{"id":"https://openalex.org/W2089093142","doi":"https://doi.org/10.1002/ett.4460020106","title":"Speech and image coding for digital communications","display_name":"Speech and image coding for digital communications","publication_year":1991,"publication_date":"1991-01-01","ids":{"openalex":"https://openalex.org/W2089093142","doi":"https://doi.org/10.1002/ett.4460020106","mag":"2089093142"},"language":"en","primary_location":{"id":"doi:10.1002/ett.4460020106","is_oa":false,"landing_page_url":"https://doi.org/10.1002/ett.4460020106","pdf_url":null,"source":{"id":"https://openalex.org/S4393917101","display_name":"European Transactions on Telecommunications","issn_l":"1124-318X","issn":["1124-318X","1541-8251"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"European Transactions on Telecommunications","raw_type":"journal-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/A5039977012","display_name":"M. Guglielmo","orcid":null},"institutions":[{"id":"https://openalex.org/I1298633626","display_name":"Telecom Italia Lab","ror":"https://ror.org/01rt74q71","country_code":"IT","type":"facility","lineage":["https://openalex.org/I1298633626","https://openalex.org/I137543953"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Mario Guglielmo","raw_affiliation_strings":["CSELT (Centro Studi e Laboratori Telecomunicazioni S.p.A.), Via G. Reiss Romoli, 276 - 10148 Torino - Italy"],"affiliations":[{"raw_affiliation_string":"CSELT (Centro Studi e Laboratori Telecomunicazioni S.p.A.), Via G. Reiss Romoli, 276 - 10148 Torino - Italy","institution_ids":["https://openalex.org/I1298633626"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035158160","display_name":"G. Modena","orcid":null},"institutions":[{"id":"https://openalex.org/I1298633626","display_name":"Telecom Italia Lab","ror":"https://ror.org/01rt74q71","country_code":"IT","type":"facility","lineage":["https://openalex.org/I1298633626","https://openalex.org/I137543953"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Giulio Modena","raw_affiliation_strings":["CSELT (Centro Studi e Laboratori Telecomunicazioni S.p.A.), Via G. Reiss Romoli, 276 - 10148 Torino - Italy"],"affiliations":[{"raw_affiliation_string":"CSELT (Centro Studi e Laboratori Telecomunicazioni S.p.A.), Via G. Reiss Romoli, 276 - 10148 Torino - Italy","institution_ids":["https://openalex.org/I1298633626"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090956497","display_name":"Roberto Montagna","orcid":null},"institutions":[{"id":"https://openalex.org/I1298633626","display_name":"Telecom Italia Lab","ror":"https://ror.org/01rt74q71","country_code":"IT","type":"facility","lineage":["https://openalex.org/I1298633626","https://openalex.org/I137543953"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Roberto Montagna","raw_affiliation_strings":["CSELT (Centro Studi e Laboratori Telecomunicazioni S.p.A.), Via G. Reiss Romoli, 276 - 10148 Torino - Italy"],"affiliations":[{"raw_affiliation_string":"CSELT (Centro Studi e Laboratori Telecomunicazioni S.p.A.), Via G. Reiss Romoli, 276 - 10148 Torino - Italy","institution_ids":["https://openalex.org/I1298633626"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5039977012"],"corresponding_institution_ids":["https://openalex.org/I1298633626"],"apc_list":null,"apc_paid":null,"fwci":0.5638,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.70891792,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"2","issue":"1","first_page":"21","last_page":"44"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10901","display_name":"Advanced Data Compression Techniques","score":1.0,"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":1.0,"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":0.9986000061035156,"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/T11034","display_name":"Digital Filter Design and Implementation","score":0.9976000189781189,"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":0.7558841705322266},{"id":"https://openalex.org/keywords/standardization","display_name":"Standardization","score":0.6741529107093811},{"id":"https://openalex.org/keywords/sketch","display_name":"Sketch","score":0.6339123249053955},{"id":"https://openalex.org/keywords/coding","display_name":"Coding (social sciences)","score":0.6245844960212708},{"id":"https://openalex.org/keywords/speech-coding","display_name":"Speech coding","score":0.5881639719009399},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.46736595034599304},{"id":"https://openalex.org/keywords/speech-recognition","display_name":"Speech recognition","score":0.4512627422809601},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.38306260108947754}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7558841705322266},{"id":"https://openalex.org/C188087704","wikidata":"https://www.wikidata.org/wiki/Q369577","display_name":"Standardization","level":2,"score":0.6741529107093811},{"id":"https://openalex.org/C2779231336","wikidata":"https://www.wikidata.org/wiki/Q7534724","display_name":"Sketch","level":2,"score":0.6339123249053955},{"id":"https://openalex.org/C179518139","wikidata":"https://www.wikidata.org/wiki/Q5140297","display_name":"Coding (social sciences)","level":2,"score":0.6245844960212708},{"id":"https://openalex.org/C13895895","wikidata":"https://www.wikidata.org/wiki/Q3270773","display_name":"Speech coding","level":2,"score":0.5881639719009399},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.46736595034599304},{"id":"https://openalex.org/C28490314","wikidata":"https://www.wikidata.org/wiki/Q189436","display_name":"Speech recognition","level":1,"score":0.4512627422809601},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.38306260108947754},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/ett.4460020106","is_oa":false,"landing_page_url":"https://doi.org/10.1002/ett.4460020106","pdf_url":null,"source":{"id":"https://openalex.org/S4393917101","display_name":"European Transactions on Telecommunications","issn_l":"1124-318X","issn":["1124-318X","1541-8251"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"European Transactions on Telecommunications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W1748248866","https://openalex.org/W1967066785","https://openalex.org/W1983308546","https://openalex.org/W1988975528","https://openalex.org/W1992662408","https://openalex.org/W2013139519","https://openalex.org/W2019972422","https://openalex.org/W2031614119","https://openalex.org/W2040970278","https://openalex.org/W2064724015","https://openalex.org/W2072128489","https://openalex.org/W2073501560","https://openalex.org/W2082777194","https://openalex.org/W2086880732","https://openalex.org/W2118763712","https://openalex.org/W2119864757","https://openalex.org/W2131664668","https://openalex.org/W2135832525","https://openalex.org/W2136719613","https://openalex.org/W2147523772","https://openalex.org/W2150013946","https://openalex.org/W2151250801","https://openalex.org/W2157605697","https://openalex.org/W2158121634","https://openalex.org/W2159644785","https://openalex.org/W2162944213","https://openalex.org/W2163889646","https://openalex.org/W2584613146","https://openalex.org/W4229694266","https://openalex.org/W4251359135","https://openalex.org/W4256182494"],"related_works":["https://openalex.org/W2378994405","https://openalex.org/W2385974820","https://openalex.org/W2373478030","https://openalex.org/W2378679551","https://openalex.org/W3149739944","https://openalex.org/W1911859126","https://openalex.org/W2120730869","https://openalex.org/W2541680182","https://openalex.org/W2118508889","https://openalex.org/W2166699153"],"abstract_inverted_index":{"Abstract":[0],"The":[1,37,54,156],"paper":[2,55,98],"is":[3,56,65,154],"presenting":[4],"a":[5],"sketch":[6],"of":[7,17,29,39,84,102,112,145],"the":[8,13,18,23,27,40,44,48,62,68,76,79,97,103,109,118,123,127,143,146,151,175],"main":[9,60,80],"results":[10],"achieved":[11],"in":[12,26,58,82,150],"recent":[14],"years":[15],"and":[16,31,43,72,86,94,100,106,115,126,142,163],"ongoing":[19,157],"activities":[20,158],"(mainly":[21],"within":[22,159],"Standardization":[24],"Bodies)":[25],"areas":[28,176],"audio":[30,71,95],"video":[32,140],"coding":[33,74,96,104,141,147],"for":[34,70,89,139],"bandwidth":[35],"reduction.":[36],"evolution":[38,144],"telecommunication":[41],"Field":[42],"needs":[45],"which":[46,177],"originate":[47],"different":[49,110],"standards":[50,168],"are":[51,169],"also":[52,170],"considered.":[53],"organized":[57],"two":[59],"chapters:":[61],"first":[63],"one":[64],"dealing":[66],"with":[67],"techniques":[69,105,148],"speech":[73,93,129],"while":[75],"second":[77],"presents":[78,99],"achievements":[81],"terms":[83],"Recommendations":[85,153],"consolidate":[87],"algorithms":[88],"image":[90],"coding.":[91],"Concerning":[92],"overview":[101],"then":[107],"examines":[108],"environments":[111],"transmissions":[113],"(network":[114],"mobile":[116],"communication),":[117],"bandwidths":[119],"required":[120],"to":[121],"satisfy":[122],"considered":[124],"applications":[125],"defined":[128],"quality":[130],"evaluation":[131],"methods.":[132],"A":[133],"similar":[134],"approach":[135],"has":[136],"been":[137],"used":[138],"appearing":[149],"CCITT":[152,162],"presented.":[155],"CCIR,":[160],"CMIT,":[161],"ISO":[164],"towards":[165],"new":[166],"worldwide":[167],"outlined":[171],"providing":[172],"indications":[173],"on":[174],"will":[178],"require":[179],"further":[180],"developments.":[181]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
