view CITATION @ 45:e6a43500629b

I think that the tempogram max lag can't exceed the window length - 1, rather than the window length, because it is used as an index into a vector of the window length

 @inproceedings{peter2010a,
  author = {Peter Grosche and Meinard Müller and Frank Kurth},
  title = {Cyclic tempogram - a mid-level tempo representation for music signals},
  booktitle = {Proceedings of the 2010 IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP 2010)},
  year = {2010}
}