{"id":"https://openalex.org/W1528804245","doi":"https://doi.org/10.1109/icassp.2003.1198901","title":"Mixed-excited phonetic vocoding at 265 bps","display_name":"Mixed-excited phonetic vocoding at 265 bps","publication_year":2003,"publication_date":"2003-11-20","ids":{"openalex":"https://openalex.org/W1528804245","doi":"https://doi.org/10.1109/icassp.2003.1198901","mag":"1528804245"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2003.1198901","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2003.1198901","pdf_url":null,"source":{"id":"https://openalex.org/S4363608982","display_name":"2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03).","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03).","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/A5109858945","display_name":"Ranniery da Silva Maia","orcid":null},"institutions":[{"id":"https://openalex.org/I122140584","display_name":"Universidade Federal do Rio de Janeiro","ror":"https://ror.org/03490as77","country_code":"BR","type":"education","lineage":["https://openalex.org/I122140584"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"R. da S Maia","raw_affiliation_strings":["Electrical Engineering Program/COPPE","Electrical Engineering Program/COPPE, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Electrical Engineering Program/COPPE","institution_ids":[]},{"raw_affiliation_string":"Electrical Engineering Program/COPPE, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil","institution_ids":["https://openalex.org/I122140584"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024637024","display_name":"R.J. da R Cirigliano","orcid":null},"institutions":[{"id":"https://openalex.org/I122140584","display_name":"Universidade Federal do Rio de Janeiro","ror":"https://ror.org/03490as77","country_code":"BR","type":"education","lineage":["https://openalex.org/I122140584"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"R.J. da R Cirigliano","raw_affiliation_strings":["Dept. of Electronics and Computer Science/EPoli, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electronics and Computer Science/EPoli, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil","institution_ids":["https://openalex.org/I122140584"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010980206","display_name":"D. Rojtenberg","orcid":null},"institutions":[{"id":"https://openalex.org/I122140584","display_name":"Universidade Federal do Rio de Janeiro","ror":"https://ror.org/03490as77","country_code":"BR","type":"education","lineage":["https://openalex.org/I122140584"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"D. Rojtenberg","raw_affiliation_strings":["Dept. of Electronics and Computer Science/EPoli, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electronics and Computer Science/EPoli, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil","institution_ids":["https://openalex.org/I122140584"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021259436","display_name":"F.G.V. Resende","orcid":null},"institutions":[{"id":"https://openalex.org/I122140584","display_name":"Universidade Federal do Rio de Janeiro","ror":"https://ror.org/03490as77","country_code":"BR","type":"education","lineage":["https://openalex.org/I122140584"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"F.G.V. Resende","raw_affiliation_strings":["Dept. of Electronics and Computer Science/EPoli, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dept. of Electronics and Computer Science/EPoli, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil","institution_ids":["https://openalex.org/I122140584"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.7778,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.63338301,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"1","issue":null,"first_page":"I","last_page":"796"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9983000159263611,"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":0.9983000159263611,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9944999814033508,"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/T10201","display_name":"Speech Recognition and Synthesis","score":0.9944000244140625,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/voice","display_name":"Voice","score":0.7121453285217285},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6768821477890015},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.6604620218276978},{"id":"https://openalex.org/keywords/encoder","display_name":"Encoder","score":0.5507267713546753},{"id":"https://openalex.org/keywords/binary-number","display_name":"Binary number","score":0.5332030653953552},{"id":"https://openalex.org/keywords/intelligibility","display_name":"Intelligibility (philosophy)","score":0.5016241073608398},{"id":"https://openalex.org/keywords/hidden-markov-model","display_name":"Hidden Markov model","score":0.4954425096511841},{"id":"https://openalex.org/keywords/band-pass-filter","display_name":"Band-pass filter","score":0.4572960138320923},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.45118221640586853},{"id":"https://openalex.org/keywords/excitation","display_name":"Excitation","score":0.4141649305820465},{"id":"https://openalex.org/keywords/acoustics","display_name":"Acoustics","score":0.40437421202659607},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.1689961552619934},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.15187078714370728},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.15077179670333862},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1486782431602478},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10300439596176147},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.06648722290992737}],"concepts":[{"id":"https://openalex.org/C552089266","wikidata":"https://www.wikidata.org/wiki/Q494510","display_name":"Voice","level":2,"score":0.7121453285217285},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6768821477890015},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.6604620218276978},{"id":"https://openalex.org/C118505674","wikidata":"https://www.wikidata.org/wiki/Q42586063","display_name":"Encoder","level":2,"score":0.5507267713546753},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.5332030653953552},{"id":"https://openalex.org/C60048801","wikidata":"https://www.wikidata.org/wiki/Q1433889","display_name":"Intelligibility (philosophy)","level":2,"score":0.5016241073608398},{"id":"https://openalex.org/C23224414","wikidata":"https://www.wikidata.org/wiki/Q176769","display_name":"Hidden Markov model","level":2,"score":0.4954425096511841},{"id":"https://openalex.org/C147788027","wikidata":"https://www.wikidata.org/wiki/Q2718101","display_name":"Band-pass filter","level":2,"score":0.4572960138320923},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.45118221640586853},{"id":"https://openalex.org/C83581075","wikidata":"https://www.wikidata.org/wiki/Q1361503","display_name":"Excitation","level":2,"score":0.4141649305820465},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.40437421202659607},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.1689961552619934},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.15187078714370728},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15077179670333862},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1486782431602478},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10300439596176147},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.06648722290992737},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2003.1198901","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2003.1198901","pdf_url":null,"source":{"id":"https://openalex.org/S4363608982","display_name":"2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03).","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03).","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5,"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":10,"referenced_works":["https://openalex.org/W55699762","https://openalex.org/W86457398","https://openalex.org/W200094172","https://openalex.org/W1955747548","https://openalex.org/W2093450784","https://openalex.org/W2109189270","https://openalex.org/W6602250360","https://openalex.org/W6603562405","https://openalex.org/W6608156246","https://openalex.org/W6640772857"],"related_works":["https://openalex.org/W2036753972","https://openalex.org/W1996861825","https://openalex.org/W2079621619","https://openalex.org/W2046280377","https://openalex.org/W4388535697","https://openalex.org/W2036128733","https://openalex.org/W1976086899","https://openalex.org/W4285526294","https://openalex.org/W2313188200","https://openalex.org/W1975015735"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"a":[3,34],"phonetic":[4],"vocoder":[5,44],"which":[6],"synthesizes":[7],"speech":[8,19,67],"using":[9,37],"mixed":[10,35,62],"excitation":[11,36,63,81],"is":[12],"presented.":[13],"The":[14,43],"encoder":[15],"carries":[16],"out":[17],"HMM-based":[18],"recognition":[20],"and":[21,32,39],"pitch":[22,38],"analysis,":[23],"whereas":[24],"the":[25,59,66,78],"decoder":[26],"performs":[27],"parameter":[28],"extraction":[29],"from":[30],"HMM":[31],"builds":[33],"bandpass":[40],"voicing":[41],"strengths.":[42],"at":[45],"an":[46],"average":[47],"bit":[48,73],"rate":[49,74],"of":[50,56,61,72],"265":[51],"bit/s":[52],"reaches":[53],"good":[54],"degree":[55],"intelligibility,":[57],"while":[58],"use":[60],"significantly":[64],"improves":[65],"quality":[68],"with":[69,77],"no":[70],"increase":[71],"when":[75],"compared":[76],"conventional":[79],"binary":[80],"pulse":[82],"train/random":[83],"noise.":[84]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}