AccordingtotheintroductionofToshihikoArai,Harmonize-JustintonationisaMusicgameontheAndroidplatform.Thereiscurrentlya1.2versionreleasedonJun11,2017,youcanseethedetailsbelow.
Anappanyonecanenjoywithwhichyoulearntohaveperfectandrelativepitch.Especiallysuitedtothoselearningthechordsofjustintonation.Thisappisbelovedbymany,fromthosewhowanttobegoodatkaraoketobrassbandandorchestramembers.
Helloeveryone.
This"MusicGame"appisthesequelofmypreviouswork.
Thistime,thefocusliesonlearningdouble-stopnotes(justintonation).
Inthisapp,twosoundsareplayedatthesametime,butthedecisioniscalculatedonthebasisofjustintonation.
Forexample,whenmatchingmajorthird"do"and"mi",thereisagapof4semi-tones,soinequaltemperamentthereisanintervalof400cents.
However,injustintonation,"mi"hasa5/4frequencyratioto"do",sowhencalculated,theintervalbecomes(1200xlog2(fE/fC)=)386.3...cents.
Thismeansthatforthepiano(equaltemperament)intervalyouhavetotakeaminorintervalofapproximately-14cents.
Therefore,usethepianosoundonlyasaguide,andmatchthetoneofthesoundbyfeel.
Thetrickistooperateitsoyoulosethebeat.Itwillsuddenlybecomeaclearsoundatacertainposition.Thatwillbethejustintervaltone.
※ChordsreferencetoneisA=442Hz.
