专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20100017034A1 BEAT TRACKING APPARATUS, BEAT TRACKING METHOD, RECORDING MEDIUM, BEAT TRACKING PROGRAM, AND ROBOT 有权
标题翻译： BEAT跟踪装置，BEAT跟踪方法，记录介质，BEAT跟踪程序和机器人
公开(公告)号：US20100017034A1
公开(公告)日：2010-01-21
申请号：US12503431
申请日：2009-07-15
申请人： Kazuhiro NAKADAI , Yuji HASEGAWA , Hiroshi TSUJINO , Kazumasa MURATA , Ryu TAKEDA , Hiroshi OKUNO
发明人： Kazuhiro NAKADAI , Yuji HASEGAWA , Hiroshi TSUJINO , Kazumasa MURATA , Ryu TAKEDA , Hiroshi OKUNO
IPC分类号： G05B15/00 , G10H1/40
CPC分类号： G10H1/36 , A63H3/28 , G10H1/40 , G10H2240/135 , G10H2250/371 , G10H2250/455
摘要： A beat tracking apparatus includes: a filtering unit configured to perform a filtering process on an input acoustic signal and to accentuate an onset; a beat interval reliability calculating unit configured to perform a time-frequency pattern matching process employing a mutual correlation function on the acoustic signal of which the onset is accentuated and to calculate a beat interval reliability; and a beat interval estimating unit configured to estimate a beat interval on the basis of the calculated beat interval reliability.
摘要翻译：拍子跟踪装置包括：滤波单元，被配置为对输入的声信号执行滤波处理并加重起点; 拍子间隔可靠性计算单元，被配置为对所述开始强调的声学信号执行采用相互关联函数的时间 - 频率模式匹配处理，并且计算拍子间隔可靠性; 以及拍摄间隔估计单元，被配置为基于所计算的拍子间隔可靠性来估计拍子间隔。

2. 发明申请

US20110268283A1 REVERBERATION SUPPRESSING APPARATUS AND REVERBERATION SUPPRESSING METHOD 有权
标题翻译：反转抑制装置和反射抑制方法
公开(公告)号：US20110268283A1
公开(公告)日：2011-11-03
申请号：US13036937
申请日：2011-02-28
申请人： Kazuhiro NAKADAI , Ryu TAKEDA , Hiroshi OKUNO
发明人： Kazuhiro NAKADAI , Ryu TAKEDA , Hiroshi OKUNO
IPC分类号： H04R29/00
CPC分类号： H04R3/04 , H04S7/305
摘要： A reverberation suppressing apparatus, includes: a sound acquiring unit which acquires a sound signal; a reverberation data computing unit which computes reverberation data from the acquired sound signal; a reverberation characteristics estimating unit which estimates reverberation characteristics based on the computed reverberation data; a filter length estimating unit which estimates a filter length of a filter which is used to suppress a reverberation based on the estimated reverberation characteristics; and a reverberation suppressing unit which suppresses the reverberation based on the estimated filter length.
摘要翻译：一种混响抑制装置，包括：声音获取单元，其获取声音信号; 混响数据计算单元，其从所获取的声音信号计算混响数据; 混响特性估计单元，其基于所计算的混响数据来估计混响特性; 滤波器长度估计单元，其基于估计的混响特性来估计用于抑制混响的滤波器的滤波器长度; 以及基于估计的滤波器长度来抑制混响的混响抑制单元。

3. 发明申请

US20100329472A1 REVERBERATION SUPPRESSING APPARATUS AND REVERBERATION SUPPRESSING METHOD 有权
标题翻译：反转抑制装置和反射抑制方法
公开(公告)号：US20100329472A1
公开(公告)日：2010-12-30
申请号：US12791428
申请日：2010-06-01
申请人： Kazuhiro NAKADAI , Hirofumi NAKAJIMA , Hiroshi OKUNO , Ryu TAKEDA
发明人： Kazuhiro NAKADAI , Hirofumi NAKAJIMA , Hiroshi OKUNO , Ryu TAKEDA
IPC分类号： H04B3/20
CPC分类号： H04M9/082
摘要： A reverberation suppressing apparatus separating sound source signals based on input signals output from microphones collecting the plurality of sound source signals, includes a sound signal output unit generating sound signals and outputting the generated sound signals, a sound acquiring unit acquiring the input signals from microphones, a first evaluation function calculation unit calculating a separation matrix, the input signals, and the sound source signals, and calculating a first evaluation function, a reverberation component suppressing unit calculating an optimal separation matrix, and suppressing a reverberation component by separating the sound source signals other than the generated sound signals, and a separation matrix updating unit dividing a step-size function, approximating each segment to a linear function, calculating step sizes based on the approximated linear functions, and repeatedly updating the separation matrix so that the degree of separation of the sound source signals exceeds the predetermined value.
摘要翻译：基于从收集多个声源信号的麦克风输出的输入信号分离声源信号的混响抑制装置包括产生声音信号并输出所生成的声音信号的声音信号输出单元，从麦克风获取输入信号的声音获取单元，第一评估函数计算单元，计算分离矩阵，输入信号和声源信号，并计算第一评估函数，混响分量抑制单元计算最佳分离矩阵，并通过分离声源信号来抑制混响分量除了产生的声音信号之外，还有分离矩阵更新单元，将步长函数除以近似线性函数，根据近似线性函数计算步长，并重复更新分离矩阵，使得分离度的声音很酸 ce信号超过预定值。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式