Cambridge Introductions to Music Music Technology Emphasisingthecreativeaspectofmusictechnology,thisIntroductionsets outanoverviewofthefieldformusicstudentsinanon-scientificand straightforwardway.Engaginganduser-friendly,thebookcoversstudio concepts:basicaudioandthestudioworkflow,includingaudioandMIDI recording.Itexploressynthesisers,samplersanddrummachinesaswellas basicconceptsforelectronicperformance.Inconsideringtheroleofthe DJ,thebookaddressesremixingandproduction,drawinguponmany examplesfromthepopularmusicrepertoireaswellaslookingatthe studioasanexperimentallaboratory.Thecreativeworkflowinvolvedin musicformediaisdiscussed,aswellascontrollersforperformanceand thebasicsofhackingelectronicsformusic.TheIntroductionasawhole reflectsthemanyexcitingareasfoundtodayinmusictechnology,andaims tosetaspiringmusiciansoffonajourneyofdiscoveryinelectronicmusic. julio d’escriva´n isReaderinCreativeMusicTechnologyatAnglia RuskinUniversity,Cambridge. Cambridge Introductions to Music ‘CambridgeUniversityPressistobecongratulatedforformulatingtheideaof an“IntroductionstoMusic”series.’NicholasJones,TheMusicalTimes Eachbookinthisseriesfocusesonatopicfundamentaltothestudyofmusicat undergraduateandgraduatelevel.Theintroductionswillalsoappealtoreaders whowanttobroadentheirunderstandingofthemusictheyenjoy. (cid:2) Containtextboxeswhichhighlightandsummarisekeyinformation (cid:2) Providehelpfulguidanceonspecialisedmusicalterminology (cid:2) Thoroughguidestofurtherreadingassistthereaderininvestigatingthe topicinmoredepth Booksintheseries GregorianChant DavidHiley MusicTechnology Juliod’Escriva´n Serialism ArnoldWhittall TheSonata ThomasSchmidt-Beste TheSongCycle LauraTunbridge Cambridge Introductions to Music Music Technology ´ JULIO D’ESCRIVAN cambridgeuniversitypress Cambridge,NewYork,Melbourne,Madrid,CapeTown, Singapore,Sa˜oPaulo,Delhi,Tokyo,MexicoCity CambridgeUniversityPress TheEdinburghBuilding,CambridgeCB28RU,UK PublishedintheUnitedStatesofAmericabyCambridgeUniversityPress,NewYork www.cambridge.org Informationonthistitle:www.cambridge.org/9780521170420 (cid:2)c Juliod’Escriva´n2012 Thispublicationisincopyright.Subjecttostatutoryexception andtotheprovisionsofrelevantcollectivelicensingagreements, noreproductionofanypartmaytakeplacewithoutthewritten permissionofCambridgeUniversityPress. Firstpublished2012 PrintedintheUnitedKingdomattheUniversityPress,Cambridge AcataloguerecordforthispublicationisavailablefromtheBritishLibrary LibraryofCongressCataloguinginPublicationdata Escriva´nRinco´n,Juliod’,1957– Musictechnology/Juliod’Escriva´n. p. cm.–(Cambridgeintroductionstomusic) Includesbibliographicalreferencesandindex. ISBN978-1-107-00080-3(hardback)–ISBN978-0-521-17042-0(paperback) 1.Music–Dataprocessing. 2.Sound–Recordingandreproducing– Digitaltechniques. I.Title. II.Series. ML74.E83 2011 786.7–dc23 2011033056 ISBN978-1-107-00080-3Hardback ISBN978-0-521-17042-0Paperback CambridgeUniversityPresshasnoresponsibilityforthepersistenceor accuracyofURLsforexternalorthird-partyinternetwebsitesreferredto inthispublication,anddoesnotguaranteethatanycontentonsuch websitesis,orwillremain,accurateorappropriate. ‘Ireallyknowverylittleaboutthetechnologyoftheseinstruments...butIdo knowwhattheirbuttonsdo.Ihavealotofanaloginstrumentsinmysetupstill, and I know if I turn this little button it gives me a little more brightness, for instance. So, when I sit down to play – which I do almost every day – the first thingIdoisfindmeasound.ThemomentIhaveasound,Ihavesomemusic.’ JosefZawinul,keyboardistandbandleaderforWeatherReport. (Mandel,1996) Contents Preface pagexiii Acknowledgements xv Listoffigures xvi Chapter 1 Representing and storing sound 1 Physicsofsound:theaudiosignal 1 Whatissound? 1 Howdowemeasuresound? 3 Theaudiosignal 7 Digitalrecording 9 Soundrepresentedgraphically 11 Representingsoundamplitude 11 Representingsoundfrequency 13 Otherrepresentations 14 Actuallyperceivingsound 15 Soundascomputerdata 16 Formatsforstoringsoundfiles 16 Standardsforcarryingdigitalaudio 19 Chapter 2 A studio overview 21 Themixer 22 Sectionsofthemixingdesk 23 Themixerinputsection 26 Themixerchannelstrips 27 Themixercontrolsection 31 Themixeroutputsection 32 Audiosignalpaths 33 Tracking,mixingandmastering 34 Effects 34 Mixing 38 vii viii Contents Mastering 39 Listeningandeditingenvironments 40 Noise,absorptionanddiffusion 40 Speakerchoice,positionandseating 41 Headphoneeditingandmixing 42 Onchoosingtherightheadphones 43 Theheadphonestereoimage 44 Headphonefrequencyresponse 44 Soundrecording 45 Polardiagrams:representinghowamicrophone‘listens’ 48 Microphoneplacement 53 Envelopingthelistener 56 MIDIandrecording 61 WhyandhowdidMIDIcomeabout? 62 MIDIisnotsound 63 MIDIisindifferenttotimbre 64 and...MIDIhaslowresolution! 64 WhatdoestheMIDIprotocolactuallyspecify? 64 Channelvoicemessages 65 WorkingwithMIDIcontrolmessages 66 CombiningaudioandMIDI 69 Chapter 3 Synthesisers, samplers and drum machines 72 Soundsynthesis 72 Synthesismethods 72 Synthsignalflowandmodules 74 Soundgeneratormodules 75 Filtermodules 79 Controlmodules(envelopes) 80 Amplifiermodules 82 LowFrequencyOscillators(LFOs)module 82 Routingmodules(modulation) 83 Samplers 83 Originalpitchandrootkey 84 Start,loopandendpoints 85 Zonesorkey-groups 85 Groups 85 Filters,envelopes,amplifiersandmodulationmatrixes 86 Warpingandtemposyncing 86 Drummachines 86 Realisticornot? 88 Contents ix Chapter 4 Live music technology (the FAQs) 89 Whatissoundreinforcement? 89 WhatisaPA? 89 Whatissounddiffusionorsoundprojection? 89 IsthereastandardsetupforaPAorforsoundreinforcement? 91 HowmuchsoundreinforcementdoIneed? 91 WhereshouldIsetupmylaptoponstage? 92 WhichcablesshouldIuse? 92 Howwillmyinstrumentsbeconnectedtothevenue’sPA? 94 Howmanymixers/consolesdosoundsystemsuse? 94 HowmanymonitorswillIneedtobeabletohearmyselfon stage? 94 CanIconnectmyconsumersoundcardwithphonoconnectors (cid:3)(cid:3) (RCA)ora1/8 mini-jackfrommycomputertothemixer? 95 Whatistheidealwaytooutputaudiofrommylaptop? 95 WhataudioprocessingdevicescanIexpecttofindinaPA? 96 HowdoIsetupforlivemixing,captureandlooping? 96 Whatsortofmicrophoneisbestforliveperformance? 96 WhatdoIneedtoknowaboutimpedanceandnominallevelsand howdotheyaffectmysoundinliveperformance? 98 CanIconnectmyelectricguitarintoamicrophoneinputifit acceptsa1/(cid:3)(cid:3)plug? 100 4 WhatcanIdowhentherearehums,buzzes,hissorstaticcrackle soundsthatIdonotactuallyintendaspartofmymusic? 100 Chapter 5 Select, remix, mashup 103 ThequestionoftheDeejay 103 DigitalDJing 105 Vinylemulationsetups 107 Controllersetups 108 Sequencingenvironments 108 DJ-styleworkflow 111 Selectingmusic 111 Sampling 112 Developingagroove 113 Voiceandstructure 113 Performanceconsiderations 115 Remix,mashup... 116 ...intellectualproperty 117