公开(公告)号：US09466309B2

公开(公告)日：2016-10-11

申请号：US14556241

申请日：2014-12-01

Applicant: ASUSTeK COMPUTER INC.

Inventor： Lai-Shi Huang ,  Chien-Ho Wu

IPC: G10L25/90 ,  H04R3/04 ,  G10L19/26 ,  G10L25/48 ,  G10H1/12

CPC classification number: G10L19/26 ,  G10H1/125 ,  G10L25/48 ,  G10L25/90 ,  H04R3/04

Abstract: An audio signal processing method includes following steps: playing a fundamental frequency signal by a media player; calculating a first fundamental frequency sound pressure value and a first harmonic sound pressure value of the fundamental frequency signal, and calculating a second fundamental frequency sound pressure value and a second harmonic sound pressure value of the audio signal; calculating a threshold sound pressure value according to the first fundamental frequency sound pressure value, the first harmonic sound pressure value, and the second fundamental frequency sound pressure value; and comparing the second harmonic sound pressure value and the threshold sound pressure value to generate a comparing result, and adjusting the second harmonic sound pressure value according to the comparing result. An audio signal processing device is also disclosed.

Abstract translation: 音频信号处理方法包括以下步骤：由媒体播放器播放基频信号; 计算基频信号的第一基频声压值和一次谐波声压值，并计算音频信号的第二基频声压值和二次谐波声压值; 根据第一基频声压值，第一谐波声压值和第二基频声压值计算阈值声压值; 以及比较二次谐波声压值和阈值声压值以产生比较结果，并根据比较结果调整二次谐波声压值。 还公开了一种音频信号处理装置。