Aac Technologies (nanjing) Co., Ltd.

Lijian Ye

Ruizhi Lan

Yuheng Jiang

Hongling Fu

Kejia Liu

Yangzhen Chen

A coaxial speaker protection method, a coaxial speaker protection system, a coaxial speaker protection device, and a coaxial speaker protector are provided. The coaxial speaker protection method includes modeling a temperature of a tweeter to obtain a tweeter voltage-temperature transfer function, modeling a temperature and an amplitude of a woofer to obtain a woofer voltage-amplitude-temperature transfer function, modeling a coaxial device having the tweeter and the woofer to obtain a thermal conduction function of the coaxial device, predicting a temperature at a next moment of the tweeter according to temperature information fed back by a current at a previous moment of the tweeter, etc. The tweeter and the woofer are protected through a feedforward manner, so that sound quality of a coaxial speaker is improved.

Coaxial speaker protection method, coaxial speaker protection system, coaxial speaker protection device, and coaxial speaker protector

A coaxial speaker protection method, a coaxial speaker protection system, a coaxial speaker protection device, and a coaxial speaker protector are provided. The coaxial speaker protection method includes modeling a temperature of a tweeter to obtain a tweeter voltage-temperature transfer function, modeling a temperature and an amplitude of a woofer to obtain a woofer voltage-amplitude-temperature transfer function, modeling a coaxial device having the tweeter and the woofer to obtain a thermal conduction function of the coaxial device, calculating a current temperature of the tweeter according to a current voltage of the tweeter, calculating a current temperature of the woofer according to a current voltage of the woofer, etc. The tweeter and the woofer are protected through a feedforward manner, so that sound quality of a coaxial speaker is improved.

A speaker temperature protection method, a speaker temperature protection device, an electronic device, and a computer-readable storage medium are provided. The speaker temperature protection method includes creating a target transfer function based on a first measured temperature of the speaker and a first measured fusion voltage relative to the combination device, obtaining a first predicted temperature of the speaker based on the target transfer function, and determining a target gain according to the first predicted temperature of the speaker and a first fusion power relative to the combination device, and performing gain processing on an original audio signal input to the combination device based on the target gain, so as to provide temperature protection for the speaker. In this way, a temperature of the speaker is kept below a maximum allowable temperature and audio distortion is reduced.

Speaker temperature protection method and device, electronic device, and computer-readable storage medium

The present application provides an audio signal enhancement method, apparatus, device and readable storage medium. Firstly, the first audio feature corresponding to the actual audio signal is obtained. Then, the first audio feature is inputted to a trained classifier for classification and identification, to obtain the audio-type representation data corresponding to the actual audio signal. Finally, a target audio signal conforming to a target audio type in the actual audio signal is enhanced with reference to the audio-type representation data, to obtain an enhanced audio signal. Through the implementation of the present application, the actual audio signal is classified and identified using the trained classifier, and the target audio signal conforming to the target audio type is enhanced, thereby effectively enhancing the target audio signal and improving the accuracy of enhancing the target audio signal.

Audio signal enhancement method, apparatus, device, and readable storage medium

This application provides a system for generating a drive signal and a method for generating a drive signal for driving a two-in-one device integrating a first component capable of generating sound and a second component capable of generating vibration. The system includes an audio signal pre-processing module, configured to perform low-frequency filtering and acoustic effect processing on an input signal according to a high-pass filtering parameter to obtain an audio signal; a vibration signal generation module, configured to generate a vibration signal based on an acoustic characteristic of the audio signal or a preset vibration library; a signal synthesis module, configured to superpose the audio signal with the vibration signal to output the drive signal; and an amplitude-limiting control module, configured to determine whether the audio signal and the vibration signal exceeds a maximum allowable range when superposed, and attenuate the audio signal and/or the vibration signal.

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Nanjing, China

Lijian Ye