Method, device, system and earphone for configuring equalization filter in earphone

Abstract

The present disclosure relates to a method, a device, a system for configuring an equalization filter in an earphone, and an earphone. The method includes: obtaining a preset transfer function or its related parameters of a transmission path from the loudspeaker to the in-ear microphone of the earphone and a preset filter coefficient of a corresponding equalization filter; based on the obtained preset transfer function of the transmission path or Its related parameters and the preset filter coefficients of the equalization filter, and the current transfer function of the transmission path or its related parameters when the earphone is put into the ear canal to determine the current value of the equalization filter Filter coefficients; configure an equalization filter with the current filter coefficients. In this way, the filter coefficient of the equalization filter can be adjusted in a timely and targeted manner according to different usage scenarios of the user, so that the equalization filter can well balance the sound field in various usage scenarios, and the user can have a high-quality listening experience.

Description

technical field [0001] The present disclosure relates to the field of earphones, and more specifically, to a method and device for configuring an equalization filter in an earphone, an equalization processing system for an earphone, and an earphone. Background technique [0002] With the progress of society and the improvement of people's living standards, earphones have become an indispensable daily necessities for people; they can enable users to enjoy a comfortable listening experience in various noisy environments such as airports, subways, airplanes, and restaurants. In-ear earphones, especially semi-in-ear earphones, are more and more widely recognized by the market and customers because of their wearing comfort. However, different earphone wearing styles (such as tightness, in-ear or semi-in-ear, earphone wearing direction), various devices on the transmission path such as frequency response defects of speakers, and individual differences in the ear canal structure of...

AI Technical Summary

Problems solved by technology

However, the usage scenarios of the actual earphones are changeable and may not be the same as those used by the tuner during the audition. For example, the wearing methods may be different, and the structure of the ear canal of different users may also be different. The performance of various devices such as speakers in different models of earphones may vary. Different individuals of the same type of device (such as speakers, microphones) have differences in the magnitude and phase of their transfer functions, and even these devices will change with continuous use

Therefore, the equalization filter 104 configured with the preset filter coefficients obtained during trial listening cannot well offset the defects of the sound field, and cannot ensure high-quality listening experience for different users in different usage scenarios

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