{"id":"https://openalex.org/W2128916826","doi":"https://doi.org/10.1109/icassp.2011.5947584","title":"An interference-free representation of instantaneous frequency of periodic signals and its application to F0 extraction","display_name":"An interference-free representation of instantaneous frequency of periodic signals and its application to F0 extraction","publication_year":2011,"publication_date":"2011-05-01","ids":{"openalex":"https://openalex.org/W2128916826","doi":"https://doi.org/10.1109/icassp.2011.5947584","mag":"2128916826"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2011.5947584","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2011.5947584","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5072749858","display_name":"Hideki Kawahara","orcid":"https://orcid.org/0000-0001-9360-5700"},"institutions":[{"id":"https://openalex.org/I75198481","display_name":"Wakayama University","ror":"https://ror.org/05wr49d48","country_code":"JP","type":"education","lineage":["https://openalex.org/I75198481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"H. Kawahara","raw_affiliation_strings":["Faculty of Systems Engineering, Wakayama University, Wakayama, Wakayama, Japan","Faculty of Systems Engineering, Wakayama University, 640-8510, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Systems Engineering, Wakayama University, Wakayama, Wakayama, Japan","institution_ids":["https://openalex.org/I75198481"]},{"raw_affiliation_string":"Faculty of Systems Engineering, Wakayama University, 640-8510, Japan","institution_ids":["https://openalex.org/I75198481"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078342732","display_name":"Toshio Irino","orcid":"https://orcid.org/0000-0002-7691-4189"},"institutions":[{"id":"https://openalex.org/I75198481","display_name":"Wakayama University","ror":"https://ror.org/05wr49d48","country_code":"JP","type":"education","lineage":["https://openalex.org/I75198481"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"T. Irino","raw_affiliation_strings":["Faculty of Systems Engineering, Wakayama University, Wakayama, Wakayama, Japan","Faculty of Systems Engineering, Wakayama University, 640-8510, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Systems Engineering, Wakayama University, Wakayama, Wakayama, Japan","institution_ids":["https://openalex.org/I75198481"]},{"raw_affiliation_string":"Faculty of Systems Engineering, Wakayama University, 640-8510, Japan","institution_ids":["https://openalex.org/I75198481"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075267422","display_name":"Masanori Morise","orcid":null},"institutions":[{"id":"https://openalex.org/I135768898","display_name":"Ritsumeikan University","ror":"https://ror.org/0197nmd03","country_code":"JP","type":"education","lineage":["https://openalex.org/I135768898","https://openalex.org/I4390039241"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"M. Morise","raw_affiliation_strings":["College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, Japan","College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, 525\u20108577, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, Japan","institution_ids":["https://openalex.org/I135768898"]},{"raw_affiliation_string":"College of Information Science and Engineering, Ritsumeikan University, Kusatsu, Shiga, 525\u20108577, Japan","institution_ids":["https://openalex.org/I135768898"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.5023,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.91436967,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"j90 d","issue":null,"first_page":"5420","last_page":"5423"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9994000196456909,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11309","display_name":"Music and Audio Processing","score":0.994700014591217,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10688","display_name":"Image and Signal Denoising Methods","score":0.9914000034332275,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/passband","display_name":"Passband","score":0.7181341648101807},{"id":"https://openalex.org/keywords/harmonic","display_name":"Harmonic","score":0.6684500575065613},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.6371580362319946},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.6041788458824158},{"id":"https://openalex.org/keywords/instantaneous-phase","display_name":"Instantaneous phase","score":0.5922629237174988},{"id":"https://openalex.org/keywords/band-pass-filter","display_name":"Band-pass filter","score":0.5040006041526794},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.4844236671924591},{"id":"https://openalex.org/keywords/fundamental-frequency","display_name":"Fundamental frequency","score":0.4569980502128601},{"id":"https://openalex.org/keywords/extractor","display_name":"Extractor","score":0.45054611563682556},{"id":"https://openalex.org/keywords/property","display_name":"Property (philosophy)","score":0.4496493935585022},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.44078707695007324},{"id":"https://openalex.org/keywords/harmonic-analysis","display_name":"Harmonic analysis","score":0.41193675994873047},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.40753763914108276},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.3996237814426422},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.29389524459838867},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.20402255654335022},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1561829149723053},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.14010098576545715},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.09668877720832825},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09574753046035767},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.06644976139068604}],"concepts":[{"id":"https://openalex.org/C46416853","wikidata":"https://www.wikidata.org/wiki/Q254758","display_name":"Passband","level":3,"score":0.7181341648101807},{"id":"https://openalex.org/C127934551","wikidata":"https://www.wikidata.org/wiki/Q1148098","display_name":"Harmonic","level":2,"score":0.6684500575065613},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.6371580362319946},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.6041788458824158},{"id":"https://openalex.org/C137798554","wikidata":"https://www.wikidata.org/wiki/Q6038852","display_name":"Instantaneous phase","level":3,"score":0.5922629237174988},{"id":"https://openalex.org/C147788027","wikidata":"https://www.wikidata.org/wiki/Q2718101","display_name":"Band-pass filter","level":2,"score":0.5040006041526794},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.4844236671924591},{"id":"https://openalex.org/C10513763","wikidata":"https://www.wikidata.org/wiki/Q1331774","display_name":"Fundamental frequency","level":2,"score":0.4569980502128601},{"id":"https://openalex.org/C117978034","wikidata":"https://www.wikidata.org/wiki/Q5422192","display_name":"Extractor","level":2,"score":0.45054611563682556},{"id":"https://openalex.org/C189950617","wikidata":"https://www.wikidata.org/wiki/Q937228","display_name":"Property (philosophy)","level":2,"score":0.4496493935585022},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.44078707695007324},{"id":"https://openalex.org/C131770355","wikidata":"https://www.wikidata.org/wiki/Q876215","display_name":"Harmonic analysis","level":2,"score":0.41193675994873047},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.40753763914108276},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.3996237814426422},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.29389524459838867},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.20402255654335022},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1561829149723053},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.14010098576545715},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.09668877720832825},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09574753046035767},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.06644976139068604},{"id":"https://openalex.org/C21880701","wikidata":"https://www.wikidata.org/wiki/Q2144042","display_name":"Process engineering","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2011.5947584","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2011.5947584","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W1926680708","https://openalex.org/W2106822551","https://openalex.org/W2131062138","https://openalex.org/W2132085292","https://openalex.org/W2141684970","https://openalex.org/W2169791062","https://openalex.org/W2188563164","https://openalex.org/W2556247670","https://openalex.org/W3151807103","https://openalex.org/W4235716345"],"related_works":["https://openalex.org/W2127120502","https://openalex.org/W2905567918","https://openalex.org/W4312347363","https://openalex.org/W2133763973","https://openalex.org/W2182911768","https://openalex.org/W2183720330","https://openalex.org/W4200094770","https://openalex.org/W1916910924","https://openalex.org/W2153541119","https://openalex.org/W2128916826"],"abstract_inverted_index":{"An":[0,81],"interference-free":[1],"representation":[2,58,90],"of":[3,7,11,22,33,77,84,96],"the":[4,30,34,43,60],"instantaneous":[5,20,66],"frequency":[6,21,67],"constituent":[8],"harmonic":[9,40,79],"components":[10,41],"periodic":[12,74],"signals":[13,75],"is":[14,70,91],"introduced.":[15],"The":[16,56],"power":[17],"weighted":[18],"average":[19],"a":[23,52],"band-pass":[24],"filter":[25,35],"yields":[26],"this":[27,89],"property":[28],"when":[29],"effective":[31],"passband":[32],"covers":[36],"up":[37],"to":[38,72],"two":[39,44],"and":[42,69],"windows":[45],"used":[46],"in":[47,64],"averaging":[48],"are":[49],"separated":[50],"by":[51],"half":[53],"pitch":[54],"period.":[55],"proposed":[57],"eliminates":[59],"abrupt":[61],"changes":[62],"found":[63],"usual":[65],"representations":[68],"applicable":[71],"any":[73],"consisting":[76],"multiple":[78],"components.":[80],"F0":[82],"extractor":[83],"voiced":[85],"sounds":[86],"based":[87],"on":[88],"introduced":[92],"as":[93],"an":[94],"example":[95],"prospective":[97],"applications.":[98]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":4}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}