摘要：【中文】本发明提供一种数字音频功放同步电路及方法、电子设备，所述电路包括：控制模块、总线接口模块、锁相环模块、指示信号同步模块和主时钟分频器；所述总线接口模块分别向所述锁相环模块和所述指示信号同步模块发送第一时钟信号；所述锁相环模块完成相位锁定之后，向所述指示信号同步模块发送指示信号；所述指示信号同步模块将所述指示信号同步至所述第一时钟信号之后，得到异步复位信号，并将所述异步复位信号发送至控制模块、总线接口模块以及主时钟分频器，以使各个模块在接收到异步复位信号时进行工作，减小了对音频数据处理的时延，提高输出的音频数据的立体音效的质量。 【EN】The invention provides a digital audio power amplifier synchronization circuit and method, and electronic equipment, wherein the circuit comprises: the device comprises a control module, a bus interface module, a phase-locked loop module, an indication signal synchronization module and a master clock frequency divider; the bus interface module respectively sends a first clock signal to the phase-locked loop module and the indication signal synchronization module; after the phase-locked loop module finishes phase locking, an indication signal is sent to the indication signal synchronization module; the indication signal synchronization module synchronizes the indication signal to the rear of the first clock signal to obtain an asynchronous reset signal, and sends the asynchronous reset signal to the control module, the bus interface module and the main clock frequency divider, so that each module works when receiving the asynchronous reset signal, the time delay of audio data processing is reduced, and the quality of the stereo sound effect of the output audio data is improved.

摘要：【中文】本申请公开了一种数字音频功放电路及其电流采样控制电路，该电流采样控制电路具体包括输入信号选择电路、同步和滤波电路、边沿检测电路、计数器步进控制电路、脉冲计数器、延迟电路和采样控制单元。该电流采样控制电路根据输入的边沿检测使能信号、反馈选择信号、来自数字音频功放电路的两个模拟放大器的输出级的第一反馈信号和第二反馈信号最终输出采样控制信号，以便控制相应采样电路对喇叭的反馈电流实现精确采样，从而实现数字音频功放芯片根据反馈电流对喇叭进行过温保护。 【EN】The application discloses digital audio power amplifier circuit and current sampling control circuit thereof, and the current sampling control circuit specifically comprises an input signal selection circuit, a synchronization and filter circuit, an edge detection circuit, a counter stepping control circuit, a pulse counter, a delay circuit and a sampling control unit. The current sampling control circuit finally outputs sampling control signals according to the input edge detection enabling signals, the feedback selection signals, the first feedback signals and the second feedback signals from the output stages of the two analog amplifiers of the digital audio power amplifier circuit, so that the corresponding sampling circuits are controlled to accurately sample the feedback current of the loudspeaker, and the digital audio power amplifier chip carries out over-temperature protection on the loudspeaker according to the feedback current.

摘要：【中文】本申请公开了一种数字音频接口的数据环回检测电路和数字音频设备，该电路包括数据输入端、数据输出端、接收通道电路、发送通道电路、内部接收端、内部输出端、第一通道选择电路和控制信号输入端。数据输入端通过接收通道电路与内部接收端信号连接；内部输出端通过发送通道电路与通道选择电路的第一输入端信号连接；第一通道选择电路的第二输入端与数据输入端信号连接、输出端与数据输出端信号连接；控制信号输入端与第一通道选择电路的控制端信号连接，用于接收对通道选择电路进行选择导通的通道选择信号。通过将该第二输入端与输出端之间的导通，即可完成对数据输入端和数据输出端之间的传输性能进行检测。 【EN】The application discloses data loopback detection circuit and digital audio equipment of digital audio interface, this circuit include data input end, data output end, receiving channel circuit, send channel circuit, inside receiving terminal, inside output, first passageway selection circuit and control signal input. The data input end is in signal connection with the internal receiving end through a receiving channel circuit; the internal output end is in signal connection with the first input end of the channel selection circuit through the sending channel circuit; the second input end of the first channel selection circuit is in signal connection with the data input end, and the output end of the first channel selection circuit is in signal connection with the data output end; the control signal input end is in signal connection with the control end of the first channel selection circuit and is used for receiving a channel selection signal for selectively conducting the channel selection circuit. The transmission performance between the data input end and the data output end can be detected by conducting the second input end and the output end.

摘要：【中文】本发明公开了一种基于特征关联的视频群体人物运动轨迹跟踪方法。该发明首先检测视频中出现的群体人物，获取群体人物的位置信息和特征掩码；接着检测新增人物，选定当前追踪人物，逐帧计算当前追踪人物与相邻视频帧中人物的关联相似度；最后结合关联相似度，确定当前追踪人物的帧间动态，更新当前追踪人物运动线索，并遍历视频序列完成视频群体人物的运动轨迹跟踪。本发明利用群体人物的运动特性，在帧间人物关联匹配过程中，综合考虑位置关系和动作形态的影响，能够有效提高群体人物运动轨迹跟踪的准确率，具有良好的实施性和鲁棒性。 【EN】The invention discloses a video group character motion trail tracking method based on feature association. Firstly, detecting group people appearing in a video, and acquiring position information and a feature mask of the group people; detecting newly added characters, selecting the current tracking character, and calculating the association similarity between the current tracking character and the characters in the adjacent video frames frame by frame; and finally, determining the inter-frame dynamics of the current tracked figure by combining the correlation similarity, updating the motion clue of the current tracked figure, and traversing the video sequence to complete the motion trail tracking of the figure of the video group. The method utilizes the motion characteristics of group characters, comprehensively considers the influence of the position relation and the action form in the inter-frame character correlation matching process, can effectively improve the accuracy of tracking the motion track of the group characters, and has good implementation and robustness.

摘要：【中文】本发明属于农业种植技术领域，具体涉及一种增加朝天椒座果量的栽培方法。本发明包括以下步骤：(1)播种育苗；(2)整地移栽；(3)生长调控；(4)滴灌施肥；(5)病虫害防治。本发明的栽培方法通过合理规划栽培步骤，配合施用多种适合于朝天椒生长的育苗基质、肥料、生长调节剂等，能够使朝天椒的单株果穗数增加21％左右，单穗座果数增加13％左右，单位面积产量提高36％左右。 【EN】The invention belongs to the technical field of agricultural planting, and particularly relates to a cultivation method for increasing the fruit setting amount of pod peppers. The invention comprises the following steps: (1) sowing and raising seedlings; (2) land preparation and transplantation; (3) regulating and controlling growth; (4) fertigation; (5) and (4) pest control. The cultivation method provided by the invention has the advantages that through reasonable planning of cultivation steps and the application of various seedling raising substrates, fertilizers, growth regulators and the like which are suitable for the growth of the pod peppers, the fruit spike number of a single plant of the pod peppers can be increased by about 21%, the fruit setting number of the single spike can be increased by about 13%, and the yield per unit area can be increased by about 36%.