{"id":"https://openalex.org/W1558954048","doi":"https://doi.org/10.7916/d8rn3g61","title":"Continuous-Time and Companding Digital Signal Processors Using Adaptivity and Asynchronous Techniques","display_name":"Continuous-Time and Companding Digital Signal Processors Using Adaptivity and Asynchronous Techniques","publication_year":2013,"publication_date":"2013-01-01","ids":{"openalex":"https://openalex.org/W1558954048","doi":"https://doi.org/10.7916/d8rn3g61","mag":"1558954048"},"language":"en","primary_location":{"id":"pmh:oai:academiccommons.columbia.edu:10.7916/D8RN3G61","is_oa":false,"landing_page_url":"https://doi.org/10.7916/D8RN3G61","pdf_url":null,"source":{"id":"https://openalex.org/S4306402601","display_name":"Columbia Academic Commons (Columbia University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I78577930","host_organization_name":"Columbia University","host_organization_lineage":["https://openalex.org/I78577930"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Theses"},"type":"article","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.7916/d8rn3g61","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5066505135","display_name":"Christos Vezyrtzis","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Vezyrtzis, Christos","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5066505135"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.03815687,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"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/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10323","display_name":"Analog and Mixed-Signal Circuit Design","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10829","display_name":"Interconnection Networks and Systems","score":0.9987999796867371,"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/T11417","display_name":"Advancements in PLL and VCO Technologies","score":0.9987999796867371,"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/companding","display_name":"Companding","score":0.8166993856430054},{"id":"https://openalex.org/keywords/asynchronous-communication","display_name":"Asynchronous communication","score":0.7764602899551392},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7242012023925781},{"id":"https://openalex.org/keywords/digital-signal","display_name":"Digital signal","score":0.5086889863014221},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.491688072681427},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.45303523540496826},{"id":"https://openalex.org/keywords/digital-signal-processing","display_name":"Digital signal processing","score":0.4326595366001129},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3305511772632599},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.2595260739326477},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23469310998916626},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.08431392908096313}],"concepts":[{"id":"https://openalex.org/C104250799","wikidata":"https://www.wikidata.org/wiki/Q1780765","display_name":"Companding","level":4,"score":0.8166993856430054},{"id":"https://openalex.org/C151319957","wikidata":"https://www.wikidata.org/wiki/Q752739","display_name":"Asynchronous communication","level":2,"score":0.7764602899551392},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7242012023925781},{"id":"https://openalex.org/C52773712","wikidata":"https://www.wikidata.org/wiki/Q175022","display_name":"Digital signal","level":3,"score":0.5086889863014221},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.491688072681427},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.45303523540496826},{"id":"https://openalex.org/C84462506","wikidata":"https://www.wikidata.org/wiki/Q173142","display_name":"Digital signal processing","level":2,"score":0.4326595366001129},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3305511772632599},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.2595260739326477},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23469310998916626},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.08431392908096313},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:academiccommons.columbia.edu:10.7916/D8RN3G61","is_oa":false,"landing_page_url":"https://doi.org/10.7916/D8RN3G61","pdf_url":null,"source":{"id":"https://openalex.org/S4306402601","display_name":"Columbia Academic Commons (Columbia University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I78577930","host_organization_name":"Columbia University","host_organization_lineage":["https://openalex.org/I78577930"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Theses"},{"id":"mag:1558954048","is_oa":false,"landing_page_url":"https://academiccommons.columbia.edu/doi/10.7916/D8QF9153/download","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":null},{"id":"doi:10.7916/d8rn3g61","is_oa":true,"landing_page_url":"https://doi.org/10.7916/d8rn3g61","pdf_url":null,"source":{"id":"https://openalex.org/S4306402601","display_name":"Columbia Academic Commons (Columbia University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I78577930","host_organization_name":"Columbia University","host_organization_lineage":["https://openalex.org/I78577930"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"doi:10.7916/d8rn3g61","is_oa":true,"landing_page_url":"https://doi.org/10.7916/d8rn3g61","pdf_url":null,"source":{"id":"https://openalex.org/S4306402601","display_name":"Columbia Academic Commons (Columbia University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I78577930","host_organization_name":"Columbia University","host_organization_lineage":["https://openalex.org/I78577930"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.6399999856948853,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":95,"referenced_works":["https://openalex.org/W50271627","https://openalex.org/W607933207","https://openalex.org/W1210684466","https://openalex.org/W1485781696","https://openalex.org/W1492691317","https://openalex.org/W1535262937","https://openalex.org/W1535749512","https://openalex.org/W1561990762","https://openalex.org/W1563555140","https://openalex.org/W1580561995","https://openalex.org/W1612840173","https://openalex.org/W1651903856","https://openalex.org/W1666015432","https://openalex.org/W1719157928","https://openalex.org/W1972827198","https://openalex.org/W1976735509","https://openalex.org/W1982876335","https://openalex.org/W1984783141","https://openalex.org/W1989395836","https://openalex.org/W1990239937","https://openalex.org/W1994610580","https://openalex.org/W1997826936","https://openalex.org/W1999082644","https://openalex.org/W2002519749","https://openalex.org/W2013041207","https://openalex.org/W2025071437","https://openalex.org/W2029568214","https://openalex.org/W2034809602","https://openalex.org/W2038062484","https://openalex.org/W2044415289","https://openalex.org/W2050684723","https://openalex.org/W2052099679","https://openalex.org/W2071013649","https://openalex.org/W2076731692","https://openalex.org/W2090920354","https://openalex.org/W2093364626","https://openalex.org/W2096522967","https://openalex.org/W2097327903","https://openalex.org/W2099034654","https://openalex.org/W2100917017","https://openalex.org/W2101456474","https://openalex.org/W2102514271","https://openalex.org/W2104046583","https://openalex.org/W2104610013","https://openalex.org/W2105980164","https://openalex.org/W2106663331","https://openalex.org/W2112398300","https://openalex.org/W2115760357","https://openalex.org/W2116120365","https://openalex.org/W2118565267","https://openalex.org/W2119199553","https://openalex.org/W2119354504","https://openalex.org/W2120733705","https://openalex.org/W2121585416","https://openalex.org/W2121914493","https://openalex.org/W2122502139","https://openalex.org/W2125655227","https://openalex.org/W2126050692","https://openalex.org/W2126507962","https://openalex.org/W2131675349","https://openalex.org/W2132693218","https://openalex.org/W2134120396","https://openalex.org/W2137310043","https://openalex.org/W2138602335","https://openalex.org/W2139242438","https://openalex.org/W2139543448","https://openalex.org/W2139924392","https://openalex.org/W2141242940","https://openalex.org/W2141393995","https://openalex.org/W2142896144","https://openalex.org/W2143797098","https://openalex.org/W2143950639","https://openalex.org/W2145277443","https://openalex.org/W2145303922","https://openalex.org/W2145654204","https://openalex.org/W2149534087","https://openalex.org/W2151247750","https://openalex.org/W2153257335","https://openalex.org/W2154105840","https://openalex.org/W2155971716","https://openalex.org/W2163292393","https://openalex.org/W2163630970","https://openalex.org/W2165766091","https://openalex.org/W2166608639","https://openalex.org/W2168221955","https://openalex.org/W2170057365","https://openalex.org/W2170149813","https://openalex.org/W2182773004","https://openalex.org/W2241852983","https://openalex.org/W2262482678","https://openalex.org/W2343639997","https://openalex.org/W2487142227","https://openalex.org/W2732428630","https://openalex.org/W2911717499","https://openalex.org/W3099329898"],"related_works":["https://openalex.org/W1719157928","https://openalex.org/W1521641148","https://openalex.org/W2316373600","https://openalex.org/W2269536029","https://openalex.org/W1562228246","https://openalex.org/W2248871226","https://openalex.org/W2281295387","https://openalex.org/W2261891247","https://openalex.org/W2246964036","https://openalex.org/W2766286431","https://openalex.org/W3107122741","https://openalex.org/W2149561022","https://openalex.org/W2292849498","https://openalex.org/W3188121353","https://openalex.org/W2263592969","https://openalex.org/W2159219690","https://openalex.org/W2020269452","https://openalex.org/W3204153463","https://openalex.org/W2520829271","https://openalex.org/W2591391635"],"abstract_inverted_index":{"The":[0,74,131,166,186,248,335,419,463],"fully":[1],"synchronous":[2,246,265],"approach":[3],"has":[4,24,40,250,319],"been":[5,25],"the":[6,20,71,86,109,114,140,161,179,193,216,231,251,277,328,358,361,379,412,431,438,445,454,460,470,501,506,526],"norm":[7],"for":[8,13,46,107,208,276,285,312,476,491,513],"digital":[9,262,303],"signal":[10,184],"processors":[11],"(DSPs)":[12],"many":[14,28,240],"decades.":[15],"Due":[16],"to":[17,32,64,98,100,121,160,215,238,290,297,310,327,345,356,384,437,500,519],"its":[18,33],"simplicity,":[19],"classical":[21,38,72,286],"DSP":[22,39,226,235,488,527],"structure":[23],"used":[26],"in":[27,82,178,366,378,423],"applications.":[29],"However,":[30],"due":[31,326],"rigid":[34],"discrete-time":[35],"operation,":[36],"a":[37,169,173,199,223,320,342,367,375,398,408,415,442,474,481,486],"limited":[41,296],"efficiency":[42],"or":[43,90],"inadequate":[44],"resolution":[45],"some":[47,101],"emerging":[48],"applications,":[49],"such":[50,272],"as":[51,125,127,386],"processing":[52],"of":[53,77,88,103,111,113,134,163,168,176,188,198,219,243,253,257,302,331,338,363,414,430,503],"multimedia":[54],"and":[55,150,157,195,245,266,282,305,315,323,435,457],"biological":[56],"signals.":[57,247],"This":[58,116,213,228,394],"thesis":[59,84,117,141,190,340,425,446],"proposes":[60],"fundamentally":[61],"new":[62,79,128,224],"approaches":[63],"designing":[65],"DSPs,":[66,124,293,521],"which":[67,294],"are":[68,137,142,148],"different":[69,241,261,313],"from":[70],"scheme.":[73],"defining":[75],"characteristic":[76],"all":[78],"DSPs":[80,93,135,147,210,281,495],"examined":[81,138],"this":[83,189,220,317,339,424],"is":[85,211,230,274,283,341,353,489,523],"notion":[87],"\"adaptivity\"":[89],"\"adaptability.\"":[91],"Adaptive":[92,371],"dynamically":[94],"change":[95,112],"their":[96,104,155,164,497,504],"behavior":[97],"adjust":[99],"property":[102,252,273],"input":[105,439],"stream,":[106],"example":[108],"rate":[110,162],"input.":[115],"presents":[118],"both":[119,264],"enhancements":[120],"existing":[122],"adaptive":[123,129,347,365],"well":[126],"DSPs.":[130,145,287],"main":[132,217],"class":[133],"that":[136],"throughout":[139],"continuous-time":[143],"(CT)":[144],"CT":[146,202,209,225,234,244,280,292,405,416,455],"clock-less":[149],"event-driven;":[151],"they":[152],"naturally":[153],"adapt":[154,496],"activity":[156],"power":[158,381,401],"consumption":[159],"inputs.":[165,515],"absence":[167],"clock":[170],"also":[171,447],"provides":[172],"complete":[174,194,343],"avoidance":[175],"aliasing":[177],"frequency":[180],"domain,":[181],"hence":[182],"improved":[183],"fidelity.":[185],"core":[187],"deals":[191],"with":[192],"systematic":[196,329],"design":[197,206,307,333,346,392],"truly":[200],"general-purpose":[201,233],"DSP.":[203],"A":[204],"scalable":[205,324],"methodology":[207,344,421,472],"presented.":[212],"leads":[214],"contribution":[218,337],"thesis,":[221],"namely":[222],"chip.":[227],"chip":[229,249,318],"first":[232,278],"chip,":[236],"able":[237],"process":[239],"classes":[242],"handling":[254],"various":[255,260],"types":[256],"signals,":[258],"i.e.":[259,360],"modulations,":[263],"asynchronous,":[267],"without":[268,534],"requiring":[269,535],"any":[270,404],"reconfiguration;":[271],"presented":[275,422,490],"time":[279],"impossible":[284],"As":[288,441],"opposed":[289],"previous":[291],"were":[295],"using":[298,459,480],"only":[299,466],"one":[300,452,458],"type":[301],"format,":[304],"whose":[306],"was":[308],"hard":[309],"scale":[311],"bandwidths":[314],"bit-widths,":[316],"formal,":[321],"robust":[322,420],"design,":[325],"usage":[330],"asynchronous":[332],"techniques.":[334],"second":[336],"delay":[348,369,409],"lines.":[349],"In":[350],"particular,":[351],"it":[352,522],"shown":[354,524],"how":[355,525],"make":[357],"granularity,":[359,433],"number":[362],"stages,":[364],"real-time":[368],"line.":[370],"granularity":[372],"brings":[373],"about":[374],"significant":[376],"improvement":[377],"line's":[380,432],"consumption,":[382],"up":[383],"70%":[385],"reported":[387],"by":[388,479],"simulations":[389],"on":[390,403,467],"two":[391,449],"examples.":[393],"enhancement":[395],"can":[396,508,529],"have":[397],"direct":[399],"large":[400],"impact":[402],"DSP,":[406],"since":[407],"line":[410],"consumes":[411],"majority":[413],"DSP's":[417],"power.":[418],"allows":[426],"safe":[427],"dynamic":[428,498],"reconfiguration":[429],"on-the-fly":[434],"according":[436],"traffic.":[440],"final":[443],"contribution,":[444],"examines":[448],"additional":[450],"DSPs:":[451],"operating":[453],"domain":[456],"companding":[461,487,518],"technique.":[462],"former":[464],"operates":[465],"level-crossing":[468],"samples;":[469],"proposed":[471],"shows":[473],"potential":[475],"high-quality":[477,510],"outputs":[478,511],"complex":[482,536],"interpolation":[483],"function.":[484],"Finally,":[485],"MPEG":[492,520],"audio.":[493],"Companding":[494],"range":[499],"amplitude":[502],"input;":[505],"resulting":[507],"offer":[509],"even":[512],"small":[514],"By":[516],"applying":[517],"distortion":[528],"be":[530],"made":[531],"almost":[532],"inaudible,":[533],"arithmetic":[537],"hardware.":[538]},"counts_by_year":[{"year":2017,"cited_by_count":1}],"updated_date":"2025-11-06T06:51:31.235846","created_date":"2025-10-10T00:00:00"}