio which is played now and projected by an external device; matching to a target audio based on the music pattern, and using the target audio as a second audio; acquiring a playing state of the first audio; determining whether the playing state meets a preset condition; if not, playing the second audio based on the current progress of playing the first audio. When the playing state of the first audio does notmeet the preset condition, the second audio matched with the first audio is switched on the basis of the current progress of playing the first audio, thereby avoiding audio play jam caused by data transmission rate changes or data transmission stability reduction, and the method is helpful to improve the smoothness of audio playing and enhance the user experience.

The invention provides a video stream playing method and video stream playing equipment, and relates to the field of video playing. According to the invention, an independent decoding plug-in unit isinstalled for a browser unit, so that the browser unit can obtain the video stream from the video stream service equipment through the decoding plug-in unit based on the data transmission channel between the browser unit and the decoding plug-in unit, and when the decoding plug-in unit receives the video stream, the video stream is independently decoded to obtain the corresponding YUV color data,and then the YUV color data is transmitted to the browser unit based on the data transmission channel to be rendered and displayed, so that the video stream decoding function is realized through process resources independent of the browser, the process resources of the browser do not need to be shared with the video stream display function. It is ensured that the video stream decoding function andthe video stream display function can obtain enough process resources in the implementation process, so that the video stream decoding performance is improved, and the phenomenon of video playing lagis avoided.

The invention relates to a video transmission system, which comprises a video receiving end and at least two video sending ends, and is characterized in that the video receiving end is in network connection with the video sending ends; the video receiving end determines the drawing frame rate according to the shielded proportion of each video signal window, and sends the drawing frame rate information of each video signal window to the video sending end corresponding to the video of each video signal window; the video sending ends control an image coding rate and an image frame sending rate according to a drawing frame rate in the drawing frame rate information, and send an image frame to the video receiving end; and the video receiving end receives the image and draws the image frame intoa corresponding video signal window according to the drawing frame rate. According to the invention, the signal processing and transmission pressure on the sending ends, the receiving end and the network link can be reduced.

The invention discloses a method for playing a webpage audio file. The method comprises the following steps of: a browser receives an audio tag triggering instruction, and obtains an audio tag which is triggered at present time in a current page; when combined audio corresponding to the audio tag which is triggered at present time is loaded, the corresponding time period of the audio tag which is triggered at present time in the combined audio is searched; and the audio data of the corresponding time period in the combined audio is played. The invention also discloses a browser and a server for playing the webpage audio file. By use of the browser, the audio data of the corresponding time period is directly searched and played in the combined audio of the loaded current page, and the combined audio is formed in advance in a way that the server arranges the audio data of a plurality of original audio files of the current page in sequence, and then, the audio data is edited and combined again according to a time sequence. Therefore, the browser does not need to send a loading request to the server, time for waiting for loading is effectively shortened, and audio playing delay is avoided.

The invention discloses a program source conversion method and a terminal television set, and aims to solve the problems such as television program play delay and picture stop caused by the influence of factors such as instable signal receiving of a broadcast television network set-top box or instable network of internet existing in the prior art. The method is applied to the terminal television set; the terminal television set is connected with a cloud server through the internet; the terminal television set is connected into a broadcast television network through a set-top box. The method comprises the following steps: judging whether a currently played program of the terminal television set is correct to acquire a judgment result; converting a program source of the currently played program when the judgment result is yes, wherein the program source is the cloud server or the broadcast television network.

The invention relates to display equipment, a video data transmission method and a storage medium, and relates to the technical field of display. The display apparatus includes a controller configured to: acquire first video data; under the condition that the buffer data in the video buffer queue reaches the first preset buffer capacity of the video buffer queue and the buffer data in the target buffer queue does not reach the second preset buffer capacity of the target buffer queue, setting the first preset buffer capacity of the video buffer queue as a third preset buffer capacity, setting the second preset buffer capacity of the target buffer queue as a fourth preset buffer capacity; storing the first video data into a first buffer queue; the third preset buffering capacity is increased by a preset amount compared with the first preset buffering capacity, the fourth preset threshold is reduced by the preset amount compared with the second preset threshold, and the target buffering queue is any queue in other buffering queues. The embodiment of the invention is used for solving the problem of playing lagging.

The invention discloses a multimedia playing method and device, a storage medium and electronic equipment, and relates to the technical field of the Internet. The method comprises the following steps: sending a target connection request to a server, the target connection request being used for instructing the server to establish a target transmission control protocol link allowing to circularly request a media resource segment; circularly sending an acquisition request of a media resource fragment to the server through the target transmission control protocol link; on the basis of a media resource fragment requested by the acquisition request, constructing media analysis data meeting a preset analysis condition in a local buffer area; acquiring the media analysis data from the local buffer area, and performing multimedia playing on the media analysis data; and when the multimedia is played to a predetermined state, closing the target transmission control protocol link. According to the invention, the multimedia playing effect is effectively improved.