基本信息:
- 专利标题: SOUND SOURCE DETECTION SYSTEM
- 专利标题(中):声源检测系统
- 申请号:PCT/IB2012/001821 申请日:2012-09-19
- 公开(公告)号:WO2013041939A1 公开(公告)日:2013-03-28
- 发明人: FUNAYAMA, Ryuji , SATO, Jun , YAMAMOTO, Osami , ASAHI, Kensaku , BANNO, Hideki , YAMADA, Keiichi , OGAWA, Akira , TANAKA, Yuichi , HOSHINO, Hiroyuki
- 申请人: TOYOTA JIDOSHA KABUSHIKI KAISHA , MEIJO UNIVERSITY , FUNAYAMA, Ryuji , SATO, Jun , YAMAMOTO, Osami , ASAHI, Kensaku , BANNO, Hideki , YAMADA, Keiichi , OGAWA, Akira , TANAKA, Yuichi , HOSHINO, Hiroyuki
- 申请人地址: 1, Toyota-cho Toyota-shi Aichi-ken, 471-8571 JP
- 专利权人: TOYOTA JIDOSHA KABUSHIKI KAISHA,MEIJO UNIVERSITY,FUNAYAMA, Ryuji,SATO, Jun,YAMAMOTO, Osami,ASAHI, Kensaku,BANNO, Hideki,YAMADA, Keiichi,OGAWA, Akira,TANAKA, Yuichi,HOSHINO, Hiroyuki
- 当前专利权人: TOYOTA JIDOSHA KABUSHIKI KAISHA,MEIJO UNIVERSITY,FUNAYAMA, Ryuji,SATO, Jun,YAMAMOTO, Osami,ASAHI, Kensaku,BANNO, Hideki,YAMADA, Keiichi,OGAWA, Akira,TANAKA, Yuichi,HOSHINO, Hiroyuki
- 当前专利权人地址: 1, Toyota-cho Toyota-shi Aichi-ken, 471-8571 JP
- 优先权: JP2011-205151 20110920
- 主分类号: G01S3/808
- IPC分类号: G01S3/808 ; G01S11/14
摘要:
A sound source detection system for detecting a sound source (e.g., running sound of a vehicle) based on sound collected by microphones extracts characteristic amounts from the sound collected by the microphones, sets a plurality of classes according to the position of the sound source by a multi-class pattern recognition method (e.g., multi-class SVM) using the characteristic amounts, extracts characteristic amounts from sound collected by the microphones for detection of a sound source, determines a class to which the extracted characteristic amounts belong, from the preset plurality of classes, and estimates the sound source based on the class.
摘要(中):
用于基于由麦克风收集的声音来检测声源(例如,车辆的运行声音)的声源检测系统从麦克风收集的声音中提取特征量,根据声源的位置根据声源的位置设置多个等级 使用特征量的多类别模式识别方法(例如,多类SVM)从用于检测声源的麦克风收集的声音中提取特征量,从预设中确定提取的特征量所属的类别 多个类,并根据课程估计声源。
IPC结构图谱:
G | 物理 |
--G01 | 测量;测试 |
----G01S | 无线电定向;无线电导航;采用无线电波测距或测速;采用无线电波的反射或再辐射的定位或存在检测;采用其他波的类似装置 |
------G01S3/00 | 由方向上无重要性的次声波、声波、超声波或电磁波或者粒子发射来测定方向的定向器 |
--------G01S3/02 | .利用无线电波的 |
----------G01S3/802 | ..确定方向或确定相对于预定方向的偏移的系统 |
------------G01S3/808 | ...使用分开的发射器,并测量各信号间的相位或时间差,即路径差系统 |