34results about How to "Reduce playback delay" patented technology

The invention discloses a method and a system for shortening time delay in a peer-to-peer network streaming media live broadcast system. The system is provided with a media source node and a cache routing server, wherein the media source node is used for the media resource management of the whole system; the cache routing server is used for media resource management, routing calculation and peer client end management in a local domain; the cache routing server is used for selecting a proper peer client end from other managed peer client ends and establishing streaming media data interaction with a request peer client end; when needed media streaming data does not exist in the peer client end managed by the cache routing server, the cache routing server is used for requesting needed streaming media data information from other cache routing servers and transmitting the needed streaming media data information to the request peer client end; and when the cache routing server is failed forobtaining the needed streaming media data from other cache routing servers, the cache routing server is used for obtaining the needed data from the media source node and transmitting the needed data to the request peer client end.

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.

The invention discloses a media play method, media play equipment and a music teaching system. The media play equipment comprises a receiving unit, an audio decoding unit and an audio play unit. The receiving unit is suitable for receiving audio data from a network. The audio decoding unit is suitable for decoding the received audio data to acquire one or more audio frames. The audio play unit is suitable for performing silence detection on each acquired audio frame to judge whether the audio frame is silence data or not. If the detected audio frame is silence data, the audio play unit abandons the audio frame. If the detected audio frame is non-silence data, the audio play unit stores the audio frame in a play buffer area, so as to play the audio frame in the play buffer area.

The invention discloses a live streaming video playing method and device, and relates to the technical field of voice recognition, the technical field of video processing and the field of image processing. The specific implementation scheme is as follows: acquiring live streaming data, wherein live streaming comprises audio information and video stream information; identifying text information corresponding to the audio information, and generating subtitle information according to the text information; determining a start time point and an end time point corresponding to the subtitle information, and determining video frames corresponding to the start time point and the end time point in the video stream information; and storing the corresponding relationship between the subtitle information and the corresponding video frame in a preset database so as to play the live video according to the corresponding relationship. Therefore, on the basis of matching the subtitle information for thelive video stream, since the subtitle information and the video stream do not need to be mixed to generate new video data, the playing delay of the live video stream is reduced.

The invention relates to a video transmission rate adaptation method applied to wireless networks. The video transmission rate adaptation method includes preliminarily arranging an output cache area at an output end of a buffer area; storing data packets outputted from the buffer area in the output cache area and acquiring the total amount of the stored data packets in current unit time thresholds; adjusting the speeds for reading data of the buffer area if the total amount of the data packets stored within the current unit time thresholds is unequal to the total amount of data packets storedwithin a previous unit time threshold and fluctuates within the range of 10% of the total amount of the data packets stored within the previous unit time threshold; adjusting the strength of encodersfor processing I frames of images in a next time frame if the total amount of the data packets stored within the current unit time thresholds does not fluctuate within the range of 10% of the total amount of the data packets stored within the previous unit time threshold but fluctuates within the range of 35% of the total amount of the data packets stored in the previous unit time threshold. Unittime thresholds for storing the corresponding data packets are preset in the output cache area.

The invention provides a streaming media data transmission method, device and system, electronic equipment and a storage medium, and relates to the technical field of computers. The streaming media data transmission method comprises the following steps: repackaging original media data into streaming media data; in response to the detection that the playing mode of the streaming media data is an on-demand mode, segmenting the streaming media data into first slice data blocks, and determining a first index file corresponding to the first slice data blocks; in response to the detection that the playing mode of the streaming media data is a live broadcast mode, segmenting the streaming media data into second slice data blocks, and determining a second index file corresponding to the second slice data blocks; pushing the first index file or the second index file to a client, and downloading the first slice data block or the second slice data block by the client through the first index file or the second index file so as to realize the playing of the original media data. According to the technical scheme provided by the embodiment of the invention, the playing efficiency of on-demand playing or live broadcasting of the original media data can be improved.

The application provides a stream push method, equipment and device, and a storage medium. The method comprises the following steps: collecting streaming media data, and coding and caching the collected streaming media data to a cache region; and obtaining the streaming media data from the cache region and sending the streamlining media data to a server. The stream push method, equipment and device, and the storage medium in the invention aim to solve the problem of initialization failure or jamming of a coding link after stream push is restarted after being interrupted in the existing streampush technology.

The embodiment of the invention provides a webpage video playing method and device, electronic equipment and a storage medium. The webpage video playing method is applied to a cloud server and comprises the following steps: acquiring video parameters of a video in a webpage; and sending the video parameters to a cloud terminal, the video parameters being used for the cloud terminal to decode and play the video.

The embodiment of the invention discloses a video live broadcasting method and a device thereof. A queue aiming at received PES (Packetized Elementary Streams) packets is preset. The method comprises the following steps: determining whether the total time of the received live broadcast video PES packets is not greater than a preset optimal broadcasting time duration; decoding and broadcasting the live broadcast video PES packets if the total time of the received live broadcast video PES packets is not greater than the preset optimal broadcasting time duration; successively adding the live broadcast video PES packets in the queue if the total time of the received live broadcast video PES packets is greater than the preset optimal broadcasting time duration; determining the number of PES packets to be modified according to the total time of the live broadcast video PES packets in the queue, the preset optimal broadcasting time and the broadcasting time occupied by single live broadcast video PES packet when the condition is met; modifying DTS (Decode Time Stamp) of the PES packets to be modified to be same and modifying PTS (Presentation Time Stamp) of the PES packets to be modified to be same; decoding the PES packets in the queue according to the DTS, and returning to the determining step and continuing to perform after finishing decoding the PES packets; and then broadcasting the decoded PES packets according to the PTS. Through the adoption of the video live broadcasting method and the device thereof, the broadcast delay time of the live broadcast video is reduced.

The present invention discloses a method and device of realizing synchronous playing. The method comprises the steps of separately determining the first differences between the system time and the own system time of mobile terminals; separately determining the complexities and the playing time delays of the playing files that can be processed by the mobile terminals; determining the complexities of the to-be-played files according to the complexities of the playing files that can be processed by the mobile terminals; sending the to-be-played file data to the mobile terminals capable of processing the determined complexities according to the first differences and the playing time delays of the mobile terminals capable of processing the determined complexities to realize the synchronous playing. According to the method of the present invention, by comparing the first differences between the system times of the mobile terminals and the playing time delays of the mobile terminals, the synchronous playing is realized, and the playing time delays of the mobile terminals are reduced.

The invention provides a network video live broadcast processing system and method. The network video live broadcast processing system includes a first soft core processor, a second soft core processor and a memory, wherein the first soft core processor is connected with a peripheral camera for controlling the peripheral camera to acquire video data and receive the video data; the first soft core processor is connected with the memory for sending the video data to the memory; the second soft core processor is connected with the memory for calling the video data from the memory and sending the video data to a peripheral terminal; and the memory is used for synchronously storing and calling the video data. The network video live broadcast processing system and method can realize acquisition, sharing synchronization and transmission of video data to enable transmission to become more flexible and quick, and can reduce time-delay of video playing, through division processing of the soft core processors.

The invention discloses an audio playback method based on an Android system and electronic equipment. The audio playback method comprises the following steps: setting an audio playback mode control module; determining and transmitting an audio information transmission path; determining and outputting an audio information output path; and when the control state of the audio playback mode is 1, allowing an audio output driving module to respectively receive first audio information of an audio input driving module and second audio information of an audio output intermediate module, taking third audio information formed by operation of the first audio information and the second audio information as input information, and outputting the input information. By arranging the audio playback mode control module, the audio information playback transmission path is shortened, audio playback delay is shortened, and user experience is improved.

The invention discloses an audio processing method and device, electronic equipment, a computer readable medium and a product, and relates to the technical field of audios, the method is applied to a sending terminal of an audio coding system, the audio coding system further comprises a receiving terminal, the sending terminal is connected with the receiving terminal, and the method comprises the following steps: obtaining audio data to be transmitted; determining the audio type of the audio data to be transmitted; if the audio type of the to-be-transmitted audio data is a specified type, reducing the data volume of the to-be-transmitted audio data to obtain target audio data; and sending the target audio data to the receiving terminal.