%% freq

{MUtils.keynumToFreq 69.0 12.0} == 440.0

{MUtils.keynumToFreq 6900.0 1200.0} == 440.0

{MUtils.freqToKeynum 440.0 12.0} == 69.0

{MUtils.freqToKeynum 440.0 72.0}


{MUtils.ratioToKeynumInterval 1#1 12.0} % 0.0

{MUtils.ratioToKeynumInterval 3#2 1200.0} % 701.955

{MUtils.keynumToPC 62.0 12.0} % 2.0

{MUtils.keynumToPC 62.5 12.0} % 2.5

{MUtils.keynumToPC 62.0*6.0 72.0} % 12.0

%% level

{MUtils.levelToDB 0.0 1.0} % ~inf

{MUtils.levelToDB 1.0 1.0} == 0.0

{MUtils.levelToDB 2.0 1.0} % 6.0206

{MUtils.levelToDB 0.5 1.0} % ~6.0206

{MUtils.dBToLevel ~6.0206 1.0} % 0.5

{MUtils.dBToLevel ~40.0 1.0}

{MUtils.dBToLevel ~60.0 1.0}


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%


{Browse {MUtils.makeNoteLengthsTable 3 [3 5 7 11 13]}}

declare
R = {MUtils.makeNoteLengthsRecord 3*5 [3 5 7 11 13]}
{Browse R}

%% .. same durations..
{Browse R.d2}
{Browse R.t3d2_}

%% Note that there are doublications. E.g., d4 and d4t3_ have same dur (namely 3) 
{Browse {MUtils.makeDurationsRecord 3 [3 5 7 11 13]}}

%%%

{Browse {MUtils.setNoteLengthsRecord 3 [3 5 7 11 13]}}

{Browse {MUtils.toDur d2}}