METHOD AND DEVICE FOR PROCESSING AUDIO SIGNAL USING AUDIO FILTER HAVING NON-LINEAR CHARACTERISTICS

WIPO Patent Application WO/2019/045474

A1

Various embodiments of the present invention disclose a method and device for processing a non-linear signal in an electronic device. According to the various embodiments, the electronic device includes an audio input module, an audio output module, and a processor, wherein the processor can be set to check a first audio signal to be output through the audio output module, generate a first signal obtained by processing the first audio signal using a first filter having a first non-linear attribute and a second signal obtained by processing the first audio signal using a second filter having a second non-linear attribute, output the first audio signal through the audio output module, acquire an external audio signal including the first audio signal of the electronic device through the audio input module, acquire a first output value through an input channel of an audio filter in which a first weight having first non-linear characteristics is applied to an amplitude value, corresponding to a first frequency, in the first signal and an amplitude value, corresponding to the first frequency, in the second signal, acquire a second output value through a second input channel of the audio filter in which a second weight, which is different from the first weight and has second non-linear characteristics, is applied to an amplitude value, corresponding to a second frequency, in the first signal and an amplitude value, corresponding to the second frequency, in the second signal, and generate a second audio signal on the basis of at least a first difference value between the first output value and an amplitude value, corresponding the first frequency, in the external audio signal, and a second difference value between the second output value and an amplitude value, corresponding the second frequency, in the external audio signal.

JP2005122042	SPEECH RECOGNIZING DEVICE, SPEECH RECOGNIZING METHOD, SPEECH SYNTHESIZER, SPEECH SYNTHESIS METHOD, SPEECH RECOGNITION SYSTEM, SPEECH SYNTHESIS SYSTEM, SPEECH RECOGNITION AND SYNTHESIZING DEVICE, NAVIGATION SYSTEM, AND MOVING BODY
WO/2001/003317	CODED DOMAIN ADAPTIVE LEVEL CONTROL OF COMPRESSED SPEECH
WO/2002/047068	METHOD AND APPARATUS FOR ROBUST SPEECH CLASSIFICATION

YANG JAEMO (KR)
MOON HANGIL (KR)
BAEK SOONHO (KR)
SON BEAK-KWON (KR)
CHO KIHO (KR)
CHOI CHULMIN (KR)

PCT/KR2018/010038

March 07, 2019

August 30, 2018

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SAMSUNG ELECTRONICS CO LTD (KR)

G10L21/02; G10L19/26; G10L25/30

US20150341501A1	2015-11-26
US20150126255A1	2015-05-07
US20090046847A1	2009-02-19
KR100860805B1	2008-09-30
KR20130127597A	2013-11-25

KWON, Hyuk-Rok et al. (KR)

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