function freqIdcs = partialIdx2FreqIdx(partialIdcs, numBinsPerSemitone)
% freqIdcs = partialIdx2FreqIdx(partialIdcs, numBinsPerSemitone)
% 
% converts indices of harmonic partials into frequency indices of the
% basis functions of the svNMD framework

freqIdcs = 12 * numBinsPerSemitone * log2(partialIdcs) + 1;