发明申请
US20110200208A1 APPARATUS AND METHOD FOR TRANSMITTING SOUND THROUGH NONLINEAR MEDIA
审中-公开
通过非线性媒体发送声音的装置和方法
- 专利标题： APPARATUS AND METHOD FOR TRANSMITTING SOUND THROUGH NONLINEAR MEDIA
- 专利标题（中）： 通过非线性媒体发送声音的装置和方法
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申请号： US12808707申请日： 2008-09-25
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公开(公告)号： US20110200208A1公开(公告)日： 2011-08-18
- 发明人: Jae Hoon Shim , Sung Weon Kang , Sung Eun Kim , Jung Hwan Hwang , Chang Hee Hyoung , Jin Kyung Kim , In Gi Lim , Hyung Il Park , Kyung Soo Kim , Jung Bum Kim , Tae Wook Kang , Ki Hyuk Park
- 申请人： Jae Hoon Shim , Sung Weon Kang , Sung Eun Kim , Jung Hwan Hwang , Chang Hee Hyoung , Jin Kyung Kim , In Gi Lim , Hyung Il Park , Kyung Soo Kim , Jung Bum Kim , Tae Wook Kang , Ki Hyuk Park
- 申请人地址： KR Daejeon
- 专利权人： Electronics and Telecommunications Research Institute
- 当前专利权人： Electronics and Telecommunications Research Institute
- 当前专利权人地址： KR Daejeon
- 优先权： KR10-2007-0134374 20071220; KR10-2008-0068224 20080714
- 国际申请： PCT/KR2008/005687 WO 20080925
- 主分类号： H04B15/00
- IPC分类号： H04B15/00
摘要：
Provided are an apparatus and method for transmitting sound through a nonlinear medium. The apparatus includes a pre-distorter for previously distorting a sound signal to compensate for distortion to be caused by a frequency characteristic of the nonlinear medium in a transmission process of the sound signal, a sigma-delta modulator for modulating the pre-distorted sound signal into a signal having two signal levels, a high-frequency modulator for multiplying the modulated signal by a carrier wave having a higher frequency than an audio frequency band to shift the modulated signal to a carrier frequency band and generate a high-frequency modulated signal, and a transmitter for converting the high-frequency modulated signal into a sound wave signal suited to be transmitted through the nonlinear medium and transmitting the sound wave signal.