Aac Acoustic Technologies (shanghai) Co., Ltd.

Zengyou Meng

Yajun Zheng

Mengya Cao

Zheng Xiang

Shiyu Pei

Provided is a dynamic protection method and system for a linear vibration motor. The method includes S: calculating original voltage signal according to initial gain coefficient; S: processing the original voltage signal of each frame, and obtaining driving voltage signal; S: loading the driving voltage signal to the linear vibration motor to drive the linear vibration motor to operate; S: collecting acceleration signal of the linear vibration motor, and analyzing whether the acceleration signal is abnormal to determine operating state of the linear vibration motor; if yes, performing S; and if not, performing S; S: adjusting current gain coefficient of current signal frame to new gain coefficient; and S: determining whether the current signal frame is the last signal frame. With this method, voltage parameter can be automatically adjusted for the linear vibration motor to reduce abnormal noise to prolong the service life of the device.

Dynamic protection method and system for linear vibration motor, and related device

The method for dynamically adjusting vibration feedback with audio includes: acquiring original audio data; defining preset signal vibration thresholds, tracking instantaneous audio power envelopes of the original audio data to obtain corresponding instantaneous power features, and adaptively adjusting the preset signal vibration thresholds according to the instantaneous power features to obtain signal vibration thresholds; determining the vibration intervals for the original audio data according to the instantaneous power features and the signal vibration thresholds, and dynamically adjusting vibration signal amplitude envelopes of the original audio data to generate vibration driving signals; and outputting vibration feedback based on the vibration driving signals.

Method for dynamically adjusting vibration feedback with audio, system, and device

Provided are a method for generating a haptic feedback signal, an electronic device, and a storage medium. The method includes: acquiring an initial haptic feedback signal; mapping an initial haptic feedback signal from a time domain to a frequency domain to obtain an initial spectrogram of the initial haptic feedback signal in the frequency domain; adjusting an amplitude value of a harmonic component of any frequency band in the initial spectrogram to obtain a target spectrogram; and mapping a signal corresponding to the target spectrogram from the frequency domain to the time domain to obtain a target haptic feedback signal. In the present application, a large number of haptic feedback signals with different haptic feedback effects may be obtained by adjusting the amplitude value of the harmonic component of any frequency band in the initial spectrogram, thereby effectively improving the richness of the haptic feedback signals.

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Shanghai, China

Zengyou Meng