CN1151490C - High-accuracy high-resolution base frequency extracting method for speech recognization - Google Patents
High-accuracy high-resolution base frequency extracting method for speech recognizationInfo
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- CN1151490C CN1151490C CNB001247115A CN00124711A CN1151490C CN 1151490 C CN1151490 C CN 1151490C CN B001247115 A CNB001247115 A CN B001247115A CN 00124711 A CN00124711 A CN 00124711A CN 1151490 C CN1151490 C CN 1151490C
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- 238000006243 chemical reaction Methods 0.000 claims description 6
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- 230000011218 segmentation Effects 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 abstract description 11
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- 238000000605 extraction Methods 0.000 description 8
- 238000005311 autocorrelation function Methods 0.000 description 6
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- 238000010183 spectrum analysis Methods 0.000 description 4
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CNB001247115A CN1151490C (en) | 2000-09-13 | 2000-09-13 | High-accuracy high-resolution base frequency extracting method for speech recognization |
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CNB001247115A CN1151490C (en) | 2000-09-13 | 2000-09-13 | High-accuracy high-resolution base frequency extracting method for speech recognization |
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CN1342968A CN1342968A (en) | 2002-04-03 |
CN1151490C true CN1151490C (en) | 2004-05-26 |
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Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100580768C (en) * | 2005-08-08 | 2010-01-13 | 中国科学院声学研究所 | Voiced sound detection method based on harmonic characteristic |
KR100762596B1 (en) * | 2006-04-05 | 2007-10-01 | 삼성전자주식회사 | Speech signal pre-processing system and speech signal feature information extracting method |
CN1835075B (en) * | 2006-04-07 | 2011-06-29 | 安徽中科大讯飞信息科技有限公司 | Speech synthetizing method combined natural sample selection and acaustic parameter to build mould |
CN101030375B (en) * | 2007-04-13 | 2011-01-26 | 清华大学 | Method for extracting base-sound period based on dynamic plan |
CN101727902B (en) * | 2008-10-29 | 2011-08-10 | 中国科学院自动化研究所 | Method for estimating tone |
CN102176313B (en) * | 2009-10-10 | 2012-07-25 | 北京理工大学 | Formant-frequency-based Mandarin single final vioce visualizing method |
CN102163428A (en) * | 2011-01-19 | 2011-08-24 | 无敌科技(西安)有限公司 | Method for judging Chinese pronunciation |
WO2012103686A1 (en) * | 2011-02-01 | 2012-08-09 | Huawei Technologies Co., Ltd. | Method and apparatus for providing signal processing coefficients |
CN102842305B (en) * | 2011-06-22 | 2014-06-25 | 华为技术有限公司 | Method and device for detecting keynote |
CN103366736A (en) * | 2012-03-29 | 2013-10-23 | 北京中传天籁数字技术有限公司 | Phonetic tone identification method and phonetic tone identification apparatus |
CN104251934B (en) * | 2013-06-26 | 2018-08-14 | 华为技术有限公司 | Harmonic analysis method and device and the method and apparatus for determining clutter between harmonic wave |
CN103680518A (en) * | 2013-12-20 | 2014-03-26 | 上海电机学院 | Voice gender recognition method and system based on virtual instrument technology |
CN103871417A (en) * | 2014-03-25 | 2014-06-18 | 北京工业大学 | Specific continuous voice filtering method and device of mobile phone |
CN103943104B (en) * | 2014-04-15 | 2017-03-01 | 海信集团有限公司 | A kind of voice messaging knows method for distinguishing and terminal unit |
CN106659428B (en) * | 2014-04-28 | 2020-10-16 | 麻省理工学院 | Vital signs monitoring by radio reflection |
CN104200818A (en) * | 2014-08-06 | 2014-12-10 | 重庆邮电大学 | Pitch detection method |
CN104217722B (en) * | 2014-08-22 | 2017-07-11 | 哈尔滨工程大学 | A kind of dolphin whistle signal time-frequency spectrum contour extraction method |
CN109410980A (en) * | 2016-01-22 | 2019-03-01 | 大连民族大学 | A kind of application of fundamental frequency estimation algorithm in the fundamental frequency estimation of all kinds of signals with harmonic structure |
CN107045875B (en) * | 2016-02-03 | 2019-12-06 | 重庆工商职业学院 | fundamental tone frequency detection method based on genetic algorithm |
CN106205638B (en) * | 2016-06-16 | 2019-11-08 | 清华大学 | A kind of double-deck fundamental tone feature extracting method towards audio event detection |
US10989803B1 (en) | 2017-08-21 | 2021-04-27 | Massachusetts Institute Of Technology | Security protocol for motion tracking systems |
CN107833581B (en) * | 2017-10-20 | 2021-04-13 | 广州酷狗计算机科技有限公司 | Method, device and readable storage medium for extracting fundamental tone frequency of sound |
CN108447505B (en) * | 2018-05-25 | 2019-11-05 | 百度在线网络技术(北京)有限公司 | Audio signal zero-crossing rate processing method, device and speech recognition apparatus |
CN109346109B (en) * | 2018-12-05 | 2020-02-07 | 百度在线网络技术(北京)有限公司 | Fundamental frequency extraction method and device |
CN110379438B (en) * | 2019-07-24 | 2020-05-12 | 山东省计算中心(国家超级计算济南中心) | Method and system for detecting and extracting fundamental frequency of voice signal |
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2000
- 2000-09-13 CN CNB001247115A patent/CN1151490C/en not_active Expired - Lifetime
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CN1342968A (en) | 2002-04-03 |
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Application publication date: 20020403 Assignee: The purple winter of Beijing is voice technology company limited with keen determination Assignor: Institute of Automation, Chinese Academy of Sciences Contract record no.: 2015110000014 Denomination of invention: High-accuracy high-resolution base frequency extracting method for speech recognization Granted publication date: 20040526 License type: Common License Record date: 20150519 |
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Application publication date: 20020403 Assignee: Taro Technology (Hangzhou) Co., Ltd. Assignor: The purple winter of Beijing is voice technology company limited with keen determination Contract record no.: 2015110000050 Denomination of invention: High-accuracy high-resolution base frequency extracting method for speech recognization Granted publication date: 20040526 License type: Common License Record date: 20151130 |
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