{"id":"https://openalex.org/W4388117621","doi":"https://doi.org/10.23919/eusipco58844.2023.10290032","title":"LPC-GAN for Speech Super-Resolution","display_name":"LPC-GAN for Speech Super-Resolution","publication_year":2023,"publication_date":"2023-09-04","ids":{"openalex":"https://openalex.org/W4388117621","doi":"https://doi.org/10.23919/eusipco58844.2023.10290032"},"language":"en","primary_location":{"id":"doi:10.23919/eusipco58844.2023.10290032","is_oa":false,"landing_page_url":"https://doi.org/10.23919/eusipco58844.2023.10290032","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 31st European Signal Processing Conference (EUSIPCO)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5072028408","display_name":"Konstantin Schmidt","orcid":"https://orcid.org/0000-0002-4857-4121"},"institutions":[{"id":"https://openalex.org/I4210123192","display_name":"International Audio Laboratories Erlangen","ror":"https://ror.org/02mkz3e80","country_code":"DE","type":"facility","lineage":["https://openalex.org/I181369854","https://openalex.org/I4210123192","https://openalex.org/I4210124274","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Konstantin Schmidt","raw_affiliation_strings":["International Audio Laboratories Erlangen,Erlangen,Germany,33 91058"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"International Audio Laboratories Erlangen,Erlangen,Germany,33 91058","institution_ids":["https://openalex.org/I4210123192"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022331149","display_name":"Bernd Edler","orcid":null},"institutions":[{"id":"https://openalex.org/I4210123192","display_name":"International Audio Laboratories Erlangen","ror":"https://ror.org/02mkz3e80","country_code":"DE","type":"facility","lineage":["https://openalex.org/I181369854","https://openalex.org/I4210123192","https://openalex.org/I4210124274","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Bernd Edler","raw_affiliation_strings":["International Audio Laboratories Erlangen,Erlangen,Germany,33 91058"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"International Audio Laboratories Erlangen,Erlangen,Germany,33 91058","institution_ids":["https://openalex.org/I4210123192"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037152471","display_name":"Ahmed Mustafa Mahmoud","orcid":null},"institutions":[{"id":"https://openalex.org/I4210124274","display_name":"Fraunhofer Institute for Integrated Circuits","ror":"https://ror.org/024ape423","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210124274","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Ahmed Mustafa Mahmoud","raw_affiliation_strings":["Fraunhofer IIS,Erlangen,Germany,33 91058"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer IIS,Erlangen,Germany,33 91058","institution_ids":["https://openalex.org/I4210124274"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054985419","display_name":"Guillaume Fuchs","orcid":null},"institutions":[{"id":"https://openalex.org/I4210124274","display_name":"Fraunhofer Institute for Integrated Circuits","ror":"https://ror.org/024ape423","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210124274","https://openalex.org/I4923324"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Guillaume Fuchs","raw_affiliation_strings":["Fraunhofer IIS,Erlangen,Germany,33 91058"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fraunhofer IIS,Erlangen,Germany,33 91058","institution_ids":["https://openalex.org/I4210124274"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3641,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.67456106,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"346","last_page":"350"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11105","display_name":"Advanced Image Processing Techniques","score":0.996999979019165,"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"}},"topics":[{"id":"https://openalex.org/T11105","display_name":"Advanced Image Processing Techniques","score":0.996999979019165,"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/T10688","display_name":"Image and Signal Denoising Methods","score":0.9965000152587891,"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/T10860","display_name":"Speech and Audio Processing","score":0.9925000071525574,"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":0.7255504131317139},{"id":"https://openalex.org/keywords/intelligibility","display_name":"Intelligibility (philosophy)","score":0.7208885550498962},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.6410553455352783},{"id":"https://openalex.org/keywords/spectral-envelope","display_name":"Spectral envelope","score":0.6144952178001404},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.4674108326435089},{"id":"https://openalex.org/keywords/speech-coding","display_name":"Speech coding","score":0.43139025568962097},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3796135187149048},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19136205315589905}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7255504131317139},{"id":"https://openalex.org/C60048801","wikidata":"https://www.wikidata.org/wiki/Q1433889","display_name":"Intelligibility (philosophy)","level":2,"score":0.7208885550498962},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.6410553455352783},{"id":"https://openalex.org/C54926389","wikidata":"https://www.wikidata.org/wiki/Q7575188","display_name":"Spectral envelope","level":2,"score":0.6144952178001404},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.4674108326435089},{"id":"https://openalex.org/C13895895","wikidata":"https://www.wikidata.org/wiki/Q3270773","display_name":"Speech coding","level":2,"score":0.43139025568962097},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3796135187149048},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19136205315589905},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.23919/eusipco58844.2023.10290032","is_oa":false,"landing_page_url":"https://doi.org/10.23919/eusipco58844.2023.10290032","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 31st European Signal Processing Conference (EUSIPCO)","raw_type":"proceedings-article"},{"id":"pmh:oai:publica.fraunhofer.de:publica/468968","is_oa":false,"landing_page_url":"https://publica.fraunhofer.de/handle/publica/468968","pdf_url":null,"source":{"id":"https://openalex.org/S4306400318","display_name":"Fraunhofer-Publica (Fraunhofer-Gesellschaft)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4923324","host_organization_name":"Fraunhofer-Gesellschaft","host_organization_lineage":["https://openalex.org/I4923324"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"conference paper"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions","score":0.6499999761581421}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":46,"referenced_works":["https://openalex.org/W1485415213","https://openalex.org/W1491878173","https://openalex.org/W1517841224","https://openalex.org/W1522301498","https://openalex.org/W1922655562","https://openalex.org/W1923007241","https://openalex.org/W2064675550","https://openalex.org/W2125389028","https://openalex.org/W2193413348","https://openalex.org/W2194775991","https://openalex.org/W2284050935","https://openalex.org/W2400346108","https://openalex.org/W2407130687","https://openalex.org/W2518315489","https://openalex.org/W2519091744","https://openalex.org/W2761952131","https://openalex.org/W2784918340","https://openalex.org/W2785678896","https://openalex.org/W2890648862","https://openalex.org/W2892335023","https://openalex.org/W2924508610","https://openalex.org/W2929274168","https://openalex.org/W2939253202","https://openalex.org/W2972562500","https://openalex.org/W2981741867","https://openalex.org/W2996286887","https://openalex.org/W3015368254","https://openalex.org/W3015837673","https://openalex.org/W3094114204","https://openalex.org/W3115185819","https://openalex.org/W3122318757","https://openalex.org/W3160652646","https://openalex.org/W4298289240","https://openalex.org/W6631013380","https://openalex.org/W6631190155","https://openalex.org/W6640090968","https://openalex.org/W6640176760","https://openalex.org/W6678815747","https://openalex.org/W6687566353","https://openalex.org/W6695676441","https://openalex.org/W6713159445","https://openalex.org/W6713848140","https://openalex.org/W6761142238","https://openalex.org/W6768435317","https://openalex.org/W6768914958","https://openalex.org/W6787318409"],"related_works":["https://openalex.org/W2128165264","https://openalex.org/W2127461790","https://openalex.org/W2069324367","https://openalex.org/W2383072803","https://openalex.org/W1911859126","https://openalex.org/W1485754833","https://openalex.org/W2116931492","https://openalex.org/W2120730869","https://openalex.org/W1569721167","https://openalex.org/W2166699153"],"abstract_inverted_index":{"Up":[0],"to":[1,12],"today":[2],"telephone":[3],"speech":[4,61,68],"lacks":[5],"of":[6,58,79],"perceptual":[7,33,114],"quality":[8,34,115],"and":[9,15,29,35,73,81,106],"intelligibility":[10],"due":[11],"bandwidth":[13],"removal":[14],"quantisation":[16],"artefacts":[17],"in":[18],"the":[19,32,55,59,63,67,91,103,107],"encoding":[20],"process.":[21],"Super-resolution":[22],"artificially":[23],"regenerates":[24],"this":[25],"missing":[26,77],"frequency":[27],"content":[28],"thus":[30],"improves":[31],"intelligibility.":[36],"This":[37],"work":[38],"proposes":[39],"a":[40],"novel":[41],"approaches":[42],"for":[43],"super-resolution":[44],"based":[45],"on":[46],"generative":[47],"adversarial":[48],"networks":[49],"with":[50,85],"convolutional":[51],"architectures.":[52],"Motivated":[53],"by":[54],"source-filter":[56],"model":[57],"human":[60],"production,":[62],"proposed":[64],"system":[65],"decomposes":[66],"signal":[69,93,105],"into":[70],"spectral":[71],"envelope":[72,80],"excitation":[74,82,92,104],"signal.":[75],"The":[76,88],"frequency-content":[78],"are":[83],"restored":[84],"dedicated":[86],"networks.":[87],"network":[89],"restoring":[90],"is":[94,99],"trained":[95],"such":[96],"that":[97],"there":[98],"no":[100],"mismatch":[101],"between":[102],"envelope.":[108],"By":[109],"this,":[110],"we":[111],"achieve":[112],"better":[113],"at":[116],"lower":[117],"computational":[118],"complexity.":[119]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
