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    • 5. 发明授权
    • Method and an apparatus for processing an audio signal
    • 用于处理音频信号的方法和装置
    • US08930199B2
    • 2015-01-06
    • US13391992
    • 2010-09-17
    • Hyen-O OhChang Heon LeeHong Goo KangJeongook Song
    • Hyen-O OhChang Heon LeeHong Goo KangJeongook Song
    • G10L19/04G10L19/00G10L19/18G10L19/022G10L19/16G11B20/00G11B20/10
    • G10L19/00G10L19/022G10L19/04G10L19/167G10L19/18G11B20/00007G11B2020/00028G11B2020/10546
    • A method of processing an audio signal is disclosed. The present invention includes receiving, by an audio processing apparatus, coding identification information indicating whether to apply a first coding scheme or a second coding scheme to a current frame; when the coding identification information indicates that the second coding scheme is applied to the current frame, receiving window type information indicating a particular window for the current frame, from among a plurality of windows; identifying that a current window is a long stop window based on the window type information, wherein the long stop window is followed by only long window of a following frame, wherein the long stop window includes a gentle long stop window and a steep long stop window; and, when the first coding scheme is applied to a previous frame, applying the gentle long stop window to the current frame, wherein: the gentle long stop window comprise an ascending line with first slope, the steep long stop window comprise an ascending line with second slope, and, the first slope is gentler than the second slope.
    • 公开了一种处理音频信号的方法。 本发明包括由音频处理装置接收指示是否对当前帧应用第一编码方案或第二编码方案的编码标识信息; 当编码识别信息指示第二编码方案被应用于当前帧时,从多个窗口中接收指示当前帧的特定窗口的窗口类型信息; 基于所述窗口类型信息识别当前窗口是长时间停止窗口,其中所述长停止窗口后面仅是后续框架的长窗口,其中所述长停止窗口包括平缓的长停止窗口和陡峭的长停止窗口 ; 并且当将第一编码方案应用于先前帧时,将柔和的长时间窗口应用于当前帧,其中:平缓的长停止窗口包括具有第一斜率的上行线,陡峭的长停止窗口包括具有 第二斜坡,第一斜坡比第二斜坡慢。
    • 6. 发明申请
    • METHOD AND AN APPARATUS FOR PROCESSING AN AUDIO SIGNAL
    • 用于处理音频信号的方法和装置
    • US20120239408A1
    • 2012-09-20
    • US13391992
    • 2010-09-17
    • Hyen-O OhChang Heon LeeHong Goo KangJeongook Song
    • Hyen-O OhChang Heon LeeHong Goo KangJeongook Song
    • G10L19/04
    • G10L19/00G10L19/022G10L19/04G10L19/167G10L19/18G11B20/00007G11B2020/00028G11B2020/10546
    • A method of processing an audio signal is disclosed. The present invention includes receiving, by an audio processing apparatus, coding identification information indicating whether to apply a first coding scheme or a second coding scheme to a current frame; when the coding identification information indicates that the second coding scheme is applied to the current frame, receiving window type information indicating a particular window for the current frame, from among a plurality of windows; identifying that a current window is a long stop window based on the window type information, wherein the long stop window is followed by only long window of a following frame, wherein the long stop window includes a gentle long stop window and a steep long stop window; and, when the first coding scheme is applied to a previous frame, applying the gentle long stop window to the current frame, wherein: the gentle long stop window comprise an ascending line with first slope, the steep long stop window comprise an ascending line with second slope, and, the first slope is gentler than the second slope.
    • 公开了一种处理音频信号的方法。 本发明包括由音频处理装置接收指示是否对当前帧应用第一编码方案或第二编码方案的编码标识信息; 当编码识别信息指示第二编码方案被应用于当前帧时,从多个窗口中接收指示当前帧的特定窗口的窗口类型信息; 基于所述窗口类型信息识别当前窗口是长时间停止窗口,其中所述长停止窗口后面仅是后续框架的长窗口,其中所述长停止窗口包括平缓的长停止窗口和陡峭的长停止窗口 ; 并且当将第一编码方案应用于先前帧时,将柔和的长时间窗口应用于当前帧,其中:平缓的长停止窗口包括具有第一斜率的上行线,陡峭的长停止窗口包括具有 第二斜坡,第一斜坡比第二斜坡慢。