31results about How to "Real-time playback" patented technology

The invention provides a wireless sound box, belonging to the field of sound boxes and solving the problem that the playing of the sound box is required to be realized by connection of a cable and a computer. The wireless sound box comprises a main control circuit, a power amplifying assembly, a frequency divider, a sound system, a sound source selection circuit, an AUX (Auxiliary) audio interface, an earphone amplifying circuit and a WIFI (Wireless Fidelity) audio receiving circuit, wherein the sound source selection circuit is used for receiving a signal of the AUX audio interface connected with an earphone and then driving the earphone amplifying circuit to work, or receiving the audio signal of the WIFI audio receiving circuit and then driving the power amplifying assembly to work, and is used for respectively driving a left sound box and a right sound box of the sound system to play audio. The wireless sound box can be used for playing the audio without a cable and has the advantages of simple structure and attractiveness.

The invention provides a real-time message transport protocol RTMP-based screen data video stream playing method, device and system. The system comprises a stream pushing end used for obtaining videostream data of a screen of mobile equipment, converting the obtained video stream data into an RTMP format, and pushing the converted video stream data to an RTMP stream server; the RTMP stream serverwhich is used for receiving the video stream data pushed by the stream pushing end and responding to a playing request of a stream pulling client for the video stream data; the stream pulling clientwhich is used for sending a playing request for the video stream data to the RTMP stream server, and pulling the video stream data from the RTMP stream server for playing after receiving a response ofthe RTMP stream server to the playing request. The system is advantageous in that the system is low in delay and easy to expand, screen data of the mobile device are played in real time at the cloud,and the system is suitable for a scene where mobile testing is conducted through a remote real machine rental platform.

The invention discloses a time-based media playing method and a system thereof; wherein the method comprises: after the time-based media playing request of a player is received, the time-based media data which is transmitted in a streaming way by a server is obtained in a real-time manner; the time-based media data which is obtained in a real-time manner is analyzed, and the analyzed time-based media data is mapped into a local mapping file; the handle of the local mapping file is transmitted to the player, so as to lead the player to read the time-based media data in a file mode and play the time-based media data; in the invention, the downloading and streaming playing advantages are combined, thereby realizing real-time playing of the time-based media without leading the player to support streaming transport protocol.

The invention discloses an array radar simulator. The array radar simulator includes a main board, an interface board and a storage board; the main board is used for obtaining a FLASH erasing instruction, a FLASH writing instruction and a FLASH reading instruction, and receiving and sending array radar echo signals in real time, wherein the array radar echo signals are sent by the interface board; the interface board is used for successively receiving the FLASH erasing instruction, the FLASH writing instruction and the FLASH reading instruction, and obtaining the array radar echo signals in real time, so as to obtain low-electric level FLASH erasing gating signals, low-electric level FLASH writing gating signals and low-electric level FLASH reading gating signals, and then converting the array radar echo signals into N channels of cache array radar echo signals; the storage board is used for receiving and storing the N channels of cache array radar echo signals, the low-electric level FLASH erasing gating signals, the low-electric level FLASH writing gating signals and the low-electric level FLASH reading gating signals in real time, sequentially carrying out FLASH erasing, FLASH writing and FLASH reading operation, sequentially obtaining a FLASH erasing completion instruction, a FLASH writing completion instruction, a FLASH reading completion instruction and N channels of cache FLASH array radar echo signals, and storing the FLASH erasing completion instruction, the FLASH writing completion instruction, the FLASH reading completion instruction and the N channels of cache FLASH array radar echo signals in real time.

The invention relates to the field of communication engineering, in particular to a cable take-up and pay-off device capable of compressing a cable for communication engineering. The cable take-up andpay-off device comprises a base, a mounting frame is arranged at the upper end of a vertical plate, first electric telescopic mechanisms are bilaterally symmetrically arranged on the mounting frame,and compressing mechanisms are arranged at the lower ends of the first electric telescopic mechanisms; and each compressing mechanism comprises a connecting plate connected with the lower end of the corresponding first electric telescopic mechanism, a pressure sensor is arranged on the lower side of each connecting plate, a supporting plate is arranged at the lower end of each pressure sensor, telescopic rods are arranged on the lower side of the supporting plate in a bilateral symmetry mode, springs are arranged on the outer sides of the telescopic rods, pressing seats are arranged at the lower ends of the telescopic rods, a cavity is formed in the lower side of each pressing seat, and a pressing roller is connected into each cavity through a rotating shaft. By means of the structural arrangement of the device, the cable can be compressed in real time when the cable is wound and unwound, the cable is prevented from being wound loosely, and the cable winding and unwinding quality and winding and unwinding efficiency are guaranteed.

The invention provides a seamless continuous playing method of traveling television audios on a cellphone. After being away from a television, the cellphone judges wifi (wireless fidelity) access points and switches correspondingly through a local area network of a plurality of routers according to strength of router signals in the local area network so as to guarantee instantaneity of reception and playing of the audios. During switching process of the wifi access points, a television stores audio data temporarily, and after a cellphone terminal sends sharing requests again, seamless continuous playing is performed according to breakpoints. Even if a user needs to be away from the television, he or she can also bring away the television audios, real-time playing of the television audios is achieved. In the same local area network (namely, when the television is connected to a main router and the cellphone is connected to the main router again through a subordinate router.), the real-time audios of the television are brought to a farther place and are played seamlessly and continuously through router transferring under a condition of allowing the audios to stop transiently.

The invention provides a streaming media broadcast system, a streaming media broadcast method and an LED display screen system. The streaming media broadcast system comprises a streaming media processing module; the streaming media processing module comprises a code source control submodule, an inner core submodule, and a video processing submodule; the code source control submodule comprises a receiving processing unit and a first data-caching mechanism; the inner core submodule comprises an audio/video separating unit, a video decoding unit and a second data-caching mechanism; the video processing submodule comprises a video processing unit and a third data-caching mechanism. According to the invention, streaming media broadcast on an asynchronous control system for an LED display screen is realized; as a three-level data-caching mechanism technology is adopted in the design of the media player, the fluency of real-time media video broadcast is improved; conditions of blocking and nonfluency are reduced.

The invention relates to novel material stirring devices, and particularly relates to a novel material stirring device which comprises a base, wherein the top of the base is fixedly connected with a stirring tank; a discharging pipe is fixedly connected with a side part of the stirring tank; a discharging valve is connected with the side part of the discharging pipe by threads; a stirring tank cover is arranged at one end of the stirring tank remote from the base; a stirring motor housing and a feeding pipe are arranged on one side of the stirring tank cover remote from the stirring tank; a baffle plate is fixedly connected to the interior of the stirring tank; a bearing is fixed at a central position of the baffle plate; a stirring shaft is sleeved inside the bearing; a stirring buckle isarranged at one end of the stirring shaft; stirring blades are fixedly connected to the side part of one end of the stirring shaft remote from the stirring buckle; a motor is arranged inside the motor housing; and a spindle is arranged in the motor. The novel material stirring device provided by the invention can dissipate heat well through a heat dissipating port, and also can prolong service life of the motor and provide working efficiency of the motor.

The invention relates to the technical field of video monitoring, and particularly discloses a monitoring image preview system. The system comprises a local management module and a plurality of video acquisition modules; the system further comprises a video output module, a cloud management module and a plurality of user sides. The video output module is used for acquiring image data from the video acquisition module, converting the image data according to a preset coding format to form a video stream and sending the video stream to the cloud management module; the user sides are used for accessing the cloud management module and acquiring a video stream from the cloud management module for real-time preview; the cloud management module is also used for storing a video stream with a preset duration; the cloud management module is also used for pushing the stored video stream to the user sides when receiving a playback request of the user side; and the cloud management module is also used for acquiring the stored image data from the local management module, and pushing the image data stored by the local management module when the stored video stream is pushed. By adopting the technical scheme of the invention, smooth playback can be carried out.

The invention discloses a voice interaction method, and the method comprises the following steps: receiving voice information, and transmitting the voice information and the recognition information offirst vehicle-mounted screen-free equipment to a server, sending the voice information to second vehicle-mounted non-screen equipment associated with the identification information of the first vehicle-mounted non-screen equipment by the server, and playing the voice in real time; and receiving voice information sent by the second vehicle-mounted screen-free equipment and sent by the server, andperforming voice real-time playing. The invention further discloses vehicle-mounted screen-free equipment, a server and a storage medium. The objective of the invention is to realize safe real-time communication of a user in a vehicle-mounted scene.

The invention discloses a method and system for switching a live broadcast picture into a dynamic video poster and a storage medium, and the method comprises the steps of obtaining the dynamic video poster corresponding to a current live broadcast picture, wherein the dynamic video poster corresponds to the current live broadcast picture to be generated according to a video stream and a poster template within a preset time of a previous live broadcast picture; acquiring a switching signal; and switching the current live broadcast picture to a corresponding dynamic video poster for playing according to the switching signal. According to the invention, the current live broadcast picture is switched into the corresponding dynamic video poster for playing according to the switching signal; thefunction of playing the dynamic video poster corresponding to the live broadcast picture in real time in the live broadcast picture playing process is achieved, the dynamic video poster can be playedin a dynamic video mode, and the timeliness and the operation experience are higher. The method can be widely applied to the field of communication.

The invention provides a personnel positioning system, which comprises: a data acquisition module used for acquiring positioning data of personnel in a case handling center; a data storage module which is used for storing the positioning data; an early warning module which is used for judging the position of the personnel of the case handling center according to the positioning data and/or judgingwhether the staying time of the personnel of the case handling center at the position meets a preset early warning condition or not, and if yes, an alarm prompt is sent to related workers; and a query module which is used for querying historical positioning data of the personnel in the case handling center according to the identity information. According to the system, the behavior that some public security organs randomly stay or stay the suspect for a long time in the case handling center is effectively avoided, so that the legitimate rights and interests of the suspect are powerfully guaranteed.