{"id":"https://openalex.org/W2798449367","doi":null,"title":"A MODIFIED BLOCK ADAPTIVE PREDICTIVE CODER FOR SPEECH PROCESSING","display_name":"A MODIFIED BLOCK ADAPTIVE PREDICTIVE CODER FOR SPEECH PROCESSING","publication_year":1993,"publication_date":"1993-01-01","ids":{"openalex":"https://openalex.org/W2798449367","mag":"2798449367"},"language":"en","primary_location":{"id":"mag:2798449367","doi":null,"is_oa":false,"landing_page_url":"https://dyuthi.cusat.ac.in/xmlui/bitstream/handle/purl/3732/Dyuthi-T1697.pdf?sequence=1","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5003607284","display_name":"A Thesis","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A Thesis","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5019615830","display_name":"Tessamma Thomas","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tessamma Thomas","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9711999893188477,"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":0.9711999893188477,"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":0.01269999984651804,"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":0.005200000014156103,"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/linear-predictive-coding","display_name":"linear predictive coding","score":0.9779999852180481},{"id":"https://openalex.org/keywords/speech-coding","display_name":"speech coding","score":0.7860000133514404},{"id":"https://openalex.org/keywords/computational-cost-reduction","display_name":"computational complexity reduction","score":0.8550000190734863},{"id":"https://openalex.org/keywords/voiced-unvoiced-classification","display_name":"voiced/unvoiced classification","score":0.8220000267028809},{"id":"https://openalex.org/keywords/pitch-period","display_name":"pitch period","score":0.49799999594688416},{"id":"https://openalex.org/keywords/autocorrelation-method","display_name":"autocorrelation method","score":0.7440000176429749},{"id":"https://openalex.org/keywords/covariance-method","display_name":"covariance method","score":0.9929999709129333},{"id":"https://openalex.org/keywords/filter-stability","display_name":"filter stability","score":0.7250000238418579},{"id":"https://openalex.org/keywords/speech-quality","display_name":"speech quality","score":0.47699999809265137},{"id":"https://openalex.org/keywords/speaker-recognition","display_name":"speaker recognition","score":0.5879999995231628},{"id":"https://openalex.org/keywords/phoneme-identification","display_name":"phoneme identification","score":0.8840000033378601}],"concepts":[{"id":"https://openalex.org/C59883199","wikidata":"https://www.wikidata.org/wiki/Q1826438","display_name":"Linear predictive coding","level":3,"score":0.7268056273460388},{"id":"https://openalex.org/C5297727","wikidata":"https://www.wikidata.org/wiki/Q786970","display_name":"Autocorrelation","level":2,"score":0.652751088142395},{"id":"https://openalex.org/C105964291","wikidata":"https://www.wikidata.org/wiki/Q856184","display_name":"Code-excited linear prediction","level":4,"score":0.6209558844566345},{"id":"https://openalex.org/C131109320","wikidata":"https://www.wikidata.org/wiki/Q581012","display_name":"Linear prediction","level":2,"score":0.6032600402832031},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.5956407189369202},{"id":"https://openalex.org/C13895895","wikidata":"https://www.wikidata.org/wiki/Q3270773","display_name":"Speech coding","level":2,"score":0.5953755974769592},{"id":"https://openalex.org/C138807605","wikidata":"https://www.wikidata.org/wiki/Q7917845","display_name":"Vector sum excited linear prediction","level":5,"score":0.5825743079185486},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5548252463340759},{"id":"https://openalex.org/C61328038","wikidata":"https://www.wikidata.org/wiki/Q3358061","display_name":"Speech processing","level":2,"score":0.5140570402145386},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.46455758810043335},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.43940433859825134},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.34515464305877686},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.229407399892807}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2798449367","doi":null,"is_oa":false,"landing_page_url":"https://dyuthi.cusat.ac.in/xmlui/bitstream/handle/purl/3732/Dyuthi-T1697.pdf?sequence=1","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":72,"referenced_works":["https://openalex.org/W132284139","https://openalex.org/W198103728","https://openalex.org/W808091481","https://openalex.org/W1510492324","https://openalex.org/W1536990986","https://openalex.org/W1537140007","https://openalex.org/W1545845798","https://openalex.org/W1565972789","https://openalex.org/W1729533283","https://openalex.org/W1819521756","https://openalex.org/W1828196350","https://openalex.org/W1838402962","https://openalex.org/W1862249232","https://openalex.org/W1863351891","https://openalex.org/W1906397540","https://openalex.org/W1965565710","https://openalex.org/W1966264494","https://openalex.org/W1967066785","https://openalex.org/W1968127489","https://openalex.org/W1970272279","https://openalex.org/W1976855166","https://openalex.org/W1982933732","https://openalex.org/W1993843436","https://openalex.org/W1999405202","https://openalex.org/W2014419911","https://openalex.org/W2018130331","https://openalex.org/W2021847416","https://openalex.org/W2032474878","https://openalex.org/W2036211147","https://openalex.org/W2037034710","https://openalex.org/W2038948227","https://openalex.org/W2048453892","https://openalex.org/W2050244349","https://openalex.org/W2050518188","https://openalex.org/W2050693797","https://openalex.org/W2064724015","https://openalex.org/W2069501481","https://openalex.org/W2078498116","https://openalex.org/W2088632109","https://openalex.org/W2096854203","https://openalex.org/W2097645910","https://openalex.org/W2099304233","https://openalex.org/W2102991665","https://openalex.org/W2113496063","https://openalex.org/W2119603077","https://openalex.org/W2120180883","https://openalex.org/W2120549396","https://openalex.org/W2121300933","https://openalex.org/W2123914639","https://openalex.org/W2124597693","https://openalex.org/W2125208212","https://openalex.org/W2125479142","https://openalex.org/W2128249200","https://openalex.org/W2129586785","https://openalex.org/W2131664668","https://openalex.org/W2135613078","https://openalex.org/W2135933868","https://openalex.org/W2138054245","https://openalex.org/W2142591210","https://openalex.org/W2143039550","https://openalex.org/W2145541334","https://openalex.org/W2151626637","https://openalex.org/W2157225271","https://openalex.org/W2164373835","https://openalex.org/W2169020788","https://openalex.org/W2169202780","https://openalex.org/W2169942170","https://openalex.org/W2241684006","https://openalex.org/W2468281500","https://openalex.org/W2584393883","https://openalex.org/W3141269248","https://openalex.org/W4235422353"],"related_works":["https://openalex.org/W1951754782","https://openalex.org/W808091481","https://openalex.org/W2169718034","https://openalex.org/W62929309","https://openalex.org/W2037034710","https://openalex.org/W2048453892","https://openalex.org/W7096432652","https://openalex.org/W4254905096","https://openalex.org/W2131279485","https://openalex.org/W74749571"],"abstract_inverted_index":{"This":[0,54,78],"thesis":[1,227],"investigated":[2],"the":[3,24,31,37,48,60,66,69,72,80,83,88,103,108,113,116,123,127,146,180,183,193,197,210,223,234,237,242,245,253,259,265,275,297,343,346],"potential":[4],"use":[5],"of":[6,82,91,115,126,145,155,182,244,345],"Linear":[7],"Predictive":[8,18],"Coding":[9],"in":[10,47,64,87,112,217,241,270,277,314],"speech":[11,32,117,160,298,320],"communication":[12],"applications.":[13],"A":[14],"Modified":[15,283],"Block":[16,284],"Adaptive":[17,285],"Coder":[19,286],"is":[20,56,75,119,173,256,279],"developed,":[21],"which":[22,101,208],"reduces":[23],"computational":[25],"burden":[26],"and":[27,71,179,236,268,317,324,333],"complexity":[28],"without":[29],"sacrificing":[30],"quality,":[33],"as":[34,57,137,192],"compared":[35],"to":[36,122,221,258,264,293,307],"conventional":[38],"adaptive":[39],"predictive":[40,93],"coding":[41,94],"(APC)":[42],"system.":[43],"For":[44],"this,":[45],"changes":[46,300],"evaluation":[49],"methods":[50,163,239],"have":[51,167],"been":[52,151,168,215,250,340],"evolved.":[53],"method":[55,187,199,255,261],"different":[58],"from":[59,290,301,322],"usual":[61],"APC":[62],"system":[63,337],"that":[65,252],"difference":[67],"between":[68],"true":[70],"predicted":[73],"value":[74],"not":[76],"transmitted.":[77],"allows":[79],"replacement":[81],"high":[84],"order":[85],"predictor":[86,246],"transmitter":[89,104],"section":[90],"a":[92,97,134,201,218,230,288,302,329,334],"system,":[95],"by":[96,140],"simple":[98],"delay":[99],"unit,":[100],"makes":[102],"quite":[105],"simple.":[106],"Also,":[107],"block":[109],"length":[110,136],"used":[111,240,319],"processing":[114],"signal":[118,128],"adjusted":[120],"relative":[121],"pitch":[124,291],"period":[125],"being":[129],"processed":[130],"rather":[131],"than":[132],"choosing":[133],"constant":[135],"hitherto":[138],"done":[139],"other":[141],"researchers.":[142],"The":[143,170,185,205,226,282,311],"efficiency":[144],"newly":[147],"proposed":[148],"coder":[149],"has":[150,214,249,338],"supported":[152],"with":[153,262],"results":[154],"computer":[156],"simulation":[157],"using":[158],"real":[159],"data.":[161],"Three":[162],"for":[164,328],"voiced/unvoiced/silent/transition":[165],"classification":[166],"presented.":[169],"first":[171],"one":[172],"based":[174],"on":[175],"energy,":[176],"zerocrossing":[177],"rate":[178],"periodicity":[181],"waveform.":[184],"second":[186],"uses":[188],"normalised":[189],"correlation":[190,203],"coefficient":[191],"main":[194],"parameter,":[195],"while":[196],"third":[198,206],"utilizes":[200],"pitch-dependent":[202],"factor.":[204],"algorithm":[207],"gives":[209],"minimum":[211],"error":[212],"probability":[213],"chosen":[216],"later":[219],"chapter":[220],"design":[222],"modified":[224],"coder.":[225],"also":[228,269,339],"presents":[229],"comparazive":[231],"study":[232],"beh-cm":[233],"autocorrelation":[235],"covariance":[238,260],"evaluaiicn":[243],"parameters.":[247],"It":[248],"proved":[251],"azztocorrelation":[254],"superior":[257],"respect":[263],"filter":[266],"stabf-it)\u2018":[267],"an":[271,308],"SNR":[272],"sense,":[273],"though":[274],"increase":[276],"gain":[278],"only":[280],"small.":[281],"applies":[287],"switching":[289],"precitzion":[292],"spectrum":[294],"prediction":[295],"when":[296],"segment":[299],"voiced":[303],"or":[304],"transition":[305],"region":[306],"unvoiced":[309],"region.":[310],"experiments":[312],"cont;-:ted":[313],"coding,":[315],"transmission":[316],"simulation,":[318],"samples":[321],".\\\u00a3=_\u2018ajr2_1a:r1":[323],"English":[325],"phrases.":[326],"Proposal":[327],"speaker":[330],"reecgnifion":[331],"syste:":[332],"phoneme":[335],"identification":[336],"outlized":[341],"towards":[342],"end":[344],"thesis.":[347],"CONTENTS":[348],"Page":[349],"ABSTRACI\u2018":[350],"ii":[351],"Chapter":[352]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2018-05-07T00:00:00"}
