GB2391322B - Signal comparison method and apparatus - Google Patents

Signal comparison method and apparatus

Info

Publication number
GB2391322B
GB2391322B GB0217772A GB0217772A GB2391322B GB 2391322 B GB2391322 B GB 2391322B GB 0217772 A GB0217772 A GB 0217772A GB 0217772 A GB0217772 A GB 0217772A GB 2391322 B GB2391322 B GB 2391322B
Authority
GB
Grant status
Grant
Patent type
Prior art keywords
apparatus
comparison method
signal comparison
signal
method
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB0217772A
Other versions
GB2391322A (en )
GB0217772D0 (en )
Inventor
Yuan-Xing Zheng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British Broadcasting Corp
Original Assignee
British Broadcasting 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
Grant date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H20/00Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/12Arrangements for observation, testing or troubleshooting
    • H04H20/14Arrangements for observation, testing or troubleshooting for monitoring programmes
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS
    • G10H1/00Details of electrophonic musical instruments
    • G10H1/0008Associated control or indicating means
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00-G10L21/00
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04HBROADCAST COMMUNICATION
    • H04H60/00Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/56Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54
    • H04H60/58Arrangements characterised by components specially adapted for monitoring, identification or recognition covered by groups H04H60/29-H04H60/54 of audio
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS
    • G10H2210/00Aspects or methods of musical processing having intrinsic musical character, i.e. involving musical theory or musical parameters or relying on musical knowledge, as applied in electrophonic musical tools or instruments
    • G10H2210/031Musical analysis, i.e. isolation, extraction or identification of musical elements or musical parameters from a raw acoustic signal or from an encoded audio signal
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS
    • G10H2240/00Data organisation or data communication aspects, specifically adapted for electrophonic musical tools or instruments
    • G10H2240/121Musical libraries, i.e. musical databases indexed by musical parameters, wavetables, indexing schemes using musical parameters, musical rule bases or knowledge bases, e.g. for automatic composing methods
    • G10H2240/131Library retrieval, i.e. searching a database or selecting a specific musical piece, segment, pattern, rule or parameter set
    • G10H2240/141Library retrieval matching, i.e. any of the steps of matching an inputted segment or phrase with musical database contents, e.g. query by humming, singing or playing; the steps may include, e.g. musical analysis of the input, musical feature extraction, query formulation, or details of the retrieval process
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10HELECTROPHONIC MUSICAL INSTRUMENTS
    • G10H2250/00Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/025Envelope processing of music signals in, e.g. time domain, transform domain or cepstrum domain
    • G10H2250/031Spectrum envelope processing
GB0217772A 2002-07-31 2002-07-31 Signal comparison method and apparatus Expired - Fee Related GB2391322B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0217772A GB2391322B (en) 2002-07-31 2002-07-31 Signal comparison method and apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0217772A GB2391322B (en) 2002-07-31 2002-07-31 Signal comparison method and apparatus
EP20030254607 EP1387514A3 (en) 2002-07-31 2003-07-24 Signal comparison method and apparatus

Publications (3)

Publication Number Publication Date
GB0217772D0 GB0217772D0 (en) 2002-09-11
GB2391322A true GB2391322A (en) 2004-02-04
GB2391322B true GB2391322B (en) 2005-12-14

Family

ID=9941474

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0217772A Expired - Fee Related GB2391322B (en) 2002-07-31 2002-07-31 Signal comparison method and apparatus

Country Status (2)

Country Link
EP (1) EP1387514A3 (en)
GB (1) GB2391322B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050080576A1 (en) * 2003-10-10 2005-04-14 Dickerson Robert T. Method and system for frequency domain time correlation
EP2774391A4 (en) * 2011-10-31 2016-01-20 Nokia Technologies Oy Audio scene rendering by aligning series of time-varying feature data
KR101315970B1 (en) * 2012-05-23 2013-10-08 (주)엔써즈 Apparatus and method for recognizing content using audio signal

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2226718A (en) * 1988-11-17 1990-07-04 British Broadcasting Corp Aligning two audio signals
US5099456A (en) * 1990-06-13 1992-03-24 Hughes Aircraft Company Passive locating system
US5479517A (en) * 1992-12-23 1995-12-26 Daimler-Benz Ag Method of estimating delay in noise-affected voice channels

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7284255B1 (en) * 1999-06-18 2007-10-16 Steven G. Apel Audience survey system, and system and methods for compressing and correlating audio signals
EP1147511A1 (en) * 1999-07-08 2001-10-24 Constantin Alexiou Method of automatic recognition of musical compositions and sound signals
CA2809775C (en) * 1999-10-27 2017-03-21 The Nielsen Company (Us), Llc Audio signature extraction and correlation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2226718A (en) * 1988-11-17 1990-07-04 British Broadcasting Corp Aligning two audio signals
US5099456A (en) * 1990-06-13 1992-03-24 Hughes Aircraft Company Passive locating system
US5479517A (en) * 1992-12-23 1995-12-26 Daimler-Benz Ag Method of estimating delay in noise-affected voice channels

Also Published As

Publication number Publication date Type
GB2391322A (en) 2004-02-04 application
EP1387514A2 (en) 2004-02-04 application
EP1387514A3 (en) 2008-12-10 application
GB0217772D0 (en) 2002-09-11 grant

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140731