Abstract: The present disclosure relates to a composite lithium battery separator and a preparation process therefor. The composite lithium battery separator includes a base film or a ceramic film, and a coating layer covering one side or both sides of the base film or the ceramic film. The coating layer is formed by coating a slurry. The slurry includes 5%-45% by weight of a coating polymer and 55%-95% by weight of an organic solvent, and the coating polymer includes 10-100 parts by weight of a fluorine or acrylic resin polymer, 0.5-10 parts of a polymer adhesive, and 0-90 parts of inorganic nanoparticles.

Abstract: This application discloses an audio signal processing method performed by an electronic device. According to this application, embedding processing is performed on a mixed audio signal by mapping the mixed audio signal to an embedding space, to obtain an embedding feature of the mixed audio signal in the embedding space; and generalized feature extraction is performed on the embedding feature, so that a generalized feature of a target component in the mixed audio signal can be obtained through extraction. The generalized feature of the target component has good generalization capability and expression capability, and can be used for different scenarios. Audio signal processing is performed on the mixed audio signal based on the generalized feature of the target component to obtain information of the audio signal of the target object, thereby improving the robustness and generalization of an audio signal processing process, and improving the accuracy of audio signal processing.

Abstract: The present disclosure discloses a 4G audio and video capture equipment based on UVC data transmission, including an integrated circuit board, a data input and output interface, a UVC and UART communication system, an audio and video data capture module, and a 4G communication module, the data input and output interface is connected with the integrated circuit board, the audio and video data capture module and the 4G communication module are both mounted on the integrated circuit board, the audio and video capture module is bidirectionally connected with the 4G communication module through the UVC and UART communication system.

Abstract: A radiotherapy head can include an electron accelerator, a deflection control assembly, a collimator, and a target material. The deflection control assembly is provided between the electron accelerator and the collimator, the collimator is provided with a plurality of collimating holes, and the target material is provided at an entrance of the each of the plurality of collimating holes; the deflection control assembly is configured to adjust a deflection angle of electron beams emitted by the electron accelerator, and emit angle-deflected electron beams to the target material; the target material is configured to convert the electron beams emitted to the target material into X-rays; and the collimator is configured to project the X-rays to a target via the plurality of collimating holes.

Abstract: A light-emitting substrate and a display device are provided. The light-emitting substrate includes a plurality of partitions, and the partitions include a first light-emitting unit and a first dummy unit. The first light-emitting unit includes at least one light-emitting element. The first dummy unit is connected in parallel with the first light-emitting unit. The first dummy unit includes a dummy light-emitting element, and an operating voltage of the first dummy unit is greater than an operating voltage of the first light-emitting unit.

Abstract: A method and apparatus for detecting a valid voice signal and a non-transitory computer readable storage medium are provided. A first audio signal including at least one audio frame signal is obtained. Multiple wavelet decomposition signals respectively corresponding to the at least one audio frame signal are obtained. A wavelet signal sequence is obtained by combining the multiple wavelet decomposition signals. A maximum value and a minimum value among audio intensity values of all sample points are obtained, and a first audio intensity threshold is determined according to the maximum value and the minimum value. Sample points each having an audio intensity value greater than the first audio intensity threshold in the wavelet signal sequence are obtained, and a signal of sample points in the first audio signal corresponding to the sample points each having an audio intensity value greater than the first audio intensity threshold is determined as the valid voice signal.

Abstract: The present disclosure provides a precursor solution of an indium gallium zinc oxide film and a method of preparing an indium gallium zinc oxide thin film transistor. The precursor solution is provided with an indium salt, a gallium salt, a zinc salt, a stabilizing agent, and a solvent. The stabilizing agent is ethanolamine. Use of ethanolamine helps to promote an oxidation process of the precursor solution, and reduce an oxygen vacancy concentration in the indium gallium zinc oxide film, so as to improve negative bias of a threshold voltage of a channel layer made of the indium gallium zinc oxide film in a thin film transistor.

Abstract: An animation data encoding method includes obtaining animation data corresponding to an animation tag code from an animation project file. In response to a determination that attribute types exist in an attribute structure table corresponding to the animation tag code, the method further includes determining attribute flag information corresponding to each attribute in the attribute structure table. The method also includes encoding, by processing circuitry of a computer device, an attribute value corresponding to each attribute in the animation data according to the attribute flag information, to obtain attribute content corresponding to each attribute. The method further includes, for each attribute, sequentially storing the corresponding attribute flag information and the corresponding attribute content according to an attribute order of the attribute structure table, to obtain a dynamic attribute data block corresponding to the animation tag code.

Abstract: The present application discloses an LED lamp and a local IR dimming assembly integrated with the LED lamp. The LED lamp comprises a hollow lamp housing, an LED light source module and a driver module. The local IR dimming assembly comprises an IR emitter for emitting infrared signals, with a physical control mechanism for controlling the transmission of infrared signals; an IR receiver configured to be electrically connected with the driver module, and to receive and transmit an infrared signal from the IR emitter to the driver module; wherein the IR emitter and the IR receiver are both arranged in the LED lamp in the form of infrared communication; through the local manipulation of the physical control mechanism of the IR emitter, at least the optical output power of the LED lamp is locally adjusted and controlled.

Abstract: A data processing method includes: in response to a service enabling operation in a video application, enabling a video recording service in the video application; collecting, using the video recording service, user voice data; determining and identifying a target text that matches prompting text data associated with the video recording service; and acquiring target video data corresponding to the video recording service until a text position of the target text in the prompting text data is at an end of the prompting text data. Embodiments of this application improve the effectiveness of teleprompting functions during a video recording, and the quality of a recorded video may further be improved.