{"id":"https://openalex.org/W1982122108","doi":"https://doi.org/10.1109/sips.2007.4387608","title":"Bandwidth Extension of a Narrowband Speech Coder for Music Streaming Services Over IP Networks","display_name":"Bandwidth Extension of a Narrowband Speech Coder for Music Streaming Services Over IP Networks","publication_year":2007,"publication_date":"2007-10-01","ids":{"openalex":"https://openalex.org/W1982122108","doi":"https://doi.org/10.1109/sips.2007.4387608","mag":"1982122108"},"language":"en","primary_location":{"id":"doi:10.1109/sips.2007.4387608","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sips.2007.4387608","pdf_url":null,"source":{"id":"https://openalex.org/S4210209284","display_name":"SiPS ... design and implementation - IEEE Workshop on Signal Processing Systems","issn_l":"1520-6130","issn":["1520-6130","2374-7390"],"is_oa":false,"is_in_doaj":false,"is_core":true,"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":"2007 IEEE Workshop on Signal Processing Systems","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/A5002034433","display_name":"Young Han Lee","orcid":"https://orcid.org/0000-0002-5602-391X"},"institutions":[{"id":"https://openalex.org/I39534123","display_name":"Gwangju Institute of Science and Technology","ror":"https://ror.org/024kbgz78","country_code":"KR","type":"education","lineage":["https://openalex.org/I39534123"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Young Han Lee","raw_affiliation_strings":["Department of Information and Communications, Gwangju Institute of Science and Technology, Gwangju, South Korea","Dept. of Information and Communications, Gwangju Institute of Science and Technology (GIST), Gwangju 500-712, Korea, cpumaker@gist.ac.kr"],"affiliations":[{"raw_affiliation_string":"Department of Information and Communications, Gwangju Institute of Science and Technology, Gwangju, South Korea","institution_ids":["https://openalex.org/I39534123"]},{"raw_affiliation_string":"Dept. of Information and Communications, Gwangju Institute of Science and Technology (GIST), Gwangju 500-712, Korea, cpumaker@gist.ac.kr","institution_ids":["https://openalex.org/I39534123"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085604883","display_name":"Hong Kook Kim","orcid":"https://orcid.org/0000-0002-0105-6693"},"institutions":[{"id":"https://openalex.org/I39534123","display_name":"Gwangju Institute of Science and Technology","ror":"https://ror.org/024kbgz78","country_code":"KR","type":"education","lineage":["https://openalex.org/I39534123"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hong Kook Kim","raw_affiliation_strings":["Department of Information and Communications, Gwangju Institute of Science and Technology, Gwangju, South Korea","Department of Information and Communications, Gwangju Institute of Science and Technology (GIST), Gwangju 500-712, Korea, hongkook@gist.ac.kr"],"affiliations":[{"raw_affiliation_string":"Department of Information and Communications, Gwangju Institute of Science and Technology, Gwangju, South Korea","institution_ids":["https://openalex.org/I39534123"]},{"raw_affiliation_string":"Department of Information and Communications, Gwangju Institute of Science and Technology (GIST), Gwangju 500-712, Korea, hongkook@gist.ac.kr","institution_ids":["https://openalex.org/I39534123"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5002034433"],"corresponding_institution_ids":["https://openalex.org/I39534123"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.07269387,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"3","issue":null,"first_page":"552","last_page":"555"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":0.9994999766349792,"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/T10901","display_name":"Advanced Data Compression Techniques","score":0.9994999766349792,"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":0.9987000226974487,"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":0.9965999722480774,"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/narrowband","display_name":"Narrowband","score":0.8331466317176819},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7390908002853394},{"id":"https://openalex.org/keywords/code-excited-linear-prediction","display_name":"Code-excited linear prediction","score":0.7305974364280701},{"id":"https://openalex.org/keywords/full-rate","display_name":"Full Rate","score":0.5811558961868286},{"id":"https://openalex.org/keywords/bandwidth-extension","display_name":"Bandwidth extension","score":0.5488073825836182},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5480719208717346},{"id":"https://openalex.org/keywords/spectral-envelope","display_name":"Spectral envelope","score":0.5440884828567505},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.5315216779708862},{"id":"https://openalex.org/keywords/wideband-audio","display_name":"Wideband audio","score":0.48188167810440063},{"id":"https://openalex.org/keywords/harmonic-vector-excitation-coding","display_name":"Harmonic Vector Excitation Coding","score":0.47264450788497925},{"id":"https://openalex.org/keywords/speech-coding","display_name":"Speech coding","score":0.4669293761253357},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.4489188492298126},{"id":"https://openalex.org/keywords/bit-rate","display_name":"Bit rate","score":0.4119836688041687},{"id":"https://openalex.org/keywords/linear-predictive-coding","display_name":"Linear predictive coding","score":0.2733161449432373},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.19572165608406067},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15905851125717163},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.14562469720840454},{"id":"https://openalex.org/keywords/audio-signal","display_name":"Audio signal","score":0.14283272624015808},{"id":"https://openalex.org/keywords/digital-audio","display_name":"Digital audio","score":0.09765094518661499},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07166436314582825}],"concepts":[{"id":"https://openalex.org/C2776096036","wikidata":"https://www.wikidata.org/wiki/Q1140483","display_name":"Narrowband","level":2,"score":0.8331466317176819},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7390908002853394},{"id":"https://openalex.org/C105964291","wikidata":"https://www.wikidata.org/wiki/Q856184","display_name":"Code-excited linear prediction","level":4,"score":0.7305974364280701},{"id":"https://openalex.org/C197477341","wikidata":"https://www.wikidata.org/wiki/Q2532845","display_name":"Full Rate","level":3,"score":0.5811558961868286},{"id":"https://openalex.org/C9387945","wikidata":"https://www.wikidata.org/wiki/Q4854770","display_name":"Bandwidth extension","level":4,"score":0.5488073825836182},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5480719208717346},{"id":"https://openalex.org/C54926389","wikidata":"https://www.wikidata.org/wiki/Q7575188","display_name":"Spectral envelope","level":2,"score":0.5440884828567505},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.5315216779708862},{"id":"https://openalex.org/C173391809","wikidata":"https://www.wikidata.org/wiki/Q2740189","display_name":"Wideband audio","level":5,"score":0.48188167810440063},{"id":"https://openalex.org/C80167644","wikidata":"https://www.wikidata.org/wiki/Q463990","display_name":"Harmonic Vector Excitation Coding","level":3,"score":0.47264450788497925},{"id":"https://openalex.org/C13895895","wikidata":"https://www.wikidata.org/wiki/Q3270773","display_name":"Speech coding","level":2,"score":0.4669293761253357},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.4489188492298126},{"id":"https://openalex.org/C2987812609","wikidata":"https://www.wikidata.org/wiki/Q194158","display_name":"Bit rate","level":2,"score":0.4119836688041687},{"id":"https://openalex.org/C59883199","wikidata":"https://www.wikidata.org/wiki/Q1826438","display_name":"Linear predictive coding","level":3,"score":0.2733161449432373},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.19572165608406067},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15905851125717163},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.14562469720840454},{"id":"https://openalex.org/C64922751","wikidata":"https://www.wikidata.org/wiki/Q4650799","display_name":"Audio signal","level":3,"score":0.14283272624015808},{"id":"https://openalex.org/C87687168","wikidata":"https://www.wikidata.org/wiki/Q173114","display_name":"Digital audio","level":4,"score":0.09765094518661499},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07166436314582825}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/sips.2007.4387608","is_oa":false,"landing_page_url":"https://doi.org/10.1109/sips.2007.4387608","pdf_url":null,"source":{"id":"https://openalex.org/S4210209284","display_name":"SiPS ... design and implementation - IEEE Workshop on Signal Processing Systems","issn_l":"1520-6130","issn":["1520-6130","2374-7390"],"is_oa":false,"is_in_doaj":false,"is_core":true,"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":"2007 IEEE Workshop on Signal Processing Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.44999998807907104,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W329460338","https://openalex.org/W1532080587","https://openalex.org/W1976235136","https://openalex.org/W2139208951","https://openalex.org/W2148154194","https://openalex.org/W2156191292","https://openalex.org/W2200061844","https://openalex.org/W6611249460","https://openalex.org/W6683132097"],"related_works":["https://openalex.org/W1578591928","https://openalex.org/W2110311073","https://openalex.org/W2168435653","https://openalex.org/W45406275","https://openalex.org/W3135807828","https://openalex.org/W1887259369","https://openalex.org/W1932653299","https://openalex.org/W2534453387","https://openalex.org/W2148746461","https://openalex.org/W1982122108"],"abstract_inverted_index":{"In":[0,87],"this":[1,88],"paper,":[2,89],"we":[3,90],"propose":[4],"a":[5,11,17,24,149],"bandwidth":[6],"extension":[7],"(BWE)":[8],"algorithm":[9],"for":[10],"low-bit-rate":[12],"narrowband":[13,53,80,98],"CELP":[14,54,81],"coder":[15,69,82,127,163],"using":[16,42],"spectral":[18,72],"envelope":[19,73],"sharing":[20],"approach":[21],"to":[22,34,51,108,130,174,179],"develop":[23],"wideband":[25,30],"speech":[26,31,99],"coder.":[27,55],"The":[28],"developed":[29],"coder,":[32,39,100],"referred":[33],"here":[35],"as":[36,95],"the":[37,52,58,63,66,71,79,84,96,110,115,121,124,161],"BWE":[38,68,126,162],"is":[40,128,145],"constructed":[41],"an":[43,48,180],"embedded":[44],"structure":[45],"by":[46,62],"adding":[47],"enhancement":[49,64,85,116],"layer":[50,93,142,169,176],"To":[56],"minimize":[57],"bit-rate":[59,122,182],"increase":[60],"caused":[61],"layer,":[65],"proposed":[67,125],"shares":[70],"and":[74,83,101,171],"excitation":[75],"parameters":[76],"both":[77],"with":[78,152],"layer.":[86,117],"choose":[91],"G.729EV":[92,141,168,175],"2":[94,170],"baseline":[97],"mel-frequency":[102],"cepstral":[103],"coefficients":[104],"(MFCCs)":[105],"are":[106],"used":[107],"reconstruct":[109],"higher":[111,137],"frequency":[112],"components":[113],"at":[114],"By":[118],"doing":[119],"this,":[120],"of":[123,140,184],"found":[129],"be":[131],"12.7":[132],"kbit/s,":[133],"just":[134],"0.7":[135],"kbit/s":[136],"than":[138,167],"that":[139,160],"2.":[143],"It":[144],"also":[146],"demonstrated":[147],"from":[148,155],"MUSHRA":[150],"test":[151],"audio":[153],"signals":[154],"four":[156],"different":[157],"music":[158],"genres,":[159],"gives":[164],"better":[165],"quality":[166,173],"comparable":[172],"3,":[177],"corresponding":[178],"overall":[181],"reduction":[183],"1.3":[185],"kbit/s.":[186]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
