{"id":"https://openalex.org/W2135095411","doi":"https://doi.org/10.1109/icassp.2004.1326367","title":"Novel approach to AM-FM decomposition with applications to speech and music analysis","display_name":"Novel approach to AM-FM decomposition with applications to speech and music analysis","publication_year":2004,"publication_date":"2004-09-28","ids":{"openalex":"https://openalex.org/W2135095411","doi":"https://doi.org/10.1109/icassp.2004.1326367","mag":"2135095411"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2004.1326367","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2004.1326367","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE International Conference on Acoustics, Speech, and Signal Processing","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/A5064705369","display_name":"S. Chandra Sekhar","orcid":null},"institutions":[{"id":"https://openalex.org/I59270414","display_name":"Indian Institute of Science Bangalore","ror":"https://ror.org/04dese585","country_code":"IN","type":"education","lineage":["https://openalex.org/I59270414"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"S.C. Sekhar","raw_affiliation_strings":["Department of Electrical Communication Engineeringineering, Indian Institute of Science, Bangalore, India","Dept. of Electr. Commun. Eng., Indian Inst. of Sci., Bangalore, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Communication Engineeringineering, Indian Institute of Science, Bangalore, India","institution_ids":["https://openalex.org/I59270414"]},{"raw_affiliation_string":"Dept. of Electr. Commun. Eng., Indian Inst. of Sci., Bangalore, India","institution_ids":["https://openalex.org/I59270414"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5069425803","display_name":"T.V. Sreenivas","orcid":null},"institutions":[{"id":"https://openalex.org/I59270414","display_name":"Indian Institute of Science Bangalore","ror":"https://ror.org/04dese585","country_code":"IN","type":"education","lineage":["https://openalex.org/I59270414"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"T.V. Sreenivas","raw_affiliation_strings":["Department of Electrical Communication Engineeringineering, Indian Institute of Science, Bangalore, India","Dept. of Electr. Commun. Eng., Indian Inst. of Sci., Bangalore, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical Communication Engineeringineering, Indian Institute of Science, Bangalore, India","institution_ids":["https://openalex.org/I59270414"]},{"raw_affiliation_string":"Dept. of Electr. Commun. Eng., Indian Inst. of Sci., Bangalore, India","institution_ids":["https://openalex.org/I59270414"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I59270414"],"apc_list":null,"apc_paid":null,"fwci":0.2594,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.4712094,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"2","issue":null,"first_page":"ii","last_page":"753"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9984999895095825,"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/T11447","display_name":"Blind Source Separation Techniques","score":0.9984999895095825,"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":0.9955999851226807,"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"}},{"id":"https://openalex.org/T12300","display_name":"Advanced Electrical Measurement Techniques","score":0.9768000245094299,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/demodulation","display_name":"Demodulation","score":0.7127020359039307},{"id":"https://openalex.org/keywords/am/fm/gis","display_name":"AM/FM/GIS","score":0.7039437294006348},{"id":"https://openalex.org/keywords/frequency-modulation","display_name":"Frequency modulation","score":0.6281147003173828},{"id":"https://openalex.org/keywords/band-pass-filter","display_name":"Band-pass filter","score":0.5955678820610046},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5775870084762573},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.5363719463348389},{"id":"https://openalex.org/keywords/energy-operator","display_name":"Energy operator","score":0.5348559617996216},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.5337957143783569},{"id":"https://openalex.org/keywords/time\u2013frequency-analysis","display_name":"Time\u2013frequency analysis","score":0.519698441028595},{"id":"https://openalex.org/keywords/instantaneous-phase","display_name":"Instantaneous phase","score":0.512094259262085},{"id":"https://openalex.org/keywords/amplitude-modulation","display_name":"Amplitude modulation","score":0.48474451899528503},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.48171550035476685},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4697972238063812},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4510487914085388},{"id":"https://openalex.org/keywords/envelope","display_name":"Envelope (radar)","score":0.45027273893356323},{"id":"https://openalex.org/keywords/spectral-envelope","display_name":"Spectral envelope","score":0.4404328465461731},{"id":"https://openalex.org/keywords/filter","display_name":"Filter (signal processing)","score":0.4305543899536133},{"id":"https://openalex.org/keywords/radio-frequency","display_name":"Radio frequency","score":0.313763827085495},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.3123290538787842},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3103938400745392},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.24265050888061523},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15078622102737427},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.1391986608505249},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.11933505535125732},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11774903535842896},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.10057193040847778}],"concepts":[{"id":"https://openalex.org/C195251586","wikidata":"https://www.wikidata.org/wiki/Q1185939","display_name":"Demodulation","level":3,"score":0.7127020359039307},{"id":"https://openalex.org/C148162668","wikidata":"https://www.wikidata.org/wiki/Q483130","display_name":"AM/FM/GIS","level":4,"score":0.7039437294006348},{"id":"https://openalex.org/C11930861","wikidata":"https://www.wikidata.org/wiki/Q181417","display_name":"Frequency modulation","level":3,"score":0.6281147003173828},{"id":"https://openalex.org/C147788027","wikidata":"https://www.wikidata.org/wiki/Q2718101","display_name":"Band-pass filter","level":2,"score":0.5955678820610046},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5775870084762573},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.5363719463348389},{"id":"https://openalex.org/C19579662","wikidata":"https://www.wikidata.org/wiki/Q461145","display_name":"Energy operator","level":3,"score":0.5348559617996216},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.5337957143783569},{"id":"https://openalex.org/C142433447","wikidata":"https://www.wikidata.org/wiki/Q7806653","display_name":"Time\u2013frequency analysis","level":3,"score":0.519698441028595},{"id":"https://openalex.org/C137798554","wikidata":"https://www.wikidata.org/wiki/Q6038852","display_name":"Instantaneous phase","level":3,"score":0.512094259262085},{"id":"https://openalex.org/C201905106","wikidata":"https://www.wikidata.org/wiki/Q183755","display_name":"Amplitude modulation","level":4,"score":0.48474451899528503},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.48171550035476685},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4697972238063812},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4510487914085388},{"id":"https://openalex.org/C65155139","wikidata":"https://www.wikidata.org/wiki/Q5380912","display_name":"Envelope (radar)","level":3,"score":0.45027273893356323},{"id":"https://openalex.org/C54926389","wikidata":"https://www.wikidata.org/wiki/Q7575188","display_name":"Spectral envelope","level":2,"score":0.4404328465461731},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.4305543899536133},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.313763827085495},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.3123290538787842},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3103938400745392},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.24265050888061523},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15078622102737427},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1391986608505249},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.11933505535125732},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11774903535842896},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.10057193040847778},{"id":"https://openalex.org/C159620131","wikidata":"https://www.wikidata.org/wiki/Q1938983","display_name":"Spatial analysis","level":2,"score":0.0},{"id":"https://openalex.org/C203689450","wikidata":"https://www.wikidata.org/wiki/Q2302053","display_name":"Spatial database","level":3,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2004.1326367","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2004.1326367","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE International Conference on Acoustics, Speech, and Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:eprints.iisc.ac.in:4489","is_oa":false,"landing_page_url":null,"pdf_url":null,"source":{"id":"https://openalex.org/S4377196309","display_name":"NOT FOUND REPOSITORY (Indian Institute of Science Bangalore)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I59270414","host_organization_name":"Indian Institute of Science Bangalore","host_organization_lineage":["https://openalex.org/I59270414"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.41999998688697815,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W2108072369","https://openalex.org/W2114537326","https://openalex.org/W2134250585"],"related_works":["https://openalex.org/W2171496803","https://openalex.org/W2321462252","https://openalex.org/W2051502363","https://openalex.org/W2058655725","https://openalex.org/W2389641396","https://openalex.org/W2362468838","https://openalex.org/W2161264473","https://openalex.org/W2031584938","https://openalex.org/W1515577744","https://openalex.org/W2356737465"],"abstract_inverted_index":{"We":[0],"present":[1],"a":[2,9,37,51,107],"new":[3],"zero-crossing":[4,33],"based":[5],"algorithm":[6,67,80],"for":[7],"decomposing":[8],"bandpass":[10,93],"signal":[11],"into":[12],"the":[13,26,57,65,77,84,89,101],"amplitude":[14],"modulation":[15,19],"(AM)":[16],"and":[17,72,96],"frequency":[18,73],"(FM)":[20],"components.":[21],"In":[22],"this":[23],"sequential":[24],"algorithm,":[25],"FM":[27],"component":[28,44],"is":[29,45],"first":[30],"estimated":[31,46,58],"using":[32,50],"instant":[34],"information":[35],"in":[36],"k-nearest":[38],"neighbour":[39],"(k-NN)":[40],"framework.":[41],"The":[42],"AM":[43],"by":[47],"coherent":[48],"demodulation":[49],"time-varying":[52],"lowpass":[53],"filter":[54],"that":[55,64,104],"uses":[56,83],"instantaneous":[59],"frequency.":[60],"Simulation":[61],"results":[62],"show":[63],"proposed":[66,90],"gives":[68],"more":[69],"accurate":[70],"envelope":[71],"estimates":[74],"compared":[75],"to":[76],"discrete-energy":[78],"separation":[79],"(DESA)":[81],"which":[82],"Teager":[85],"energy":[86],"operator.":[87],"Using":[88],"approach":[91],"on":[92,106],"filtered":[94],"speech":[95],"music,":[97],"we":[98],"can":[99],"extract":[100],"fine-structured":[102],"modulations":[103],"occur":[105],"micro-time":[108],"scale,":[109],"within":[110],"an":[111],"analysis":[112],"frame.":[113]},"counts_by_year":[{"year":2019,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2012,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
