Author of this paper participated in the development of several algorithms for wow and flutter characteristic determination. The algorithms were found useful in some real-life restoration procedures, however, there was no study of their capabilities in terms of the maximal determined modulation frequency. This paper presents such a study for three algorithms, i.e. the power-line hum tracker, high frequency bias tracker, and the centre of gravity tracker. In the paper a short description of the algorithms is followed by a theoretical study of the maximal modulation frequency determined by the algorithms. Next, the experimental part is given with simulations which confirm the findings from the theoretical part. The paper ends with conclusions.
