{"id":"https://openalex.org/W1969653274","doi":"https://doi.org/10.1109/icassp.2008.4518733","title":"Estimation of ‘quality per call’ in modelled telephone conversations","display_name":"Estimation of ‘quality per call’ in modelled telephone conversations","publication_year":2008,"publication_date":"2008-03-01","ids":{"openalex":"https://openalex.org/W1969653274","doi":"https://doi.org/10.1109/icassp.2008.4518733","mag":"1969653274"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2008.4518733","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2008.4518733","pdf_url":null,"source":{"id":"https://openalex.org/S4210167542","display_name":"Proceedings of the ... IEEE International Conference on Acoustics, Speech, and Signal Processing","issn_l":"1520-6149","issn":["1520-6149","2379-190X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE International Conference on Acoustics, Speech and Signal Processing","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/A5013879623","display_name":"Jens Berger","orcid":"https://orcid.org/0000-0002-8978-5099"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"J. Berger","raw_affiliation_strings":["SwissQual AG, Switzerland"],"affiliations":[{"raw_affiliation_string":"SwissQual AG, Switzerland","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046555473","display_name":"A. Hellenbart","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A. Hellenbart","raw_affiliation_strings":["SwissQual AG, Switzerland"],"affiliations":[{"raw_affiliation_string":"SwissQual AG, Switzerland","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029543936","display_name":"Raphael Ullmann","orcid":"https://orcid.org/0000-0003-4268-5717"},"institutions":[{"id":"https://openalex.org/I4210093367","display_name":"Deutsche Telekom (Germany)","ror":"https://ror.org/00m8prc86","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210093367"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"R. Ullmann","raw_affiliation_strings":["Deutsche Telekom Labs, Berlin University of Technology, Germany"],"affiliations":[{"raw_affiliation_string":"Deutsche Telekom Labs, Berlin University of Technology, Germany","institution_ids":["https://openalex.org/I4210093367"]}]},{"author_position":"middle","author":{"id":null,"display_name":"B. Weiss","orcid":null},"institutions":[{"id":"https://openalex.org/I4210093367","display_name":"Deutsche Telekom (Germany)","ror":"https://ror.org/00m8prc86","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210093367"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"B. Weiss","raw_affiliation_strings":["Deutsche Telekom Labs, Berlin University of Technology, Germany"],"affiliations":[{"raw_affiliation_string":"Deutsche Telekom Labs, Berlin University of Technology, Germany","institution_ids":["https://openalex.org/I4210093367"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075001284","display_name":"Sebastian M\u00f6ller","orcid":"https://orcid.org/0000-0003-3057-0760"},"institutions":[{"id":"https://openalex.org/I4210093367","display_name":"Deutsche Telekom (Germany)","ror":"https://ror.org/00m8prc86","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210093367"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"S. Moller","raw_affiliation_strings":["Deutsche Telekom Labs, Berlin University of Technology, Germany"],"affiliations":[{"raw_affiliation_string":"Deutsche Telekom Labs, Berlin University of Technology, Germany","institution_ids":["https://openalex.org/I4210093367"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069619165","display_name":"J\u00f6rgen Gustafsson","orcid":null},"institutions":[{"id":"https://openalex.org/I1306339040","display_name":"Ericsson (Sweden)","ror":"https://ror.org/05a7rhx54","country_code":"SE","type":"company","lineage":["https://openalex.org/I1306339040"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"J. Gustafsson","raw_affiliation_strings":["Ericsson AB, Sweden"],"affiliations":[{"raw_affiliation_string":"Ericsson AB, Sweden","institution_ids":["https://openalex.org/I1306339040"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082061494","display_name":"G. Heikkila","orcid":null},"institutions":[{"id":"https://openalex.org/I1306339040","display_name":"Ericsson (Sweden)","ror":"https://ror.org/05a7rhx54","country_code":"SE","type":"company","lineage":["https://openalex.org/I1306339040"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"G. Heikkila","raw_affiliation_strings":["Ericsson AB, Sweden"],"affiliations":[{"raw_affiliation_string":"Ericsson AB, Sweden","institution_ids":["https://openalex.org/I1306339040"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5013879623"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.2039,"has_fulltext":false,"cited_by_count":19,"citation_normalized_percentile":{"value":0.69725864,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"4809","last_page":"4812"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10860","display_name":"Speech and Audio Processing","score":0.9607999920845032,"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":0.9607999920845032,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9448000192642212,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9004999995231628,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/conversation","display_name":"Conversation","score":0.7070069909095764},{"id":"https://openalex.org/keywords/active-listening","display_name":"Active listening","score":0.6952953934669495},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6609806418418884},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.6162371635437012},{"id":"https://openalex.org/keywords/weighting","display_name":"Weighting","score":0.605807900428772},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.5686444044113159},{"id":"https://openalex.org/keywords/term","display_name":"Term (time)","score":0.5656954646110535},{"id":"https://openalex.org/keywords/mean-opinion-score","display_name":"Mean opinion score","score":0.517245352268219},{"id":"https://openalex.org/keywords/telephony","display_name":"Telephony","score":0.4626290500164032},{"id":"https://openalex.org/keywords/telephone-call","display_name":"Telephone call","score":0.45109012722969055},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.3411468267440796},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.25995349884033203},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19603872299194336},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.12778380513191223},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08982619643211365},{"id":"https://openalex.org/keywords/operations-management","display_name":"Operations management","score":0.08747389912605286},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.07233807444572449}],"concepts":[{"id":"https://openalex.org/C2777200299","wikidata":"https://www.wikidata.org/wiki/Q52943","display_name":"Conversation","level":2,"score":0.7070069909095764},{"id":"https://openalex.org/C177291462","wikidata":"https://www.wikidata.org/wiki/Q423038","display_name":"Active listening","level":2,"score":0.6952953934669495},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6609806418418884},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.6162371635437012},{"id":"https://openalex.org/C183115368","wikidata":"https://www.wikidata.org/wiki/Q856577","display_name":"Weighting","level":2,"score":0.605807900428772},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.5686444044113159},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.5656954646110535},{"id":"https://openalex.org/C62897895","wikidata":"https://www.wikidata.org/wiki/Q1915482","display_name":"Mean opinion score","level":3,"score":0.517245352268219},{"id":"https://openalex.org/C195358072","wikidata":"https://www.wikidata.org/wiki/Q944584","display_name":"Telephony","level":2,"score":0.4626290500164032},{"id":"https://openalex.org/C2776181593","wikidata":"https://www.wikidata.org/wiki/Q2296401","display_name":"Telephone call","level":2,"score":0.45109012722969055},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.3411468267440796},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.25995349884033203},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19603872299194336},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.12778380513191223},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08982619643211365},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","level":1,"score":0.08747389912605286},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.07233807444572449},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","level":1,"score":0.0},{"id":"https://openalex.org/C46312422","wikidata":"https://www.wikidata.org/wiki/Q11024","display_name":"Communication","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","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},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C176217482","wikidata":"https://www.wikidata.org/wiki/Q860554","display_name":"Metric (unit)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icassp.2008.4518733","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2008.4518733","pdf_url":null,"source":{"id":"https://openalex.org/S4210167542","display_name":"Proceedings of the ... IEEE International Conference on Acoustics, Speech, and Signal Processing","issn_l":"1520-6149","issn":["1520-6149","2379-190X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"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":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education","score":0.47999998927116394}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2180954594","https://openalex.org/W2317723112","https://openalex.org/W2080843559","https://openalex.org/W2151415191","https://openalex.org/W2233428151","https://openalex.org/W4252131222","https://openalex.org/W2357995448","https://openalex.org/W2067949449","https://openalex.org/W2349114770","https://openalex.org/W1963500570"],"abstract_inverted_index":{"We":[0],"present":[1],"a":[2,11,17,86,108,126],"method":[3,23],"to":[4,45,129,146],"estimate":[5],"the":[6,14,96,100,112,115,119,142,150,153,156,184,200,203],"perceived":[7,97],"listening":[8,53],"quality":[9,54,98,110,176,194],"by":[10,66,77],"subscriber":[12],"at":[13],"end":[15],"of":[16,74,79,90,99,107,121,152,155,167,171],"common":[18],"voice":[19],"telephony":[20],"conversation.":[21],"This":[22,196],"was":[24,32,138,186],"recently":[25],"introduced":[26],"in":[27,105,125,132,181],"ETSI":[28,207],"STQ":[29,208],"mobile":[30],"and":[31,118,169,189,202],"approved":[33],"as":[34,61],"TR":[35],"102":[36],"506":[37],"'Speech":[38],"Quality":[39],"per":[40],"Call'.":[41],"The":[42,159],"idea":[43],"is":[44,83,177],"calculate":[46],"this":[47],"\"speech-quality-per-call\"":[48,144],"value":[49],"based":[50,71],"on":[51,72,149],"short-term":[52,75,91],"scores":[55,76,92],"(so-called":[56],"Mean":[57],"Opinion":[58],"Scores,":[59],"MOS),":[60],"they":[62],"are":[63],"usually":[64,178],"derived":[65],"subjective":[67],"listening-only":[68],"tests,":[69],"or":[70],"predictions":[73],"means":[78],"objective":[80],"measures.":[81],"It":[82],"shown":[84],"that":[85,140],"pure":[87],"linear":[88],"averaging":[89],"will":[93],"not":[94],"predict":[95],"entire":[101],"call":[102,127,168],"sufficiently":[103],"well":[104],"case":[106],"non-stationary":[109],"over":[111],"call.":[113],"Mainly":[114],"\"recency":[116],"effect\"":[117],"out-weighting":[120],"very":[122],"bad":[123],"parts":[124],"have":[128],"be":[130,147,162],"considered":[131],"an":[133],"adequate":[134],"way.":[135],"An":[136],"algorithm":[137,160],"developed":[139],"allows":[141],"obtained":[143,193],"score":[145],"predicted":[148,180],"basis":[151],"MOS":[154],"individual":[157,172],"utterances.":[158,173],"can":[161],"applied":[163],"for":[164,191],"various":[165],"lengths":[166],"numbers":[170],"Since":[174],"speech":[175],"objectively":[179,192],"real":[182],"networks":[183],"approach":[185],"also":[187],"proven":[188],"confirmed":[190],"scores.":[195],"paper":[197],"follows":[198],"widely":[199],"work":[201],"decisions":[204],"taken":[205],"within":[206],"mobile.":[209]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2026-03-25T23:56:10.502304","created_date":"2025-10-10T00:00:00"}