Stefania Cecchi, Valeria Bruschi, Stefano Nobili, Alessandro Terenzi, Vesa Välimäki
{"title":"跨界网络:综述","authors":"Stefania Cecchi, Valeria Bruschi, Stefano Nobili, Alessandro Terenzi, Vesa Välimäki","doi":"10.17743/jaes.2022.0100","DOIUrl":null,"url":null,"abstract":"Crossover networks for multi-way loudspeaker systems and audio processing are reviewed, includingbothanaloganddigitaldesigns.Ahigh-qualitycrossovernetworkmustmaintainaflat overallmagnituderesponse,withinsmalltolerances,andasufficientlylinearphaseresponse.Simultaneously,thecrossoverfiltersforeachbandmustprovideasteeptransitiontoproperly separatethebands,alsoaccountingforthefrequencyrangesofthedrivers.Furthermore,crossoverfiltersaffectthepolarresponseoftheloudspeaker,whichshouldvarysmoothlyand symmetricallyinthelisteningwindow.Thecrossoverfiltersshouldadditionallybeeconomicaltoimplementandnotcausemuchlatency.Perceptualaspectsandtheinclusionofequalization inthecrossovernetworkarediscussed.Variousapplicationsofcrossoverfiltersinaudioengineeringareexplained,suchasinmultibandcompressorsandineffectsprocessing.Several methodsarecomparedintermsofthebasicrequirementsandcomputationalcost.Theresultsleadtotherecommendationofanall-pass-filter–basedLinkwitz-Rileycrossovernetwork, whenacomputationallyefficientminimum-phasesolutionisdesired.Whenalinear-phasecrossovernetworkisselected,thethroughputdelaybecomeslargerthanwithminimum-phase filters.Digitallinear-phasecrossoverfiltershavingafiniteimpulseresponsemaybedesignedbyoptimizationandimplementedefficientlyusingacomplementarystructure.","PeriodicalId":50008,"journal":{"name":"Journal of the Audio Engineering Society","volume":"85 1","pages":"0"},"PeriodicalIF":1.1000,"publicationDate":"2023-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Crossover Networks: A Review\",\"authors\":\"Stefania Cecchi, Valeria Bruschi, Stefano Nobili, Alessandro Terenzi, Vesa Välimäki\",\"doi\":\"10.17743/jaes.2022.0100\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Crossover networks for multi-way loudspeaker systems and audio processing are reviewed, includingbothanaloganddigitaldesigns.Ahigh-qualitycrossovernetworkmustmaintainaflat overallmagnituderesponse,withinsmalltolerances,andasufficientlylinearphaseresponse.Simultaneously,thecrossoverfiltersforeachbandmustprovideasteeptransitiontoproperly separatethebands,alsoaccountingforthefrequencyrangesofthedrivers.Furthermore,crossoverfiltersaffectthepolarresponseoftheloudspeaker,whichshouldvarysmoothlyand symmetricallyinthelisteningwindow.Thecrossoverfiltersshouldadditionallybeeconomicaltoimplementandnotcausemuchlatency.Perceptualaspectsandtheinclusionofequalization inthecrossovernetworkarediscussed.Variousapplicationsofcrossoverfiltersinaudioengineeringareexplained,suchasinmultibandcompressorsandineffectsprocessing.Several methodsarecomparedintermsofthebasicrequirementsandcomputationalcost.Theresultsleadtotherecommendationofanall-pass-filter–basedLinkwitz-Rileycrossovernetwork, whenacomputationallyefficientminimum-phasesolutionisdesired.Whenalinear-phasecrossovernetworkisselected,thethroughputdelaybecomeslargerthanwithminimum-phase filters.Digitallinear-phasecrossoverfiltershavingafiniteimpulseresponsemaybedesignedbyoptimizationandimplementedefficientlyusingacomplementarystructure.\",\"PeriodicalId\":50008,\"journal\":{\"name\":\"Journal of the Audio Engineering Society\",\"volume\":\"85 1\",\"pages\":\"0\"},\"PeriodicalIF\":1.1000,\"publicationDate\":\"2023-09-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of the Audio Engineering Society\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.17743/jaes.2022.0100\",\"RegionNum\":4,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"ACOUSTICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the Audio Engineering Society","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.17743/jaes.2022.0100","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"ACOUSTICS","Score":null,"Total":0}
Crossover networks for multi-way loudspeaker systems and audio processing are reviewed, includingbothanaloganddigitaldesigns.Ahigh-qualitycrossovernetworkmustmaintainaflat overallmagnituderesponse,withinsmalltolerances,andasufficientlylinearphaseresponse.Simultaneously,thecrossoverfiltersforeachbandmustprovideasteeptransitiontoproperly separatethebands,alsoaccountingforthefrequencyrangesofthedrivers.Furthermore,crossoverfiltersaffectthepolarresponseoftheloudspeaker,whichshouldvarysmoothlyand symmetricallyinthelisteningwindow.Thecrossoverfiltersshouldadditionallybeeconomicaltoimplementandnotcausemuchlatency.Perceptualaspectsandtheinclusionofequalization inthecrossovernetworkarediscussed.Variousapplicationsofcrossoverfiltersinaudioengineeringareexplained,suchasinmultibandcompressorsandineffectsprocessing.Several methodsarecomparedintermsofthebasicrequirementsandcomputationalcost.Theresultsleadtotherecommendationofanall-pass-filter–basedLinkwitz-Rileycrossovernetwork, whenacomputationallyefficientminimum-phasesolutionisdesired.Whenalinear-phasecrossovernetworkisselected,thethroughputdelaybecomeslargerthanwithminimum-phase filters.Digitallinear-phasecrossoverfiltershavingafiniteimpulseresponsemaybedesignedbyoptimizationandimplementedefficientlyusingacomplementarystructure.
期刊介绍：
The Journal of the Audio Engineering Society — the official publication of the AES — is the only peer-reviewed journal devoted exclusively to audio technology. Published 10 times each year, it is available to all AES members and subscribers.
The Journal contains state-of-the-art technical papers and engineering reports; feature articles covering timely topics; pre and post reports of AES conventions and other society activities; news from AES sections around the world; Standards and Education Committee work; membership news, patents, new products, and newsworthy developments in the field of audio.
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