Miniature loudspeaker array, in-vehicle sound field control method and device and storage device

Abstract

The invention provides a micro loudspeaker array, an in-vehicle sound field control method and device and a storage device. The in-vehicle sound field control method comprises the steps: acquiring a first audio signal and a second audio signal; performing signal offset processing on a first right channel signal in the first audio signal and a second left channel signal in the second audio signal;obtaining a first offset signal and a second offset signal according to a signal offset processing result; and outputting the first offset signal and the first left channel signal to a micro loudspeaker located at the left side of the user, and outputting the second offset signal and the second right channel signal to a micro loudspeaker located at the right side of the user. In addition, a microloudspeaker used for replaying a central sound channel is arranged right ahead the user, and the sound image position of the whole sound field is adjusted. By means of the mode, the replay sound fieldof the loudspeaker in the vehicle can be widened, the width of a sensing sound source is increased, meanwhile, a stable, centered, clear and high-fidelity central sound image is provided, and the listening experience is improved.

Description

【Technical field】 [0001] The invention relates to the field of automobiles, in particular to a micro-speaker array, a method and device for controlling an interior sound field, and a storage device. 【Background technique】 [0002] Nowadays, with the rapid development of automotive electronics technology, an excellent in-car audio and video experience can significantly enhance the market competitiveness of a vehicle. The user's demand for car audio experience is no longer satisfied with the ordinary surround sound experience, and the acoustic solution of the traditional car audio system is mainly based on the speaker configuration of the left channel, right channel, center channel, and bass channel. For sound reproduction, this acoustic solution is difficult to create a very innovative user experience, especially in terms of the user's perception of the sound source width of the sound field. Basically, the width of the sound perceived by the user in the car is the physical di...

AI Technical Summary

Problems solved by technology

The user's demand for car audio experience is no longer satisfied with the ordinary surround sound experience, and the acoustic solution of the traditional car audio system is mainly based on the speaker configuration of the left channel, right channel, center channel, and bass channel. For sound reproduction, this acoustic solution is difficult to create a very innovative user experience, especially in terms of the user's perception of the sound source width of the sound field. Basically, the width of the sound perceived by the user in the car is the physical distance between the speakers. Layout spacing or width

[0003] The size of traditional car speakers is too large, and it is difficult to form an effective speaker array in the limited space of the vehicle, resulting in unstable playback sound field sound image, prone to left and right sound imbalance, and the user's perceived sound source width is not wide, which affects the user's experience. Hearing experience

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