Abstract: The present disclosure provides an audio compression device, an audio compressing system and an audio compression method. The audio compression device comprises a first transceiver and a first processor. The first transceiver is connected to the first processor. The processor obtains an audio signal and an available bandwidth, and the processor performs an audio compression encoding on the audio signal to obtain a sample audio signal, and then compares with the audio signal and the sample audio signal to generate a residual signal, and the residual signal is transmitted according to the available bandwidth. The audio signal can be completely transmitted to an audio decompression device to reduce the distortion of the audio signal.

Abstract: The invention discloses a bulk acoustic wave resonator and a manufacturing method thereof, the bulk acoustic wave resonator comprising: an air gap arranged at the external of the effective piezoelectric region, the air gap being formed between the upper electrode and the piezoelectric layer and/or between the piezoelectric layer and the substrate, and covering the end part, proximal to the air gap, of the lower electrode or connecting to the end part of the lower electrode, wherein the air gap is provided with a first end proximal to the effective piezoelectric region, and at least a portion of the upper surface, starting from the first end, of the air gap is an arch-shaped upper surface. The bulk acoustic wave resonator of the present invention capable of increasing a quality factor (Q) and an effective electromechanical coupling coefficient (K2t,eff) and improving the electrostatic discharge (ESD) immunity.

Abstract: The present disclosure provides a direct current (DC) transformer error detection apparatus for a pulsating harmonic signal, including a DC and pulsating harmonic current output module and an external detected input module, where the DC and pulsating harmonic current output module outputs a DC and a DC superimposed pulsating harmonic current to an internal sampling circuit and a self-calibrated standard resistor array; and the internal sampling circuit converts the input DC and the input DC superimposed pulsating harmonic current into a voltage signal, and sends the voltage signal to an analog-to-digital (AD) sampling and measurement component through a front-end conditioning circuit and a detected input channel. The DC transformer error detection apparatus can complete self-calibration for measurement of the DC and the pulsating harmonic signal on a test site.

Abstract: Provided are improved end-to-end self-supervised pre-training frameworks that leverage a combination of contrastive and masked modeling loss terms. In particular, the present disclosure provides framework that combines contrastive learning and masked modeling, where the former trains the model to discretize input data (e.g., continuous signals such as continuous speech signals) into a finite set of discriminative tokens, and the latter trains the model to learn contextualized representations via solving a masked prediction task consuming the discretized tokens. In contrast to certain existing masked modeling-based pre-training frameworks which rely on an iterative re-clustering and re-training process or other existing frameworks which concatenate two separately trained modules, the proposed framework can enable a model to be optimized in an end-to-end fashion by solving the two self-supervised tasks (the contrastive task and masked modeling) simultaneously.

Abstract: An operation method of a network device and a control chip of the network device are provided. The network device receives an input signal through a fiber medium. The operation method includes the following steps: setting a target speed of the network device to a first speed; transmitting and/or receiving a data at the first speed; and setting the target speed of the network device to a second speed which is different from the first speed when the amplitude or energy of the input signal is not greater than a threshold.

Abstract: Provided are a composite material and a preparation method thereof, a negative electrode material, and a lithium ion battery. The negative electrode material includes at least one composite material, and the lithium ion battery includes at least one composite material. The composite material has a core-shell structure composed of an inner core and a hydrophobic coating layer, with the inner core including at least one lithium-containing silicon oxide, and the hydrophobic coating layer being used to cover the inner-core material.

Abstract: A folding wagon with a folding table is provided and includes a first main frame and a second main frame. Positions at front and rear ends of the bottom of the first main frame are respectively fixedly connected to front brackets, tops of the two front brackets are provided with a connecting rod, and each of the bottoms of the two front brackets is rotatably connected to a front caster. A brake assembly passes through and is arranged at a position between the bottoms of the two front brackets, and positions adjacent to the bottom of the first main frame are respectively rotatably connected to first outer frames. In the folding wagon, the detachable connecting rod is provided on the two front brackets, which can be freely modified. In the connected state, the two front casters are controlled to turn left or right at the same time by a handle.

Abstract: A semiconductor device and a manufacturing method is provided. The semiconductor device includes a substrate, a shallow trench isolation structure, a dielectric layer, a gate, a source and a drain. The substrate includes a first region and a second region. The shallow trench isolation structure is arranged on the first region and the second region, and the shallow trench isolation structure is lower than a surface of the substrate and forms an opening. The dielectric layer is arranged in the opening and on the substrate, and a height of the dielectric layer in the second region is greater than that in the first region. The gate is arranged on the dielectric layer. The source is arranged on the substrate and located on a side of the gate. The drain is arranged on the substrate and located on the other side of the gate.

Abstract: Disclosed is an approach for image management for container runtimes. A first image of a first application for a first container runtime can be downloaded from an image repository providing the first image. Content data of the first application and management data corresponding to the first application and the first container runtime can be extracted from the first image. Both the content data of the first application and the management data corresponding to the first application and the first container runtime can be stored in an image sharing file system in response to the content data of the first application being not stored in the image sharing file system. Only the management data corresponding to the first application and the first container runtime can be stored in the image sharing file system in response to the content data of the first application being stored in the image sharing file system.

Abstract: The present invention provides a dual-purpose camper capable of being towed by a bicycle and manually, including vehicle frames and a bicycle beam; a pull rod is rotatably connected between the two vehicle frames; a front bracket and a rear bracket are rotatably connected between the front end and the rear end of one side of the vehicle frames opposite to the pull rod; a fixing rod is rotatably connected in a fixing block; and the top end of the fixing rod penetrates through and is slidably connected with a sliding rod. A stable triangular structure is formed by a supporting rod and a second connecting rod; and the downward pressure of the vehicle frames after heavy loading is supported. The direction can be rotated and adjusted arbitrarily by a fisheye bearing to ensure the stability and directional control in the towing process of a bicycle.

Abstract: A folding wagon with a folding table is provided and includes a first main frame and a second main frame. Positions at front and rear ends of the bottom of the first main frame are respectively fixedly connected to front brackets, tops of the two front brackets are provided with a connecting rod, and each of the bottoms of the two front brackets is rotatably connected to a front caster. A brake assembly passes through and is arranged at a position between the bottoms of the two front brackets, and positions adjacent to the bottom of the first main frame are respectively rotatably connected to first outer frames. In the folding wagon, the detachable connecting rod is provided on the two front brackets, which can be freely modified. In the connected state, the two front casters are controlled to turn left or right at the same time by a handle.

Abstract: The present invention relates to a CSF1R inhibitor, and in particular to a highly active CSF1R inhibitor compound having the structure of formula (I). Said compound of the present invention has high inhibitory activity on CSF1R.

Abstract: Provided are a compound of Formula (I) and a pharmaceutical composition thereof, as well as a method for using the compounds of Formula (I) to prevent and/or treat immune-related disorders.

Abstract: In an embodiment, process for providing a secure remote workspace includes accessing, via a first client application, a remote desktop application. The process includes activating, within the remote desktop, a second client application to provide access to a task. The process includes obtaining user input in connection with executing the task, and transmitting user input information associated with the execution of the task to a server.

Abstract: The present disclosure provides a sound generating device, which includes a frame, a vibration system, and a magnetic circuit system. The vibration system includes a membrane and a dome. The membrane includes a vibrating part, a suspension, a fixing part, and a first through hole, the frame, the membrane, and the magnetic circuit system form an inner sound cavity communicated with the first through hole. The dome is fixed to the vibrating part, and includes a first body layer, a second body layer, and an air-permeable isolating piece sandwiched between the first body layer and the second body layer. The first body layer defines a second through hole communicating with the first through hole, the second body layer defines a third through hole communicating with the second through hole. The air-permeable isolating piece covers the second through hole and the third through hole.

Abstract: The present disclosure provides a sound generating device, which includes a frame, a vibration system, and a magnetic circuit system. The vibration system includes a membrane, a dome, and an air-permeable isolating piece. The membrane is fixed to the frame and configured to define an inner sound generating cavity together with the frame and the magnetic circuit system. The vibrating membrane includes a vibrating part, a suspension, and a fixing part, the vibrating part defining a first through hole communicated with the inner sound generating cavity. The dome is attached to a side of the vibrating part, and the dome defines a second through hole communicating with the first through hole. The air-permeable isolating piece is attached to a side of the dome, and a side of the air-permeable isolating piece is sunken to form a leakage groove communicating with the second through hole.

Abstract: A deep neural network hardware accelerator comprises: an AXI-4 bus interface, an input cache area, an output cache area, a weighting cache area, a weighting index cache area, an encoding module, a configurable state controller module, and a PE array. The input cache area and the output cache area are designed as a line cache structure; an encoder encodes weightings according to an ordered quantization set, the quantization set storing the possible value of the absolute value of all of the weightings after quantization. During the calculation of the accelerator, the PE unit reads data from the input cache area and the weighting index cache area to perform shift calculation, and sends the calculation result to the output cache area. The accelerator uses shift operations to replace floating point multiplication operations, reducing the requirements for computing resources, storage resources, and communication bandwidth, and increasing the calculation efficiency of the accelerator.

Abstract: An attachment for a hair styling apparatus, the attachment comprising an annular duct having an air inlet for receiving an airflow from a hair styling apparatus, and at least one vane located within the duct for directing the airflow from the air inlet towards an air outlet.