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    • 10. 发明授权
    • Apparatus and method for producing 3D sound
    • 用于产生3D声音的装置和方法
    • US07599498B2
    • 2009-10-06
    • US11175326
    • 2005-07-07
    • Poong-Min KimHyun-Suk KimJin-Wook KimDong-Woo LeeIn-Ho LeeYong-Suk ChoiJeong-Mo KooMyung-Cheol LeeDong-Sun ShinJong-Woo Kim
    • Poong-Min KimHyun-Suk KimJin-Wook KimDong-Woo LeeIn-Ho LeeYong-Suk ChoiJeong-Mo KooMyung-Cheol LeeDong-Sun ShinJong-Woo Kim
    • H04R5/00
    • H04S5/02H04R2499/11H04S5/00
    • Disclosed herein is an apparatus for producing 3D sound. The apparatus includes a determination unit, a mono sound spreading unit, a stereo sound spreading unit, a selection unit, and a 3D sound accelerator. The determination unit receives a source sound file and determines whether the source sound file is mono or stereo. The mono sound spreading unit converts the source sound into pseudo-stereo sound and performs sound spreading on the pseudo-stereo sound, if the source sound is determined to be mono. The stereo sound spreading unit performs sound spreading on the source sound, if the source sound is determined to be stereo. The selection unit receives the output of the mono sound spreading unit or stereo sound spreading unit, and transfers the output to headphones if the headphone reproduction has been selected. The 3D sound accelerator receives the output from the selection unit if speaker reproduction has been selected, removes crosstalk from the output, and transfers the crosstalk-free output to speakers.
    • 本文公开了一种用于产生3D声音的装置。 该装置包括确定单元,单声道扩散单元,立体声扩声单元,选择单元和3D声音加速器。 确定单元接收源声音文件并确定源声音文件是单声道还是立体声。 如果源声音被确定为单声道,则单声道扩散单元将源声音转换为伪立体声,并对伪立体声进行声音扩展。 如果源声音被确定为立体声,则立体声扩散单元对源声音进行声音扩展。 选择单元接收单声道扩声单元或立体声声音扩展单元的输出,并且如果已经选择了耳机再现,则将输出传送到耳机。 如果选择了扬声器再现,则3D声音加速器从选择单元接收输出,从输出中消除串扰,并将无串扰输出传送给扬声器。