{"id":"https://openalex.org/W2144195629","doi":"https://doi.org/10.1109/icccn.2007.4317863","title":"ICA-based Noise Reduction for Mobile Phone Speech Communication","display_name":"ICA-based Noise Reduction for Mobile Phone Speech Communication","publication_year":2007,"publication_date":"2007-08-01","ids":{"openalex":"https://openalex.org/W2144195629","doi":"https://doi.org/10.1109/icccn.2007.4317863","mag":"2144195629"},"language":"en","primary_location":{"id":"doi:10.1109/icccn.2007.4317863","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icccn.2007.4317863","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 16th International Conference on Computer Communications and Networks","raw_type":"proceedings-article"},"type":"article","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/A5101957143","display_name":"Zhipeng Zhang","orcid":"https://orcid.org/0000-0002-3733-697X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhipeng Zhang","raw_affiliation_strings":["Research Laboratories, NTT Docomo, Yokosuka, Kanagawa, Japan","Res. Lab., Yokosuka"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Laboratories, NTT Docomo, Yokosuka, Kanagawa, Japan","institution_ids":[]},{"raw_affiliation_string":"Res. Lab., Yokosuka","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5059840330","display_name":"Minoru Etoh","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Minoru Etoh","raw_affiliation_strings":["Research Laboratories, NTT Docomo, Yokosuka, Kanagawa, Japan","Res. Lab., Yokosuka"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Laboratories, NTT Docomo, Yokosuka, Kanagawa, Japan","institution_ids":[]},{"raw_affiliation_string":"Res. Lab., Yokosuka","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.302,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.81824225,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"2","issue":null,"first_page":"470","last_page":"473"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":1.0,"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":1.0,"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/T10860","display_name":"Speech and Audio Processing","score":0.9993000030517578,"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/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9914000034332275,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/independent-component-analysis","display_name":"Independent component analysis","score":0.6592226624488831},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6327724456787109},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.6304396390914917},{"id":"https://openalex.org/keywords/microphone","display_name":"Microphone","score":0.6151772737503052},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.5840209722518921},{"id":"https://openalex.org/keywords/noise-reduction","display_name":"Noise reduction","score":0.5758036971092224},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.5060181021690369},{"id":"https://openalex.org/keywords/mobile-phone","display_name":"Mobile phone","score":0.4574086666107178},{"id":"https://openalex.org/keywords/speech-enhancement","display_name":"Speech enhancement","score":0.42149415612220764},{"id":"https://openalex.org/keywords/amplitude","display_name":"Amplitude","score":0.4193606674671173},{"id":"https://openalex.org/keywords/transfer-function","display_name":"Transfer function","score":0.4184337258338928},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.41190072894096375},{"id":"https://openalex.org/keywords/background-noise","display_name":"Background noise","score":0.41071081161499023},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.3550681471824646},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2774907648563385},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.26552993059158325},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21335715055465698},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.12339809536933899},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.11659547686576843}],"concepts":[{"id":"https://openalex.org/C51432778","wikidata":"https://www.wikidata.org/wiki/Q1259145","display_name":"Independent component analysis","level":2,"score":0.6592226624488831},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6327724456787109},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.6304396390914917},{"id":"https://openalex.org/C2778263558","wikidata":"https://www.wikidata.org/wiki/Q46384","display_name":"Microphone","level":3,"score":0.6151772737503052},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.5840209722518921},{"id":"https://openalex.org/C163294075","wikidata":"https://www.wikidata.org/wiki/Q581861","display_name":"Noise reduction","level":2,"score":0.5758036971092224},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.5060181021690369},{"id":"https://openalex.org/C2777421447","wikidata":"https://www.wikidata.org/wiki/Q17517","display_name":"Mobile phone","level":2,"score":0.4574086666107178},{"id":"https://openalex.org/C2776182073","wikidata":"https://www.wikidata.org/wiki/Q7575395","display_name":"Speech enhancement","level":3,"score":0.42149415612220764},{"id":"https://openalex.org/C180205008","wikidata":"https://www.wikidata.org/wiki/Q159190","display_name":"Amplitude","level":2,"score":0.4193606674671173},{"id":"https://openalex.org/C81299745","wikidata":"https://www.wikidata.org/wiki/Q334269","display_name":"Transfer function","level":2,"score":0.4184337258338928},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.41190072894096375},{"id":"https://openalex.org/C100675267","wikidata":"https://www.wikidata.org/wiki/Q1371624","display_name":"Background noise","level":2,"score":0.41071081161499023},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.3550681471824646},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2774907648563385},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.26552993059158325},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21335715055465698},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12339809536933899},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11659547686576843},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C68115822","wikidata":"https://www.wikidata.org/wiki/Q1068172","display_name":"Sound pressure","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"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/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icccn.2007.4317863","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icccn.2007.4317863","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 16th International Conference on Computer Communications and Networks","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.699999988079071}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1575031575","https://openalex.org/W1963844140","https://openalex.org/W2105909330","https://openalex.org/W2107570138","https://openalex.org/W2114854196","https://openalex.org/W2115167285","https://openalex.org/W2139896607","https://openalex.org/W6680731341"],"related_works":["https://openalex.org/W2396048001","https://openalex.org/W2905188205","https://openalex.org/W1559044324","https://openalex.org/W2135485548","https://openalex.org/W2373767407","https://openalex.org/W2187949121","https://openalex.org/W67128905","https://openalex.org/W2162449135","https://openalex.org/W2376606440","https://openalex.org/W2251439150"],"abstract_inverted_index":{"We":[0],"propose":[1],"a":[2,49,58,105],"frequency-domain":[3],"independent":[4],"component":[5],"analysis":[6],"(ICA)":[7],"with":[8],"robust":[9],"and":[10,81],"computationally-light":[11],"post":[12],"processing":[13],"method":[14],"for":[15],"background":[16],"noise":[17,35,115,125],"reduction":[18,36,116],"in":[19,53,83,123],"mobile":[20],"phone":[21],"speech":[22,119],"communication.":[23],"In":[24],"our":[25,45],"scenario,":[26],"multi-source":[27],"signal":[28],"separation":[29],"is":[30,37,88],"not":[31],"the":[32,38,61,65,72,84,98,101,113],"target,":[33],"but":[34],"primal":[39,42],"one.":[40],"This":[41],"target":[43],"characterizes":[44],"approach":[46],"that":[47,71,92,112],"promotes":[48],"new":[50],"physical":[51],"constraint,":[52],"other":[54],"words,":[55],"we":[56],"place":[57],"restriction":[59],"on":[60],"amplitude":[62,95],"range":[63],"of":[64],"transfer":[66,93],"functions":[67],"rather":[68],"than":[69],"assuming":[70],"amplitudes":[73],"are":[74,78],"constant.":[75],"When":[76],"there":[77],"diffraction,":[79],"obstacles":[80],"reflections":[82],"real-world":[85],"environment,":[86],"it":[87],"better":[89],"to":[90,100],"assume":[91],"function":[94],"(derived":[96],"from":[97],"distance":[99],"mouth)":[102],"varies":[103],"within":[104],"certain":[106],"range.":[107],"Our":[108],"two-microphone":[109],"experiment":[110],"shows":[111],"ICA-based":[114],"significantly":[117],"improves":[118],"recognition":[120],"performance":[121],"especially":[122],"severe":[124],"conditions.":[126]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2013,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
