CARA V2.2 Plus 英文光碟正式版(電腦輔助室內聲學)





軟體簡介:

相關網址:
http://www.cara.de

內容說明:
CARA(ComputerAidedRoomAcoustics)電腦輔助室內聲學軟體
CARA可分析和提高影響室內聲音

-決定室內聲音的基本性質，結合考慮室內裝飾以便線性化混響時間
-揚聲器和聽眾的聲音位置最佳化


CARA(ComputerAidedRoomAcoustics)isaveryadvancedcomputerprogramforcomputingand
optimizingRoomAcousticsofarbitraryrooms.CARAisbasedonthesoundsourceimaging
methodincombinationwithabacktracingprocedure.

CARAanalyzesandimprovesroomacousticinfluencedsoundcolorationinatwostepprocedure:

*determinationofthebasicacousticpropertiesoftheroom(AcousticAmbiance)incombination
withsuggestionsregardingthefurnishings(wallmaterials,furniture)inordertolinearizethe
reverberationtimespectrum,
*automaticPositionalOptimizationfortheloudspeakersandthelistenertominimizesoundwave
interferences(standingwaves)inthelisteningarea.

ForadetailedanalysisCARAcalculatesthetotalsoundfielddataat1,000-3,000equally
distributedgridpointsintheroom.Theevaluationofthesoundfielddataconcernsthe
modalstructure(steadystatesoundpressuredistribution),theroomresponseofaDirac-Pulse
excitationinthetimedomain,thedistributionofsoundcoloration,thesoundimaging
(stereophonicsoundlocalization),andthespeechintelligibility.

CARAprovidestheexpertwithagreatnumberofroomacousticreferencenumbers(frequency
dependentreverberationtimes,soundcoloration,speechintelligibility,lateralsoundlevel,
orstereophonicsoundlocalization)derivedfromsoundpressurefrequencyresponsesortransient
roomresponses/reverberationdiagrams.

ThespecialfunctionAuralizationrendersalisteningtestinthe(virtual)roomtoevaluate
forexamplesounddifferencesduetodifferentloudspeakerpositionings.Anypieceofmusic
(twochannelsStereo)maybeusedforthis.