{"id":"https://openalex.org/W2546859238","doi":"https://doi.org/10.1109/newcas.2016.7604773","title":"Digital direct-driven speaker architecture using segmented pulse shaping technique","display_name":"Digital direct-driven speaker architecture using segmented pulse shaping technique","publication_year":2016,"publication_date":"2016-06-01","ids":{"openalex":"https://openalex.org/W2546859238","doi":"https://doi.org/10.1109/newcas.2016.7604773","mag":"2546859238"},"language":"en","primary_location":{"id":"doi:10.1109/newcas.2016.7604773","is_oa":false,"landing_page_url":"https://doi.org/10.1109/newcas.2016.7604773","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 14th IEEE International New Circuits and Systems Conference (NEWCAS)","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/A5013023462","display_name":"Go Harumi","orcid":null},"institutions":[{"id":"https://openalex.org/I204291657","display_name":"Hosei University","ror":"https://ror.org/00bx6dj65","country_code":"JP","type":"education","lineage":["https://openalex.org/I204291657"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Go Harumi","raw_affiliation_strings":["Engineering Research Course, Hosei University, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"Engineering Research Course, Hosei University, Tokyo, Japan","institution_ids":["https://openalex.org/I204291657"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002567675","display_name":"Satoshi Saikatsu","orcid":null},"institutions":[{"id":"https://openalex.org/I204291657","display_name":"Hosei University","ror":"https://ror.org/00bx6dj65","country_code":"JP","type":"education","lineage":["https://openalex.org/I204291657"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Satoshi Saikatsu","raw_affiliation_strings":["Engineering Research Course, Hosei University, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"Engineering Research Course, Hosei University, Tokyo, Japan","institution_ids":["https://openalex.org/I204291657"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101610411","display_name":"Michitaka Yoshino","orcid":"https://orcid.org/0000-0003-0584-3042"},"institutions":[{"id":"https://openalex.org/I204291657","display_name":"Hosei University","ror":"https://ror.org/00bx6dj65","country_code":"JP","type":"education","lineage":["https://openalex.org/I204291657"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Michitaka Yoshino","raw_affiliation_strings":["Engineering Research Course, Hosei University, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"Engineering Research Course, Hosei University, Tokyo, Japan","institution_ids":["https://openalex.org/I204291657"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064984927","display_name":"Akira Yasuda","orcid":null},"institutions":[{"id":"https://openalex.org/I204291657","display_name":"Hosei University","ror":"https://ror.org/00bx6dj65","country_code":"JP","type":"education","lineage":["https://openalex.org/I204291657"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Akira Yasuda","raw_affiliation_strings":["Engineering Research Course, Hosei University, Tokyo, Japan"],"affiliations":[{"raw_affiliation_string":"Engineering Research Course, Hosei University, Tokyo, Japan","institution_ids":["https://openalex.org/I204291657"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5013023462"],"corresponding_institution_ids":["https://openalex.org/I204291657"],"apc_list":null,"apc_paid":null,"fwci":0.1709,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.58000531,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":0.9976999759674072,"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"}},"topics":[{"id":"https://openalex.org/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":0.9976999759674072,"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":0.9965000152587891,"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"}},{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9940000176429749,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.7448305487632751},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6390178799629211},{"id":"https://openalex.org/keywords/delta-sigma-modulation","display_name":"Delta-sigma modulation","score":0.5592105984687805},{"id":"https://openalex.org/keywords/loudspeaker","display_name":"Loudspeaker","score":0.5582564473152161},{"id":"https://openalex.org/keywords/field-programmable-gate-array","display_name":"Field-programmable gate array","score":0.553473711013794},{"id":"https://openalex.org/keywords/noise-shaping","display_name":"Noise shaping","score":0.5406361222267151},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5235804319381714},{"id":"https://openalex.org/keywords/companding","display_name":"Companding","score":0.43380579352378845},{"id":"https://openalex.org/keywords/speech-enhancement","display_name":"Speech enhancement","score":0.4178364872932434},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.2803698480129242},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.22593891620635986},{"id":"https://openalex.org/keywords/background-noise","display_name":"Background noise","score":0.2237626314163208},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.20425385236740112},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.1747666299343109},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15105482935905457},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.14359638094902039},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.12413355708122253},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.08880838751792908}],"concepts":[{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.7448305487632751},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6390178799629211},{"id":"https://openalex.org/C68754193","wikidata":"https://www.wikidata.org/wiki/Q1184820","display_name":"Delta-sigma modulation","level":3,"score":0.5592105984687805},{"id":"https://openalex.org/C157138929","wikidata":"https://www.wikidata.org/wiki/Q570","display_name":"Loudspeaker","level":2,"score":0.5582564473152161},{"id":"https://openalex.org/C42935608","wikidata":"https://www.wikidata.org/wiki/Q190411","display_name":"Field-programmable gate array","level":2,"score":0.553473711013794},{"id":"https://openalex.org/C9083635","wikidata":"https://www.wikidata.org/wiki/Q2133535","display_name":"Noise shaping","level":2,"score":0.5406361222267151},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5235804319381714},{"id":"https://openalex.org/C104250799","wikidata":"https://www.wikidata.org/wiki/Q1780765","display_name":"Companding","level":4,"score":0.43380579352378845},{"id":"https://openalex.org/C2776182073","wikidata":"https://www.wikidata.org/wiki/Q7575395","display_name":"Speech enhancement","level":3,"score":0.4178364872932434},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.2803698480129242},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.22593891620635986},{"id":"https://openalex.org/C100675267","wikidata":"https://www.wikidata.org/wiki/Q1371624","display_name":"Background noise","level":2,"score":0.2237626314163208},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.20425385236740112},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.1747666299343109},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15105482935905457},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.14359638094902039},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.12413355708122253},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.08880838751792908}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/newcas.2016.7604773","is_oa":false,"landing_page_url":"https://doi.org/10.1109/newcas.2016.7604773","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2016 14th IEEE International New Circuits and Systems Conference (NEWCAS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7900000214576721,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1596650591","https://openalex.org/W1605395211","https://openalex.org/W2097600584","https://openalex.org/W2101073146","https://openalex.org/W2110412919","https://openalex.org/W2129970709","https://openalex.org/W7018617918"],"related_works":["https://openalex.org/W2097407725","https://openalex.org/W2548491887","https://openalex.org/W2955641057","https://openalex.org/W2031274516","https://openalex.org/W2421111280","https://openalex.org/W1752694187","https://openalex.org/W2601368767","https://openalex.org/W4386071874","https://openalex.org/W2104694153","https://openalex.org/W2098358062"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"propose":[4],"a":[5,16,33,38,99,137,146,165,172],"segmented":[6],"pulse":[7],"shaping":[8],"technique":[9],"to":[10,81],"increase":[11,107],"the":[12,22,45,51,55,71,85,92,108,115,122,132,141,178,189],"quantization":[13,88,95,111],"level":[14],"of":[15,24,32,50,73,87,94,110,117],"digital":[17,28],"direct-driven":[18,29],"speaker":[19,30],"without":[20,113],"increasing":[21,91,114],"number":[23,72,86,93,109,116],"output":[25,118],"units.":[26],"The":[27,102,157],"consists":[31],"multi-bit":[34,46],"delta-sigma":[35],"modulator":[36],"and":[37,78,125,162,187],"noise-shaping":[39],"dynamic":[40],"element":[41],"matching":[42],"circuit.":[43],"Because":[44],"outputs":[47],"drive":[48],"each":[49],"driver":[52,79],"circuits":[53,80],"directly,":[54],"system":[56,180],"can":[57,106],"be":[58,82],"driven":[59],"at":[60],"low":[61],"voltage":[62],"with":[63,140],"high":[64],"efficiency.":[65],"However,":[66],"it":[67,174],"is":[68,97],"necessary":[69],"for":[70],"loudspeakers":[74,151],"or":[75],"voice":[76],"coils":[77],"same":[83],"as":[84,154],"levels.":[89],"Therefore,":[90],"levels":[96,112],"not":[98],"straightforward":[100],"process.":[101],"method":[103],"proposed":[104,133,179],"here":[105],"units,":[119],"thereby":[120],"improving":[121],"signal-to-noise":[123,190],"ratio":[124,191],"reducing":[126],"out-of-band":[127,182],"noise.":[128],"This":[129],"paper":[130],"compares":[131],"system,":[134,143],"which":[135,144],"uses":[136,145],"five-bit":[138],"quantizer,":[139,148],"conventional":[142],"three-bit":[147],"when":[149],"eight":[150],"are":[152],"implemented":[153],"an":[155],"example.":[156],"investigations":[158],"included":[159],"MATLAB/Simulink-based":[160],"simulations":[161],"implementation":[163],"using":[164],"field-programmable":[166],"gate":[167],"array":[168],"(FPGA)":[169],"board.":[170],"As":[171],"result,":[173],"was":[175],"shown":[176],"that":[177],"reduces":[181],"noise":[183],"by":[184,192],"12":[185,193],"dB":[186],"improves":[188],"dB.":[194]},"counts_by_year":[{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}