Method for improving piano playing sound quality of loudspeaker

A loudspeaker and piano technology, applied in the field of acoustics and electricity, can solve problems that affect user experience, achieve the effects of improving acoustic performance, reducing noise, and avoiding the formation of piano noise

Inactive Publication Date: 2018-07-24
AAC TECH NANJING
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] With the promotion of mobile phone smart power amplifier applications, the piano noise problem of micro-speakers under high voltage is more prominent, seriously affecting user experience

Method used

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  • Method for improving piano playing sound quality of loudspeaker
  • Method for improving piano playing sound quality of loudspeaker
  • Method for improving piano playing sound quality of loudspeaker

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Embodiment Construction

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0034] see Figure 1 to Figure 2 , the method for improving loudspeaker playing piano sound quality provided by the invention, it comprises the steps:

[0035] S10: Obtain a preset frequency frame by using the speaker model and speaker parameters, and excite the speaker with a signal whose frequency characteristic is less than or equal to the frequency frame, without generating piano noise.

[0036] The loudspeaker model is used for simulating loudspeakers of...

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Abstract

The invention provides a method for improving the piano playing sound quality of a loudspeaker. The method comprises the steps of: obtaining an input signal including first audio data, wherein the first audio data includes first frequency characteristics; judging whether the first audio data is audio data including excitation piano noise or not; and, if the first audio data is the audio data including excitation piano noise, dynamically compressing the first frequency characteristics to obtain second audio data including second frequency characteristics, and feeding back a processing signal including the second audio data as an excitation signal to the loudspeaker. Compared with the related technology, the method for improving the piano playing sound quality of the loudspeaker provided bythe invention has the advantages that: the audio data capable of exciting piano noise in the input signal is dynamically compressed; the noise of the loudspeaker is reduced while a device is not modified; therefore, the acoustic performance of the loudspeaker is improved; and furthermore, the method provided by the invention is simple in step and high in implementation.

Description

【Technical field】 [0001] The invention relates to the field of sound and electricity, in particular to a method for improving the sound quality of piano sound played by a loudspeaker. 【Background technique】 [0002] When the micro-speaker plays music, it will produce some noise, mainly some "rustling" sound and "hissing" sound. At present, this phenomenon exists in most micro-speaker products, especially the side-firing products. [0003] In the related art, noise is a common feature of samples, and the noise performance of different samples is different, and the moment when the noise appears varies with the sample type. Different individuals have similar subjective feelings on the noise. In the same test piece, when the sample plays different program sources, the noise of the piano sound is the most obvious, and the noise of other program signals is very rare. We call this situation "Piano Noise". [0004] With the promotion of mobile phone smart power amplifier applicati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R9/06H04R9/02H04R3/00
CPCH04R3/00H04R9/02H04R9/06H04R2400/11H04R2430/20
Inventor 张姮李子
Owner AAC TECH NANJING
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