HK1199486A1 - System and method for analyzing audio information to determine pitch and or fractional chirp rate - Google Patents

System and method for analyzing audio information to determine pitch and or fractional chirp rate

Info

Publication number
HK1199486A1
HK1199486A1 HK14112924.0A HK14112924A HK1199486A1 HK 1199486 A1 HK1199486 A1 HK 1199486A1 HK 14112924 A HK14112924 A HK 14112924A HK 1199486 A1 HK1199486 A1 HK 1199486A1
Authority
HK
Hong Kong
Prior art keywords
audio information
chirp rate
analyzing audio
fractional chirp
determine pitch
Prior art date
Application number
HK14112924.0A
Other languages
English (en)
Chinese (zh)
Inventor
大衛．
．布蘭得利
尼古拉斯．
．費舍爾
羅伯特．
．希爾頓
羅德尼．加托
德里克．
．魯斯
Original Assignee
Intellisis Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Intellisis Corp filed Critical Intellisis Corp
Publication of HK1199486A1 publication Critical patent/HK1199486A1/xx

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/90—Pitch determination of speech signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Auxiliary Devices For Music (AREA)
HK14112924.0A 2011-08-08 2014-12-24 System and method for analyzing audio information to determine pitch and or fractional chirp rate HK1199486A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/205,455 US20130041489A1 (en) 2011-08-08 2011-08-08 System And Method For Analyzing Audio Information To Determine Pitch And/Or Fractional Chirp Rate
PCT/US2012/049901 WO2013022914A1 (en) 2011-08-08 2012-08-08 System and method for analyzing audio information to determine pitch and/or fractional chirp rate

Publications (1)

Publication Number Publication Date
HK1199486A1 true HK1199486A1 (en) 2015-07-03

Family

ID=47668896

Family Applications (2)

Application Number Title Priority Date Filing Date
HK14112603.8A HK1199092A1 (zh) 2011-08-08 2014-12-16 用於分析音頻信息以確定音高和/或分數線性調頻斜率的系統及方法
HK14112924.0A HK1199486A1 (en) 2011-08-08 2014-12-24 System and method for analyzing audio information to determine pitch and or fractional chirp rate

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK14112603.8A HK1199092A1 (zh) 2011-08-08 2014-12-16 用於分析音頻信息以確定音高和/或分數線性調頻斜率的系統及方法

Country Status (7)

Country Link
US (2) US20130041489A1 (xx)
EP (1) EP2742331B1 (xx)
KR (1) KR20140074292A (xx)
CN (1) CN103959031A (xx)
CA (1) CA2847686A1 (xx)
HK (2) HK1199092A1 (xx)
WO (1) WO2013022914A1 (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8849663B2 (en) * 2011-03-21 2014-09-30 The Intellisis Corporation Systems and methods for segmenting and/or classifying an audio signal from transformed audio information
US9142220B2 (en) 2011-03-25 2015-09-22 The Intellisis Corporation Systems and methods for reconstructing an audio signal from transformed audio information
US9183850B2 (en) 2011-08-08 2015-11-10 The Intellisis Corporation System and method for tracking sound pitch across an audio signal
US8548803B2 (en) 2011-08-08 2013-10-01 The Intellisis Corporation System and method of processing a sound signal including transforming the sound signal into a frequency-chirp domain
US8620646B2 (en) 2011-08-08 2013-12-31 The Intellisis Corporation System and method for tracking sound pitch across an audio signal using harmonic envelope
US9548067B2 (en) * 2014-09-30 2017-01-17 Knuedge Incorporated Estimating pitch using symmetry characteristics
US9922668B2 (en) 2015-02-06 2018-03-20 Knuedge Incorporated Estimating fractional chirp rate with multiple frequency representations
US9870785B2 (en) 2015-02-06 2018-01-16 Knuedge Incorporated Determining features of harmonic signals
US9842611B2 (en) 2015-02-06 2017-12-12 Knuedge Incorporated Estimating pitch using peak-to-peak distances
TWI542325B (zh) * 2015-05-14 2016-07-21 國立中央大學 睡眠呼吸中止阻塞位置之判斷方法及系統
EP3306609A1 (en) * 2016-10-04 2018-04-11 Fraunhofer Gesellschaft zur Förderung der Angewand Apparatus and method for determining a pitch information

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01257233A (ja) * 1988-04-06 1989-10-13 Fujitsu Ltd 信号検出方法
US5321636A (en) * 1989-03-03 1994-06-14 U.S. Philips Corporation Method and arrangement for determining signal pitch
GB2375028B (en) * 2001-04-24 2003-05-28 Motorola Inc Processing speech signals
SG120121A1 (en) * 2003-09-26 2006-03-28 St Microelectronics Asia Pitch detection of speech signals
DE102004046746B4 (de) * 2004-09-27 2007-03-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Synchronisieren von Zusatzdaten und Basisdaten
KR100590561B1 (ko) * 2004-10-12 2006-06-19 삼성전자주식회사 신호의 피치를 평가하는 방법 및 장치
JP2007226935A (ja) * 2006-01-24 2007-09-06 Sony Corp 音響再生装置、音響再生方法および音響再生プログラム

Also Published As

Publication number Publication date
CN103959031A (zh) 2014-07-30
KR20140074292A (ko) 2014-06-17
EP2742331B1 (en) 2016-04-06
HK1199092A1 (zh) 2015-06-19
CA2847686A1 (en) 2013-02-14
EP2742331A1 (en) 2014-06-18
WO2013022914A1 (en) 2013-02-14
US20130041489A1 (en) 2013-02-14
US20190122693A1 (en) 2019-04-25
EP2742331A4 (en) 2015-03-18

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