7results about How to "Play synchronously" patented technology

The invention relates to the technical field of music sharing, and particularly discloses a music sharing method and system based on an intelligent Bluetooth headset and the Bluetooth headset. Comparing the working state signal interference evaluation parameters of each Bluetooth earphone with a working state signal interference evaluation parameter threshold value of the Bluetooth earphone, and if the working state signal interference evaluation parameter of a certain Bluetooth earphone is greater than the working state signal interference evaluation parameter threshold value of the Bluetooth earphone, switching a working channel of the Bluetooth earphone; according to the method, the quality of each channel is evaluated, the to-be-adjusted Bluetooth headset is subjected to channel switching according to each channel switching reference index of the to-be-adjusted Bluetooth headset, and the working channels of the Bluetooth headset are dynamically switched, so that the Bluetooth headset can be helped to maintain stable connection, disconnection or unstable signal conditions are reduced, and the service life of the Bluetooth headset is prolonged. And the data transmission rate can be improved, and congestion is reduced.

The embodiment of the invention provides a video stream anti-jitter method and device, equipment, a storage medium and a product. According to the technical scheme provided by the embodiment of the invention, when the video gear switching of the server is detected, the video transcoding delay is determined according to the video stream data packet received from the server, and the target jitter buffer data length is determined according to the video transcoding delay and the current video jitter buffer data length; when the currently played video stream and the currently played audio stream meet the synchronization condition, the video jitter buffer data length and the audio jitter buffer data length can be adjusted according to the target jitter buffer data length, and when the video gear is switched, the synchronization of audio and video playing can be kept and the anti-jitter capability of video stream playing can be improved. The video playing fluency is improved, the video playing lagging is reduced, and the user experience is improved.

The invention discloses a firework lamp control method, a firework lamp and a control system, and relates to the technical field of lighting lamps, and the firework lamp control method comprises the following steps: obtaining a control signal of a remote control terminal; sending a firework lamp effect operation driving signal to a lamp strip of the firework lamp according to the control signal so as to enable the lamp strip to operate a firework lamp effect; when the operation time of the firework lamp effect reaches a first triggering time point of the lamp strip, a sound effect triggering signal is sent to the remote control terminal, so that when the operation time of the firework lamp effect reaches a second triggering time point of the lamp strip, the remote control terminal controls the loudspeaker device to play the firework sound effect; wherein the first triggering time point is earlier than the second triggering time point. According to the firework lamp, the light effect and the sound effect of the firework lamp can be matched, and the light effect and the sound effect are played synchronously.

The invention discloses a method for synchronously playing multimedia at multiple terminals, which comprises the following steps: a multimedia server receives an operation instruction sent by first terminal equipment, and the first terminal equipment generates the operation instruction and sends the operation instruction to the multimedia server after receiving an operation executed by a user on a multimedia user interface; the multimedia server processes the operation instruction and sends the processed operation instruction to a predetermined playing device; the multimedia server receives an operation execution result returned by the playing device; and the multimedia server detects the currently registered terminal equipment and synchronizes the operation execution result to all the detected registered terminal equipment, so that all the registered terminal equipment realizes the operation execution result consistent with that of the playing equipment. The invention also discloses a computer device and a multimedia server. According to the invention, synchronous playing of the multimedia content in each device can be realized.

The invention discloses a Li lighting master control synchronous playing method and device, and the method comprises the steps: generating a plurality of groups of packaging signals according to NMEA information and a pulse signal; receiving a plurality of groups of packaging signals, and recording a group of timestamps in each group of packaging signals and a plurality of groups of timestamp intervals between adjacent groups of packaging signals; performing time service processing and frame sequence management on the playing timestamp in sequence, and obtaining compensation time according to the starting time of the time service processing and the starting time of the frame sequence management; according to the playing timestamp and the compensation time, generating a frame sequence number of a Li < nux > light main control frame; and according to a multi-frame buffer pipeline strategy and the frame serial number, selecting the Li < ux > light main control frame for synchronous playing. According to the invention, high-precision synchronous playing of the light master controllers of a plurality of non-hard real-time systems is realized, so that the quality and reliability of the overall light effect are improved.

The embodiments of the present application provide a video playback method, device, equipment, readable storage medium and program product, which relate to the fields of media broadcast control, and the application scenarios include but are not limited to the scenario of synchronous video playback of multiple terminals. The method is executed by a terminal, and includes: receiving a first message sent by a server, the first message is used to notify the terminal to play each video in a video set; based on the first message, playing the video frame of each video, and sending the video sequence number of each video and the video frame sequence number of each video frame to the server; receiving the maximum sequence number of the video frame and the minimum sequence number of the video frame sent by the server; based on the video frame sequence number, the maximum sequence number of the video frame and the minimum sequence number of the video frame, adjusting the video playback mode of the terminal to synchronize the video playback between the terminal and other terminals; in this way, multiple terminals do not rely on time synchronization, and achieve frame-level playback synchronization, thereby improving the accuracy of multi-terminal video playback synchronization.

The invention discloses an audio and video synchronization method, device and equipment and a readable storage medium. The audio and video synchronization method comprises the following steps: acquiring an acquired audio; determining audio abrupt change points of the audio playing device and the video playing device in the collected audio; on the basis of moments corresponding to the audio abrupt change points of the audio playing device and the video playing device and a second preset duration, calculating to obtain a delay duration; and if the delay duration exceeds the preset delay range, adjusting the video playing speed of the video playing device according to the delay duration so as to synchronize audios and videos of the audio playing device and the video playing device. According to the invention, the collected audio is the superposed audio of the characteristic audio played by the audio playing device and the video playing device, so that the audio mutation points corresponding to the audio playing device and the video playing device can be easily distinguished, and the delay duration between the audio playing device and the video playing device can be accurately calculated. Therefore, the audio and the video can be played synchronously by adjusting the video playing speed.