Should one timeDomainToFrequencyDomain() call are required after one addInput() call? Patrick Vlaskovits October 16, 2017 20:03 The timeDomainToFrequencyDomain should be called in an iteration until it returns false. Related articles I would like to build a simple but precise guitar tuner. Can this library be useful for creating simple and precise guitar tuner? Comments 0 comments Article is closed for comments.