Abstract: The present disclosure discloses an audio intelligent wearable device, and relates to the technical field of outdoor apparels. The audio intelligent wearable device comprises a knitted hat, a fixed ring, a first shell and two earphone modules, wherein the fixed ring is inlaid on a front of the knitted hat, knitted pockets are sewn at two sides of the knitted hat symmetrically, the first shell is inlaid inside the fixed ring, and an earphone cable is arranged between the first shell and each of the earphone modules. According to the present disclosure, the earphone cables are stored by winding the earphone cables inside a winch through a cable storage mechanism so as to avoid the condition that when being exposed, the earphone cables are easily damaged, and meanwhile, the user experience can also be improved.

Abstract: An object detection network includes: a hybrid voxel feature extractor configured to acquire a raw point cloud, extract a hybrid scale voxel feature from the raw point cloud, and project the hybrid scale voxel feature to generate a pseudo-image feature map; a backbone network configured to perform a hybrid voxel scale feature fusion by using the pseudo-image feature map to generate multi-class pyramid features; and a detection head configured to predict a three-dimensional object box of a corresponding class according to the multi-class pyramid features. The object detection network can effectively solve a problem that under a single voxel scale, inference time is longer if the voxel scale is smaller, and an intricate feature cannot be captured and a smaller object cannot be accurately located if the voxel scale is larger. Different classes of 3D objects can be detected quickly and accurately in a 3D scene.

Abstract: A video stream processing method is provided. First audio stream data in live video stream data is obtained. Speech recognition is performed on the first audio stream data to generate speech recognition text. Caption data is generated according to the speech recognition text, the caption data including caption text and time information corresponding to the caption text. The caption text is added to a corresponding picture frame in the live video stream data according to the time information corresponding to the caption text to generate captioned live video stream data.

Abstract: The present disclosure relates to a bone conduction speaker and its compound vibration device. The compound vibration device comprises a vibration conductive plate and a vibration board, the vibration conductive plate is set to be the first torus, where at least two first rods inside it converge to its center; the vibration board is set as the second torus, where at least two second rods inside it converge to its center. The vibration conductive plate is fixed with the vibration board; the first torus is fixed on a magnetic system, and the second torus comprises a fixed voice coil, which is driven by the magnetic system. The bone conduction speaker in the present disclosure and its compound vibration device adopt the fixed vibration conductive plate and vibration board, making the technique simpler with a lower cost; because the two adjustable parts in the compound vibration device can adjust both low frequency and high frequency area, the frequency response obtained is flatter and the sound is broader.

Abstract: A speaker comprises a housing, a transducer residing inside the housing, and at least one sound guiding hole located on the housing. The transducer generates vibrations. The vibrations produce a sound wave inside the housing and cause a leaked sound wave spreading outside the housing from a portion of the housing. The at least one sound guiding hole guides the sound wave inside the housing through the at least one sound guiding hole to an outside of the housing. The guided sound wave interferes with the leaked sound wave in a target region. The interference at a specific frequency relates to a distance between the at least one sound guiding hole and the portion of the housing.

Abstract: The present invention discloses a method and a system for automatically generating a hole location map for golf course, relating to the field of the automatic measurement technology. The method includes the following steps: acquiring longitude and latitude data of all fairway center points or green center points, longitude and latitude data of all green front edge points, and longitude and latitude data of all current-date hole position points; calculating hole position data of respective current-date hole position points according to the longitude and latitude data of the current-date hole position point, the longitude and latitude data of the fairway center point or the green center point corresponding to the current-date hole position point and the longitude and latitude data of the green front edge point; and automatically generating a current-date hole location map for golf course according to the hole position data of the respective current-date hole position points.

Abstract: A teapot is provided with a pot body, a tea leaf filter basket in the pot body, and a lid on the pot body. A tea leaf filter basket bracket is sleeved at a pot opening of the pot body on an outer edge of the tea leaf filter basket; the tea leaf filter basket bracket and an inner side surface of the pot opening of the pot body are in interference fit; and the tea leaf filter basket bracket is in pivoted connection with the lid. The tea leaf filter basket is placed on the tea leaf filter basket bracket.

Abstract: In an embodiment, a method for shaping a PWM signal includes: receiving an input PWM signal; generating an output PWM signal based on the input PWM signal by: when the input PWM signal transitions with a first edge of the input PWM signal, transitioning the output PWM signal with a first edge of the output PWM signal; and when the input PWM signal transitions with a second edge before the first edge of the output PWM signal transitions, delaying a second edge of the output PWM signal based on the first edge of the output PWM signal.

Abstract: A massage motion device and a massager for scratching head, and the massage motion device includes a mounting seat and a pair of swing arm assemblies; the swing arm assemblies being mounted to the mounting seat, the swing arm assemblies includes a rotating wheel and a swing arm mechanism, the swing arm mechanisms include a swinging arm, and a connecting member rotatably connected to the swinging arm via a second rotational shaft, the connecting arm is provided with a slot matched with the second rotational shaft, the slot is disposed in a direction parallel to the axis of the second rotational shaft, and the length extending direction of the slot is disposed in parallel to the extending direction of the guide pin.