GARCIA AUTOMATIC GENERATION OF SOUND SYNTHESIS TECHNIQUES TOWARDS THE AUTOMATIC GENERATION

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1、GARCIAAUTOMATICGENERATIONOFSOUNDSYNTHESISTECHNIQUESTOWARDSTHEAUTOMATICGENERATIONOFSOUNDSYNTHESISTECHNIQUES:PREPARATORYSTEPSRicardoA.GarciaMediaLab,MassachusettsInstituteofTechnology20AmesStreetRoomE15-401,Cambridge,MA02139USAPH:617-253-0112FAX:617-258-6264e-mail

2、:rago@media.mit.eduAbstract-Anoverviewofanalgorithmthatsearchesthroughthespaceofthesoundsynthesistechniquesispresented.Amodularapproachtoconstructsoundsynthesistechniquesisintroduced.Thepreparatorystepsneededtousegeneticprogrammingasasearchtoolforthisspaceareexp

3、lained,focusinginthemanipulationandevaluationofthemodulardescriptionsofthetopologies.I.INTRODUCTIONThefieldofautomaticgenerationofsynthesizedsoundhasbeenfocusedusuallyintheestimationofparametersforapredeterminedsynthesistechnique(ortopology)totrytoreproduceapart

4、iculartargetsound(1),(2).Whilethisisveryplausible,itisknownthatdifferentsoundsynthesistechniquesperformbetterwithdifferenttypesofsounds.Therefore,someparametermatchingtechniquescangivepoorresultswhenusingafixedtopology.Asearchalgorithmthatincludesthe“soundsynthe

5、sistechniquesspace”aspartofthesearchcanbeusedtoselectfromalimitedsetofsynthesistechniques(i.e.the“classic”synthesistechniques)beforeapplyingtheparameter-matchingalgorithm.Anevenmoreadventurousgoalwouldbetodevelopanalgorithmcapableofsearchthroughabroadersetofsynt

6、hesistechniques(i.e.classicandmore).Thiskindofalgorithmwouldbeevenableofsuggesting“new”(i.e.notclassic)synthesistechniques(topologies).Thispaperdescribestheoverallideaofanalgorithmcapableoffindingsoundsynthesistechniques,andfocusesinthepreparatorystepsnecessaryt

7、oaccomplishthisgoal.Specifically,itdescribestheelementsusedasconstructionblockstoformthesynthesistechniques,theirdescriptions,andtheuseofageneticprogramthatsearchesthesoundsynthesistechniquesspace.II.ABOUTSOUNDSYNTHESISTECHNIQUESAsoundsynthesizerisadevice(ormeth

8、od)usedtoproducesoundartificially(thatis,withouttheuseofacousticinstruments).Thispaperwilldiscussaboutthedigitalsoundsynthesizers(astheonesimplementedinadigitalcomput