Abstract: Provided is an environment scene recognition and decision-making system and method based on a smart device. The system includes: an acquisition module disposed in the smart device to acquire environment data; a data processing module connected to the acquisition module to process the environment data to obtain environment scene features; an environment scene recognition module connected to the data processing module to recognize the environment scene features to obtain corresponding environment scenes; and a decision-making module connected to the environment scene recognition module to call a preset configuration strategy according to the environment scenes to automatically adjust audio configuration parameters of the smart device. Through the above methods, different environment scene may be recognized and the corresponding audio configuration parameters of the smart device may be adapted in different environment scenes, which may effectively improve the user experience.

Abstract: 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.

Abstract: A voice detection method, a voice detection device, and a computer device are provided. The voice detection method includes acquiring an audio sequence; extracting a first audio feature from the audio sequence, and performing voice detection on the audio sequence according to the first audio feature to obtain a first voice detection result; extracting a second audio feature from the audio sequence and performing the voice detection on the audio sequence according to the second audio feature to obtain a second voice detection result; and determining a voice detection result of the audio sequence according to the first voice detection result and the second voice detection result. The voice detection method realizes voice detection in a non-training way and has low computing power and high detection accuracy.

Abstract: 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.

Abstract: 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.

Abstract: A coaxial speaker tweeter temperature protection method, a coaxial speaker tweeter temperature protection system, and a computer-readable storage medium are provided. The coaxial speaker tweeter temperature protection method is applied to a coaxial speaker including a tweeter and a woofer, including steps of acquiring a woofer real-time temperature, performing calculation on the woofer real-time temperature and a pre-processed input signal through a tweeter temperature prediction algorithm to predict a tweeter real-time temperature in a current state, where the pre-processed input signal is a signal acquired after processing a sound effect algorithm on an input audio signal, etc. Compared with the related art, the coaxial speaker tweeter temperature protection method, the coaxial speaker tweeter temperature protection system, the electronic device, and the computer-readable storage medium provide better temperature protection for the tweeter, reliability of which is better.

Abstract: 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.

Abstract: 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, predicting a temperature at a next moment of the woofer according to temperature information fed back by a current at a previous moment of the woofer, etc. A coaxial speaker is protected through the method.

Abstract: The present invention provides a transducer protection system and method. A transducer module at least comprises a transducer, and a signal source is used for generating a first signal; a protection module is used for predicting an actual displacement and/or temperature of the transducer according to the first signal, an amplification factor of the power amplifier and built-in transducer parameters to generate a prediction result, comparing the prediction result with a preset value to generate an analysis result, and regulating the first signal to form a second signal according to the analysis result; a power amplifier is used for receiving the second signal, and performing power amplification on the second signal to form a driving signal; and the transducer module is used for receiving the driving signal, and at least one transducer in the transducer module can work according to the driving signal.

Abstract: A speaker displacement protection method, a speaker displacement protection device, and a computer-readable storage medium are provided. The speaker displacement protection method includes creating a target transfer function based on a real-time amplitude of the speaker and a fusion voltage relative to the combination device, determining target gains according to the target transfer function and a predetermined displacement threshold, and performing gain processing on an original audio signal input to the combination device based on the target gains, so as to provide displacement protection for the speaker. As such, accuracy of the speaker displacement protection is improved while audio distortion is reduced.

Abstract: 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.

Abstract: A single power amplifier-driven signal control system for driving a two-in-one device integrating a first component capable of generating sound and a second component capable of generating vibration, where the two-in-one device includes a first input end and a second input end for introducing a signal respectively to the first component and the second component. The signal control system includes a signal control module, configured to determine an operating mode required for a current state based on an input signal, and generate an output signal for driving the two-in-one device based on the input signal and operating mode; a power amplifier, configured to amplify the output signal to obtain an amplified drive signal; and a front-end circuit module, configured to load the amplified drive signal to the first input end and/or the second input end to drive the first component and/or the second component to operate.

Abstract: This application provides a speaker control method and device, terminal equipment and a computer-readable storage medium. The method includes: obtaining a user perception-prohibited area corresponding to a target audio signal while detecting an audio output event, where the target audio signal is output in response to the audio output event; determining a first speaker based on the user perception-prohibited area, and determining a reverse cancelling sound wave corresponding to the target audio signal; generating a first control parameter based on a characteristic attribute of the reverse cancelling sound wave; and controlling the first speaker to output the reverse cancelling sound wave based on the first control parameter.

Abstract: 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.

Abstract: This application provides a sound-field control method and device, an electronic device and a computer-readable storage medium. The method includes: obtaining a target sound field parameter, calculating a control parameter of a sound-generating device according to the target sound field parameter, and controlling operation of the sound-generating device according to the control parameter.

Abstract: The present invention provides a speaker having a vibrating system and a magnetic circuit system for driving the vibrating system to vibrate and sound. The magnetic circuit system has magnetic gap. The vibrating system includes vibrating assembly and voice coil assembly connected to the vibrating assembly, the voice coil assembly is inserted into the magnetic gap. The magnetic circuit system has a magnetic line concentrating area in the magnetic gap. The voice coil assembly includes a first voice coil connected to the vibrating assembly and a second voice coil arranged on the first voice coil at a side away from the vibrating assembly. if in the magnetic line concentrating area locates only the first voice coil, an electric signal is input only to the first voice coil; if in the magnetic line concentrating area locates only the second voice coil, electric signal is input only to the second voice coil.

Abstract: The present invention provides a speaker having a vibrating system and a magnetic circuit system for driving the vibrating system to vibrate and sound. The magnetic circuit system has magnetic gap. The vibrating system includes vibrating assembly and voice coil assembly connected to the vibrating assembly, the voice coil assembly is inserted into the magnetic gap. The magnetic circuit system has a magnetic line concentrating area in the magnetic gap. The voice coil assembly includes a first voice coil connected to the vibrating assembly and a second voice coil arranged on the first voice coil at a side away from the vibrating assembly. if in the magnetic line concentrating area locates only the first voice coil, an electric signal is input only to the first voice coil; if in the magnetic line concentrating area locates only the second voice coil, electric signal is input only to the second voice coil.

Abstract: The invention discloses a real-time vibration state monitoring system. The system includes a linear motor, a signal generating module for driving the linear motor to vibrate, a working parameters feedback module, a calculating module, an initial position recording module, and a signal control module. The system can control the amplitude of the vibrator by monitoring the vibration state of the vibrator in the linear motor and adjusting the drive signal; therefore, the effect to normal working or reliability of the linear motor due to oversized amplitude can be avoided. A monitoring method is also provided.

Abstract: The invention discloses a real-time vibration state monitoring system. The system includes a linear motor, a signal generating module for driving the linear motor to vibrate, a working parameters feedback module, a calculating module, an initial position recording module, and a signal control module. The system can control the amplitude of the vibrator by monitoring the vibration state of the vibrator in the linear motor and adjusting the drive signal; therefore, the effect to normal working or reliability of the linear motor due to oversized amplitude can be avoided. A monitoring method is also provided.

Abstract: The present disclosure discloses a linear vibration motor driver including an amplitude and temperature testing unit, a gain controller, and a coil resistance detector and an amplifier. The amplitude and temperature testing unit receives a motor drive input signal and a feedback drive signal output by the amplifier, and outputs a corresponding estimated motor amplitude and real-time temperature according to the motor drive input signal and the feedback drive signal. The amplifier adjusts magnification, amplifies the motor drive input signal according to the magnification and outputs the feedback drive signal to drive the motor. The present disclosure can adjust the magnitude of the drive signal according to current estimated amplitude and maximum amplitude and make corresponding rectification of the amplifier magnification upon too high temperature to extend the service life of the motor.