{"id":"https://openalex.org/W2089298818","doi":"https://doi.org/10.1109/icme.2007.4284719","title":"Development of a Directional Loudspeaker System for Sound Reproduction","display_name":"Development of a Directional Loudspeaker System for Sound Reproduction","publication_year":2007,"publication_date":"2007-07-01","ids":{"openalex":"https://openalex.org/W2089298818","doi":"https://doi.org/10.1109/icme.2007.4284719","mag":"2089298818"},"language":"en","primary_location":{"id":"doi:10.1109/icme.2007.4284719","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icme.2007.4284719","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Multimedia and Expo, 2007 IEEE International Conference on","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/A5102788916","display_name":"Peifeng Ji","orcid":"https://orcid.org/0000-0003-2420-262X"},"institutions":[{"id":"https://openalex.org/I4210099069","display_name":"Institute of Acoustics","ror":"https://ror.org/00v8rqv75","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210099069"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Peifeng Ji","raw_affiliation_strings":["The Institute of Acoustics, Chinese Academy and Sciences, Beijing, China","[Chinese Acad. of Sci, Beijing]"],"affiliations":[{"raw_affiliation_string":"The Institute of Acoustics, Chinese Academy and Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210099069"]},{"raw_affiliation_string":"[Chinese Acad. of Sci, Beijing]","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100683265","display_name":"Chao Ye","orcid":"https://orcid.org/0000-0002-1931-7337"},"institutions":[{"id":"https://openalex.org/I4210099069","display_name":"Institute of Acoustics","ror":"https://ror.org/00v8rqv75","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210099069"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chao Ye","raw_affiliation_strings":["The Institute of Acoustics, Chinese Academy and Sciences, Beijing, China","[Chinese Acad. of Sci, Beijing]"],"affiliations":[{"raw_affiliation_string":"The Institute of Acoustics, Chinese Academy and Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210099069"]},{"raw_affiliation_string":"[Chinese Acad. of Sci, Beijing]","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5017963893","display_name":"Jing Tian","orcid":"https://orcid.org/0000-0002-4084-6911"},"institutions":[{"id":"https://openalex.org/I4210099069","display_name":"Institute of Acoustics","ror":"https://ror.org/00v8rqv75","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210099069"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jing Tian","raw_affiliation_strings":["The Institute of Acoustics, Chinese Academy and Sciences, Beijing, China","[Chinese Acad. of Sci, Beijing]"],"affiliations":[{"raw_affiliation_string":"The Institute of Acoustics, Chinese Academy and Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210099069"]},{"raw_affiliation_string":"[Chinese Acad. of Sci, Beijing]","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5102788916"],"corresponding_institution_ids":["https://openalex.org/I4210099069"],"apc_list":null,"apc_paid":null,"fwci":0.3165,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.58280495,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"591","last_page":"594"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"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"}},"topics":[{"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/T10822","display_name":"Acoustic Wave Phenomena Research","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9868999719619751,"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/acoustics","display_name":"Acoustics","score":0.8414490222930908},{"id":"https://openalex.org/keywords/loudspeaker","display_name":"Loudspeaker","score":0.8403658270835876},{"id":"https://openalex.org/keywords/directional-sound","display_name":"Directional sound","score":0.8154699802398682},{"id":"https://openalex.org/keywords/parametric-array","display_name":"Parametric array","score":0.726314902305603},{"id":"https://openalex.org/keywords/anechoic-chamber","display_name":"Anechoic chamber","score":0.6222611665725708},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.507347047328949},{"id":"https://openalex.org/keywords/sound-recording-and-reproduction","display_name":"Sound recording and reproduction","score":0.4870155453681946},{"id":"https://openalex.org/keywords/acoustic-wave","display_name":"Acoustic wave","score":0.3811991214752197},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.29477494955062866}],"concepts":[{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.8414490222930908},{"id":"https://openalex.org/C157138929","wikidata":"https://www.wikidata.org/wiki/Q570","display_name":"Loudspeaker","level":2,"score":0.8403658270835876},{"id":"https://openalex.org/C104138954","wikidata":"https://www.wikidata.org/wiki/Q5280449","display_name":"Directional sound","level":3,"score":0.8154699802398682},{"id":"https://openalex.org/C166859192","wikidata":"https://www.wikidata.org/wiki/Q7135222","display_name":"Parametric array","level":3,"score":0.726314902305603},{"id":"https://openalex.org/C149712133","wikidata":"https://www.wikidata.org/wiki/Q332774","display_name":"Anechoic chamber","level":2,"score":0.6222611665725708},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.507347047328949},{"id":"https://openalex.org/C128422554","wikidata":"https://www.wikidata.org/wiki/Q20077126","display_name":"Sound recording and reproduction","level":2,"score":0.4870155453681946},{"id":"https://openalex.org/C204723758","wikidata":"https://www.wikidata.org/wiki/Q3882459","display_name":"Acoustic wave","level":2,"score":0.3811991214752197},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.29477494955062866}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icme.2007.4284719","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icme.2007.4284719","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Multimedia and Expo, 2007 IEEE International Conference on","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.550000011920929,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1481101167","https://openalex.org/W1484203028","https://openalex.org/W1490315687","https://openalex.org/W1576199298","https://openalex.org/W1722385386","https://openalex.org/W2025321217","https://openalex.org/W2027447016","https://openalex.org/W2029700391","https://openalex.org/W2031633662","https://openalex.org/W2054396699","https://openalex.org/W2074336803","https://openalex.org/W2085592919","https://openalex.org/W2099744037","https://openalex.org/W2129783522","https://openalex.org/W2172020367","https://openalex.org/W3041374160","https://openalex.org/W6628794196","https://openalex.org/W6629293122","https://openalex.org/W6634623423","https://openalex.org/W6780227858"],"related_works":["https://openalex.org/W2314646506","https://openalex.org/W2001255682","https://openalex.org/W590019446","https://openalex.org/W2572558302","https://openalex.org/W2106386991","https://openalex.org/W2109028901","https://openalex.org/W2295074119","https://openalex.org/W2672409909","https://openalex.org/W2372851484","https://openalex.org/W2387583959"],"abstract_inverted_index":{"We":[0],"have":[1],"developed":[2],"a":[3,17,77,96],"directional":[4,14,41,78,87],"audible":[5],"sound":[6,42,93,102,104,115],"reproduction":[7,94],"system":[8],"using":[9,50],"ultrasonic":[10,31],"transducers.":[11],"This":[12],"novel":[13],"audio":[15,67],"is":[16,48,105],"result":[18],"of":[19,26,39,66,101,110,113],"the":[20,36,40,54,64,71,92,108,120],"nonlinear":[21],"propagation":[22,37],"and":[23,56,74,83,117],"subsequent":[24],"self-demodulation":[25],"high-intensity":[27],"amplitude":[28],"modulated":[29],"(AM)":[30],"waves.":[32],"In":[33],"this":[34],"paper,":[35],"characteristic":[38],"generated":[43],"by":[44,103,119],"parametric":[45],"acoustic":[46],"arrays":[47],"investigated":[49],"numerical":[51],"algorithm":[52],"in":[53,95,107,124],"time-domain":[55],"three":[57],"preprocessing":[58],"methods":[59],"are":[60,89],"employed":[61],"to":[62,91],"reduce":[63],"distortions":[65],"beams.":[68],"Based":[69],"on":[70],"theoretical":[72],"analysis":[73],"computation":[75],"simulations,":[76],"loudspeaker":[79],"has":[80],"been":[81],"designed":[82],"prototyped.":[84],"Furthermore,":[85],"two":[86,114],"loudspeakers":[88],"applied":[90],"target":[97],"zone.":[98],"The":[99],"scattering":[100],"implemented":[106],"vicinity":[109],"interaction":[111],"region":[112],"beams":[116],"verified":[118],"experiments":[121],"carried":[122],"out":[123],"an":[125],"anechoic":[126],"chamber.":[127]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}