{"id":"https://openalex.org/W1532080587","doi":"https://doi.org/10.21437/eurospeech.1997-431","title":"A 16-kbit/s wideband speech codec scalable with g.729","display_name":"A 16-kbit/s wideband speech codec scalable with g.729","publication_year":1997,"publication_date":"1997-09-22","ids":{"openalex":"https://openalex.org/W1532080587","doi":"https://doi.org/10.21437/eurospeech.1997-431","mag":"1532080587"},"language":"en","primary_location":{"id":"doi:10.21437/eurospeech.1997-431","is_oa":false,"landing_page_url":"https://doi.org/10.21437/eurospeech.1997-431","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"5th European Conference on Speech Communication and Technology (Eurospeech 1997)","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/A5108505085","display_name":"A. Kataoka","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"A. Kataoka","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110080686","display_name":"Sachiko Kurihara","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S. Kurihara","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065694778","display_name":"Shinya Sasaki","orcid":"https://orcid.org/0000-0001-6597-4285"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S. Sasaki","raw_affiliation_strings":[],"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5036238907","display_name":"Shigenari Hayashi","orcid":"https://orcid.org/0000-0002-1377-465X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S. Hayashi","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5108505085"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.3846,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.81338742,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1491","last_page":"1494"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9869999885559082,"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/T10741","display_name":"Video Coding and Compression Technologies","score":0.9814000129699707,"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/adaptive-multi-rate-audio-codec","display_name":"Adaptive Multi-Rate audio codec","score":0.9080906510353088},{"id":"https://openalex.org/keywords/wideband-audio","display_name":"Wideband audio","score":0.8515369892120361},{"id":"https://openalex.org/keywords/codec","display_name":"Codec","score":0.8354771137237549},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8104811310768127},{"id":"https://openalex.org/keywords/full-rate","display_name":"Full Rate","score":0.7254968881607056},{"id":"https://openalex.org/keywords/speech-coding","display_name":"Speech coding","score":0.5852935314178467},{"id":"https://openalex.org/keywords/codec2","display_name":"Codec2","score":0.5163339376449585},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.5027742385864258},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.4676026403903961},{"id":"https://openalex.org/keywords/scalability","display_name":"Scalability","score":0.46739229559898376},{"id":"https://openalex.org/keywords/bitstream","display_name":"Bitstream","score":0.44794419407844543},{"id":"https://openalex.org/keywords/voice-activity-detection","display_name":"Voice activity detection","score":0.3056459128856659},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.30478420853614807},{"id":"https://openalex.org/keywords/speech-processing","display_name":"Speech processing","score":0.2471308410167694},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.2452464997768402},{"id":"https://openalex.org/keywords/linear-predictive-coding","display_name":"Linear predictive coding","score":0.22325962781906128},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22307443618774414},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.20394447445869446},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08129659295082092},{"id":"https://openalex.org/keywords/audio-signal","display_name":"Audio signal","score":0.05647125840187073},{"id":"https://openalex.org/keywords/digital-audio","display_name":"Digital audio","score":0.05646422505378723}],"concepts":[{"id":"https://openalex.org/C177067256","wikidata":"https://www.wikidata.org/wiki/Q4676210","display_name":"Adaptive Multi-Rate audio codec","level":4,"score":0.9080906510353088},{"id":"https://openalex.org/C173391809","wikidata":"https://www.wikidata.org/wiki/Q2740189","display_name":"Wideband audio","level":5,"score":0.8515369892120361},{"id":"https://openalex.org/C161765866","wikidata":"https://www.wikidata.org/wiki/Q184748","display_name":"Codec","level":2,"score":0.8354771137237549},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8104811310768127},{"id":"https://openalex.org/C197477341","wikidata":"https://www.wikidata.org/wiki/Q2532845","display_name":"Full Rate","level":3,"score":0.7254968881607056},{"id":"https://openalex.org/C13895895","wikidata":"https://www.wikidata.org/wiki/Q3270773","display_name":"Speech coding","level":2,"score":0.5852935314178467},{"id":"https://openalex.org/C75217168","wikidata":"https://www.wikidata.org/wiki/Q1105653","display_name":"Codec2","level":4,"score":0.5163339376449585},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.5027742385864258},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.4676026403903961},{"id":"https://openalex.org/C48044578","wikidata":"https://www.wikidata.org/wiki/Q727490","display_name":"Scalability","level":2,"score":0.46739229559898376},{"id":"https://openalex.org/C136695289","wikidata":"https://www.wikidata.org/wiki/Q415568","display_name":"Bitstream","level":3,"score":0.44794419407844543},{"id":"https://openalex.org/C204201278","wikidata":"https://www.wikidata.org/wiki/Q1332614","display_name":"Voice activity detection","level":3,"score":0.3056459128856659},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.30478420853614807},{"id":"https://openalex.org/C61328038","wikidata":"https://www.wikidata.org/wiki/Q3358061","display_name":"Speech processing","level":2,"score":0.2471308410167694},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.2452464997768402},{"id":"https://openalex.org/C59883199","wikidata":"https://www.wikidata.org/wiki/Q1826438","display_name":"Linear predictive coding","level":3,"score":0.22325962781906128},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22307443618774414},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.20394447445869446},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08129659295082092},{"id":"https://openalex.org/C64922751","wikidata":"https://www.wikidata.org/wiki/Q4650799","display_name":"Audio signal","level":3,"score":0.05647125840187073},{"id":"https://openalex.org/C87687168","wikidata":"https://www.wikidata.org/wiki/Q173114","display_name":"Digital audio","level":4,"score":0.05646422505378723},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.21437/eurospeech.1997-431","is_oa":false,"landing_page_url":"https://doi.org/10.21437/eurospeech.1997-431","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"5th European Conference on Speech Communication and Technology (Eurospeech 1997)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W1492112506","https://openalex.org/W1748248866","https://openalex.org/W2111525235"],"related_works":["https://openalex.org/W2121846146","https://openalex.org/W1578591928","https://openalex.org/W2374470469","https://openalex.org/W2153061039","https://openalex.org/W2042028224","https://openalex.org/W1833606872","https://openalex.org/W2133995409","https://openalex.org/W1601770773","https://openalex.org/W2115236569","https://openalex.org/W2106874932"],"abstract_inverted_index":{"A":[0],"wideband":[1,101],"speech":[2,44,102],"scalable":[3,17,69],"codec":[4,50,110],"is":[5,16,113,124],"proposed":[6,109],"for":[7,88,100,143],"improving":[8],"the":[9,27,95,105,108,118,129,137],"flexibility":[10],"in":[11],"telecommunication":[12],"networks.":[13],"This":[14,63],"coder":[15,139],"with":[18,94],"G.729":[19,96],"(ITU":[20],"8-kbit/s":[21,138],"standard).":[22],"Its":[23],"decoder":[24],"can":[25],"process":[26],"incoming":[28],"bitstream":[29],"at":[30,111,122],"three":[31],"bit":[32],"rates":[33],"(8,":[34],"12,":[35],"and":[36,39,47,74,121],"16":[37],"kbit/s)":[38],"provide":[40],"a":[41,52,71,75,81],"choice":[42],"of":[43,68,107,117,128],"types":[45,67],"(wideband":[46],"telephone-band).":[48],"The":[49],"has":[51,133],"split-band":[53],"structure,":[54],"where":[55],"both":[56],"bands":[57],"are":[58],"coded":[59],"by":[60],"analysis-by-synthesis":[61],"techniques.":[62],"paper":[64],"proposes":[65,80],"two":[66],"codec:":[70],"separate":[72],"one":[73],"composite":[76],"one.":[77],"It":[78],"also":[79],"new":[82],"method":[83],"(an":[84],"additional":[85],"adaptive":[86],"codebook)":[87],"predicting":[89],"pitch,":[90],"while":[91],"maintaining":[92],"scalability":[93],"codec.":[97],"Subjective":[98],"testing":[99],"showed":[103],"that":[104,116,127,136],"quality":[106,142],"16-kbit/s":[112],"equivalent":[114],"to":[115],"64-kbit/s":[119],"G.722,":[120],"12-kbit/s":[123],"better":[125],"than":[126],"48-kbit/s":[130],"G.722.":[131],"Testing":[132],"further":[134],"demonstrated":[135],"provides":[140],"high":[141],"telephone-band":[144],"speech.":[145]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}