{"id":"https://openalex.org/W1907767106","doi":"https://doi.org/10.1109/icassp.1980.1171013","title":"A decision tree procedure for voiced/Unvoiced/Mixed excitation classification of speech","display_name":"A decision tree procedure for voiced/Unvoiced/Mixed excitation classification of speech","publication_year":2005,"publication_date":"2005-03-24","ids":{"openalex":"https://openalex.org/W1907767106","doi":"https://doi.org/10.1109/icassp.1980.1171013","mag":"1907767106"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.1980.1171013","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.1980.1171013","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP '80. IEEE International Conference on Acoustics, Speech, and Signal Processing","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/A5076290945","display_name":"L. Siegel","orcid":null},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"L. Siegel","raw_affiliation_strings":["School of ELectrical Engineering, Purdue University, West Lafayette, IN, USA","Purdue University , West Lafayette, IN"],"affiliations":[{"raw_affiliation_string":"School of ELectrical Engineering, Purdue University, West Lafayette, IN, USA","institution_ids":["https://openalex.org/I219193219"]},{"raw_affiliation_string":"Purdue University , West Lafayette, IN","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035491796","display_name":"A. Bessey","orcid":null},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"A. Bessey","raw_affiliation_strings":["School of ELectrical Engineering, Purdue University, West Lafayette, IN, USA"],"affiliations":[{"raw_affiliation_string":"School of ELectrical Engineering, Purdue University, West Lafayette, IN, USA","institution_ids":["https://openalex.org/I219193219"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5076290945"],"corresponding_institution_ids":["https://openalex.org/I219193219"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.11484919,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"5","issue":null,"first_page":"53","last_page":"56"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9926999807357788,"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":0.9926999807357788,"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/T10201","display_name":"Speech Recognition and Synthesis","score":0.9912999868392944,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11309","display_name":"Music and Audio Processing","score":0.9143000245094299,"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/computer-science","display_name":"Computer science","score":0.6879906058311462},{"id":"https://openalex.org/keywords/binary-tree","display_name":"Binary tree","score":0.6587282419204712},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.6477518677711487},{"id":"https://openalex.org/keywords/binary-number","display_name":"Binary number","score":0.6232416033744812},{"id":"https://openalex.org/keywords/decision-tree","display_name":"Decision tree","score":0.5979827642440796},{"id":"https://openalex.org/keywords/binary-classification","display_name":"Binary classification","score":0.5350134968757629},{"id":"https://openalex.org/keywords/binary-decision-diagram","display_name":"Binary decision diagram","score":0.499072790145874},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.4694397449493408},{"id":"https://openalex.org/keywords/pattern-recognition","display_name":"Pattern recognition (psychology)","score":0.45951807498931885},{"id":"https://openalex.org/keywords/sequence","display_name":"Sequence (biology)","score":0.44995808601379395},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3862548768520355},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20389509201049805},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.12134304642677307},{"id":"https://openalex.org/keywords/support-vector-machine","display_name":"Support vector machine","score":0.08924007415771484}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6879906058311462},{"id":"https://openalex.org/C197855036","wikidata":"https://www.wikidata.org/wiki/Q380172","display_name":"Binary tree","level":2,"score":0.6587282419204712},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.6477518677711487},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.6232416033744812},{"id":"https://openalex.org/C84525736","wikidata":"https://www.wikidata.org/wiki/Q831366","display_name":"Decision tree","level":2,"score":0.5979827642440796},{"id":"https://openalex.org/C66905080","wikidata":"https://www.wikidata.org/wiki/Q17005494","display_name":"Binary classification","level":3,"score":0.5350134968757629},{"id":"https://openalex.org/C3309909","wikidata":"https://www.wikidata.org/wiki/Q864155","display_name":"Binary decision diagram","level":2,"score":0.499072790145874},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.4694397449493408},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.45951807498931885},{"id":"https://openalex.org/C2778112365","wikidata":"https://www.wikidata.org/wiki/Q3511065","display_name":"Sequence (biology)","level":2,"score":0.44995808601379395},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3862548768520355},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20389509201049805},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.12134304642677307},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.08924007415771484},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.1980.1171013","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.1980.1171013","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICASSP '80. IEEE International Conference on Acoustics, Speech, and Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","score":0.8199999928474426,"display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W795398596","https://openalex.org/W1536990986","https://openalex.org/W1837137761","https://openalex.org/W1981164149","https://openalex.org/W2047602197","https://openalex.org/W2050693797","https://openalex.org/W2084044763","https://openalex.org/W2100849852","https://openalex.org/W2111114457","https://openalex.org/W2134184801","https://openalex.org/W2135933868","https://openalex.org/W2143039550","https://openalex.org/W2159105055","https://openalex.org/W2171321863","https://openalex.org/W2800394774","https://openalex.org/W4301253858","https://openalex.org/W6675345341"],"related_works":["https://openalex.org/W4300631294","https://openalex.org/W197248315","https://openalex.org/W2390183607","https://openalex.org/W2122917767","https://openalex.org/W3196342125","https://openalex.org/W86917440","https://openalex.org/W2046798493","https://openalex.org/W1997162386","https://openalex.org/W2104406636","https://openalex.org/W2132937675"],"abstract_inverted_index":{"Pattern":[0],"classification":[1,112],"techniques,":[2],"which":[3,89],"have":[4],"been":[5,117],"successful":[6],"in":[7,99,106],"determining":[8,88],"if":[9,22,46,58],"a":[10,23,30,39,64,79,85],"segment":[11,25,48,60,94],"of":[12,32,66,70,74,87,91,102,114],"speech":[13,24,93],"is":[14,26,49,61,76,84],"voiced":[15,51],"or":[16,29,52],"unvoiced,":[17,28,53],"are":[18,95],"used":[19,98],"to":[20,44,56,96],"determine":[21,45,57],"voiced,":[27],"combination":[31],"the":[33,47,59,67,92,103,107],"two":[34,68],"(mixed).":[35],"The":[36,72],"technique":[37],"employs":[38],"binary":[40,80,104],"decision":[41],"procedure":[42],"first":[43],"predominantly":[50],"and":[54],"then":[55],"produced":[62],"by":[63],"mixture":[65],"modes":[69],"excitation.":[71],"sequence":[73],"decisions":[75,105],"structured":[77],"as":[78],"tree.":[81,108],"Also":[82],"presented":[83],"method":[86],"features":[90],"be":[97],"making":[100],"each":[101],"In":[109],"preliminary":[110],"tests,":[111],"accuracy":[113],"95%":[115],"has":[116],"obtained.":[118]},"counts_by_year":[{"year":2023,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
