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公开(公告)号：KR1020110020148A
公开(公告)日：2011-03-02
申请号：KR1020090105953
申请日：2009-11-04
Applicant: 삼성전자주식회사
CPC classification number: H04M1/6016 , H04R3/002 , H04R2499/11
Abstract: PURPOSE: A portable terminal having an acoustic shock protection circuit and an operation method thereof are provided to prevent the acoustic shock occurring during a voice call. CONSTITUTION: An audio processing unit(160) decodes an audio signal, and a control unit(110) confirms an output mode of the audio processing unit. An acoustic shock preventing circuit(170) is placed between a receiver-integrated speaker and an audio processing unit, and is activated to remove an audio signal which exceeds a preset output ranges if the output mode is a receiver mode. In case that the output mode is a speaker mode, the acoustic shock preventing circuit is inactivated.
Abstract translation: 目的：提供一种具有声学防震电路的便携式终端及其操作方法，以防止在语音呼叫期间发生的声震。 构成：音频处理单元（160）解码音频信号，控制单元（110）确认音频处理单元的输出模式。 如果输出模式是接收器模式，则在接收器集成式扬声器和音频处理单元之间放置声学防震电路（170），并被激活以去除超过预设输出范围的音频信号。 在输出模式是扬声器模式的情况下，防震电路被停用。
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公开(公告)号：KR101632415B1
公开(公告)日：2016-07-01
申请号：KR1020090105953
申请日：2009-11-04
Applicant: 삼성전자주식회사
Abstract: 본발명은음향쇼크방지회로를포함하는휴대단말기및 그의운용방법에관한것이다. 이러한본 발명은리시버일체형스피커를이용하여리시버신호와스피커신호를출력하는경우발생할수 있는음향쇼크를방지하는것을특징으로한다. 이를위하여본 발명은상기리시버일체형스피커와오디오처리부사이에오디오신호의출력레벨을일정범위로제한할수 있는음향쇼크방지회로를추가하고, 오디오처리부의출력모드에따라상기음향쇼크방지회로의활성화여부를제어하는것을특징으로한다.
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