Loudspeaker and control method applied to loudspeaker

Abstract

A speaker and a control method applied to the speaker are disclosed. The sound box includes: a cavity with a first opening and a second opening on its outer wall; a first speaker located in the cavity and disposed toward the outside of the cavity through the first opening; a second speaker located in the cavity. The cavity is disposed toward the outside of the cavity through the second opening; and a controller is configured to control the first speaker to actively work and the second speaker not to actively operate for the first audio data; and for the first audio data, The second audio data controls both the first speaker and the second speaker to actively work.

Description

technical field [0001] The present disclosure relates to the field of acoustics, and more particularly, to a sound box and a control method applied to the sound box. Background technique [0002] With the rapid development of new audio consumer electronics products such as notebook computers, tablet computers, flat-screen TVs, and smart phones, traditional speakers tend to be miniaturized. [0003] At present, there are two main categories of speaker miniaturization solutions. One is a simple airtight box, and the other is an inverted box. Inverted cabinets have higher efficiency at low frequencies, but the frequency response decays rapidly below the cabinet's resonant frequency. Although the low-frequency range of the airtight box cannot be compensated by the acoustic structure, the low-frequency attenuation of the speaker is gentle. At lower frequencies, the efficiency is higher than that of the vented speaker. [0004] That is to say, both the phase inverter box and th...

AI Technical Summary

Problems solved by technology

Specifically, the inverter box is efficient, but it is difficult to increase the low frequency extension below the resonant frequency even with power compensation

The low-frequency efficiency of the airtight box is low. Although the low-frequency extension can be increased, it needs to consume a lot of power to compensate. At the same time, the low-frequency compensation speaker has a large vibration mass, large inertia, and poor transient performance of the sound.

Images