4 results about "System time" patented technology

The application provides an audio and video synchronization method applied to a first terminal. The first terminal can receive an audio data packet ad a video data packet that are sent by a second terminal; and the audio data packet includes an audio time stamp and the video data packet includes a video time stamp. Because the audio time stamp and the video time stamp are generated by the second terminal based on same system time, the audio time stamp and the video time stamp have an association relation. When video data are played, the time corresponding to the video time stamp is compared with time corresponding to the audio time stamp; if the time corresponding to the video time stamp is earlier than the time corresponding to the audio time stamp, the video data packet is abandoned; and if the time corresponding to the video time stamp is later than the time corresponding to the audio time stamp, the video data are played in a delayed mode, thereby realizing audio and video synchronization. Besides, the time stamps are field data in data packets. According to the provided synchronization method, no extra bandwidth occupation is added, so that the bandwidth resources are saved.

A network device is provided, which includes a communication unit and a processing unit. The communication unit is configured to perform a time setting process with a master clock device. The processing unit is coupled to the communication unit and is configured to control the communication unit to perform a time synchronization process for obtaining a time offset of the network device relative to the master clock device. The processing unit is further configured to calculate a processing time elapsed during the time synchronization process and obtain a correction time by calculating the system time of the network device, the time offset and the processing time.

The invention discloses a distributed file deletion method, which comprises the following steps: setting a mark to be deleted for each preset directory of a file system, wherein the mark to be deletedcomprises a time to be deleted; setting the preset directory whose deletion time is shorter than the current system time as the directory to be deleted every preset cycle; performing a delete operation on the data of the directory to be deleted. As that mark to be deleted are added to each preset directory, As that current system time is long than the time to be deleted, and the data under the preset directory is deleted, it can be seen that the deletion method is simple and does not require the user to pay attention to the operation, avoids the operation of manual deletion or relying on theupper application deletion when the stored data is over-aged, thereby realizing the automatic deletion of the over-aged preset directory, reducing the operation cost, and improving the customer experience. The present application also provides a distributed file deletion apparatus and system and a computer-readable storage medium, which have the above-mentioned beneficial effects.

The embodiment of the invention discloses a time obtaining method and device and electronic equipment, and the method comprises the steps: obtaining a system time point of a network server when a client program is detected to be started, and obtaining the first operation time of a local system of the electronic equipment; when it is detected that the client program needs to obtain the current timepoint, obtaining second running time of the local system; and determining the current time point according to the system time point, the first operation time and the second operation time. By adopting the embodiment of the invention, the time acquisition efficiency and accuracy can be improved.