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    • 2. 发明公开
    • 음장 합성을 이용한 입체 음장 재생 장치 및 그 방법
    • 使用波场合成再现环绕波场的装置和方法
    • KR1020090054802A
    • 2009-06-01
    • KR1020070121672
    • 2007-11-27
    • 한국전자통신연구원
    • 유재현장대영심환정현주임준석성굉모이태진강경옥김진웅안치득
    • H04S5/00H04R5/02
    • H04S3/008H04R2201/401H04R2201/403H04R2499/13H04S3/002H04S7/30H04S2420/13
    • An apparatus and a method for generating a cubic sound field using synthesizing a sound field are provided to offer a wide listening space in a limit space by reproducing the cubic sound field by positioning a multi channel audio signal in a virtual sound image outside a narrow space by using a wave filed synthesis rendering. A cubic sound field reproducing device(200) includes an audio signal analyzing unit(210), a sound field synthesis rendering unit(220), and an audio reproducing unit(230). The audio signal analyzing unit analyzes the inputted multi channel audio signal, confirms the number of the channel of the audio signal, and extracts the sound source signal of the channel confirmed from the multi channel audio signal. A sound field synthesis rendering unit positions the sound source signal of the extracted channel in a virtual sound image of a narrow space by the sound field synthesis method to match the number of the channel of the confirmed audio signal. A reproducing unit reproduces a positioned virtual sound source signal.
    • 提供了一种使用合成声场来产生三次声场的装置和方法,以通过将多声道音频信号定位在狭窄空间之外的虚拟声音图像中,通过再现立体声场来在极限空间中提供宽的收听空间 通过使用波场合成渲染。 立体声场再现装置(200)包括音频信号分析单元(210),声场合成渲染单元(220)和音频再现单元(230)。 音频信号分析单元分析输入的多声道音频信号,确认音频信号的频道数,并从多声道音频信号中提取确定的频道的声源信号。 声场合成绘制单元通过声场合成方法将所提取的频道的声源信号定位在狭窄空间的虚拟声像中,以匹配确认的音频信号的频道数。 再现单元再现定位的虚拟声源信号。