{"id":"https://openalex.org/W2043244972","doi":"https://doi.org/10.1109/tcom.1981.1095150","title":"Hybrid Companding Delta Modulation","display_name":"Hybrid Companding Delta Modulation","publication_year":1981,"publication_date":"1981-09-01","ids":{"openalex":"https://openalex.org/W2043244972","doi":"https://doi.org/10.1109/tcom.1981.1095150","mag":"2043244972"},"language":"en","primary_location":{"id":"doi:10.1109/tcom.1981.1095150","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcom.1981.1095150","pdf_url":null,"source":{"id":"https://openalex.org/S4210170832","display_name":"IRE Transactions on Communications Systems","issn_l":"0096-2244","issn":["0096-2244","2162-2132"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","raw_type":"journal-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/A5111734296","display_name":"Chung Un","orcid":null},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Chung Un","raw_affiliation_strings":["Department of Electrical Science, Korea Advanced Institute of Science and Technology, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Science, Korea Advanced Institute of Science and Technology, Seoul, South Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058450747","display_name":"Hwang Lee","orcid":"https://orcid.org/0009-0008-9038-3936"},"institutions":[{"id":"https://openalex.org/I157485424","display_name":"Korea Advanced Institute of Science and Technology","ror":"https://ror.org/05apxxy63","country_code":"KR","type":"education","lineage":["https://openalex.org/I157485424"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hwang Lee","raw_affiliation_strings":["Department of Electrical Science, Korea Advanced Institute of Science and Technology, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Department of Electrical Science, Korea Advanced Institute of Science and Technology, Seoul, South Korea","institution_ids":["https://openalex.org/I157485424"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032293524","display_name":"Jeehwan Song","orcid":"https://orcid.org/0000-0001-5532-5089"},"institutions":[{"id":"https://openalex.org/I101155339","display_name":"Korea Telecom (South Korea)","ror":"https://ror.org/043n4tt17","country_code":"KR","type":"company","lineage":["https://openalex.org/I101155339"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Joo Song","raw_affiliation_strings":["Korea Telecommunications Research Institute, Seoul, South Korea"],"affiliations":[{"raw_affiliation_string":"Korea Telecommunications Research Institute, Seoul, South Korea","institution_ids":["https://openalex.org/I101155339"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5111734296"],"corresponding_institution_ids":["https://openalex.org/I157485424"],"apc_list":null,"apc_paid":null,"fwci":2.8853,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.89669704,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"29","issue":"9","first_page":"1337","last_page":"1344"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9984999895095825,"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"}},"topics":[{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9984999895095825,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9977999925613403,"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/T11034","display_name":"Digital Filter Design and Implementation","score":0.9955999851226807,"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/companding","display_name":"Companding","score":0.9967933893203735},{"id":"https://openalex.org/keywords/delta-modulation","display_name":"Delta modulation","score":0.7631325721740723},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6236121654510498},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.5882928371429443},{"id":"https://openalex.org/keywords/link-adaptation","display_name":"Link adaptation","score":0.5392739772796631},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.5230927467346191},{"id":"https://openalex.org/keywords/constant","display_name":"Constant (computer programming)","score":0.42983976006507874},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.414590060710907},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.37420764565467834},{"id":"https://openalex.org/keywords/pulse-amplitude-modulation","display_name":"Pulse-amplitude modulation","score":0.32109546661376953},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.26760774850845337},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17795982956886292},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.1464962661266327},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.14576125144958496},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.14212384819984436},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.13371017575263977},{"id":"https://openalex.org/keywords/pulse","display_name":"Pulse (music)","score":0.10740923881530762},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.09358015656471252},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.09243384003639221},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.06709495186805725}],"concepts":[{"id":"https://openalex.org/C104250799","wikidata":"https://www.wikidata.org/wiki/Q1780765","display_name":"Companding","level":4,"score":0.9967933893203735},{"id":"https://openalex.org/C110558960","wikidata":"https://www.wikidata.org/wiki/Q163461","display_name":"Delta modulation","level":5,"score":0.7631325721740723},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6236121654510498},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.5882928371429443},{"id":"https://openalex.org/C138916503","wikidata":"https://www.wikidata.org/wiki/Q2714551","display_name":"Link adaptation","level":4,"score":0.5392739772796631},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.5230927467346191},{"id":"https://openalex.org/C2777027219","wikidata":"https://www.wikidata.org/wiki/Q1284190","display_name":"Constant (computer programming)","level":2,"score":0.42983976006507874},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.414590060710907},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.37420764565467834},{"id":"https://openalex.org/C20518276","wikidata":"https://www.wikidata.org/wiki/Q186130","display_name":"Pulse-amplitude modulation","level":4,"score":0.32109546661376953},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.26760774850845337},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17795982956886292},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.1464962661266327},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.14576125144958496},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.14212384819984436},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.13371017575263977},{"id":"https://openalex.org/C2780167933","wikidata":"https://www.wikidata.org/wiki/Q1550652","display_name":"Pulse (music)","level":3,"score":0.10740923881530762},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.09358015656471252},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.09243384003639221},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.06709495186805725},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.0},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"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/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"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/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcom.1981.1095150","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcom.1981.1095150","pdf_url":null,"source":{"id":"https://openalex.org/S4210170832","display_name":"IRE Transactions on Communications Systems","issn_l":"0096-2244","issn":["0096-2244","2162-2132"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.550000011920929,"display_name":"Quality Education","id":"https://metadata.un.org/sdg/4"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1699381549","https://openalex.org/W1976355433","https://openalex.org/W1976692475","https://openalex.org/W1992689425","https://openalex.org/W2002621623","https://openalex.org/W2016782477","https://openalex.org/W2018452484","https://openalex.org/W2046566613","https://openalex.org/W2089259910","https://openalex.org/W2106934921","https://openalex.org/W2118460513","https://openalex.org/W2127703130","https://openalex.org/W2150587533","https://openalex.org/W2168460927","https://openalex.org/W6651242149","https://openalex.org/W6677538816"],"related_works":["https://openalex.org/W2169432780","https://openalex.org/W3207481136","https://openalex.org/W2049863527","https://openalex.org/W2561838285","https://openalex.org/W2168689101","https://openalex.org/W4210416340","https://openalex.org/W2769453431","https://openalex.org/W2070673562","https://openalex.org/W1588669831","https://openalex.org/W2004723848"],"abstract_inverted_index":{"We":[0],"present":[1],"a":[2,74],"reasonably":[3],"complete":[4],"account":[5],"of":[6,54,84,99],"an":[7,96],"improved":[8],"adaptive":[9],"delta":[10,17],"modulation":[11,18],"(ADM)":[12],"system":[13,22,56,86],"called":[14],"hybrid":[15],"companding":[16,50],"(HCDM).":[19],"The":[20],"HCDM":[21,71],"that":[23],"is":[24,38,81,91,102],"far":[25],"superior":[26],"to":[27],"continuously":[28],"variable":[29],"slope":[30],"DM":[31,36],"(CVSD)":[32],"or":[33],"constant":[34],"factor":[35],"(CFDM)":[37],"advantageous,":[39],"particularly":[40],"for":[41,70],"speech":[42],"coding.":[43],"It":[44],"employs":[45],"both":[46],"syllabic":[47],"and":[48,60],"instantaneous":[49],"schemes.":[51],"Performance":[52],"analysis":[53],"the":[55,67,85],"has":[57],"been":[58],"done":[59],"verified":[61],"by":[62,89],"computer":[63],"simulation.":[64],"In":[65,94],"getting":[66],"mathematical":[68],"formula":[69],"granular":[72],"noise,":[73],"new":[75],"method":[76,98],"based":[77],"on":[78],"amplitude":[79],"distribution":[80],"proposed.":[82],"Optimization":[83],"parameter":[87],"values":[88],"simulation":[90],"also":[92],"discussed.":[93],"addition,":[95],"efficient":[97],"hardware":[100],"implementation":[101],"considered.":[103]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}