Support for time&frequency-adaptive window-sizes/shapes

http://image.slidesharecdn.com/lca-opus1-120911231032-phpapp02/95/opus-codec-18-728.jpg https://gstreamer.freedesktop.org/data/events/gstreamer-conference/2012/opus.pdf https://github.com/xiph/opus

http://www.hackathon.io/extreme-time https://www.researchgate.net/publication/234063389_Automatic_Adaptation_of_the_Time-Frequency_Resolution_for_Sound_Analysis_and_Re-Synthesis

https://arxiv.org/pdf/1512.04811v2# 2016 Entropy-Based Time-Varying Window Width Selection For Nonlinear-Type Time-Frequency Analysis https://arxiv.org/abs/1109.6314 2011 An Entropy Based Method for Local Time-Adaptation of the Spectrogram

http://www.pnas.org/content/103/16/6094.full.pdf http://iie.fing.edu.uy/~pcancela/fcht/

https://arxiv.org/pdf/1507.05366v1.pdf ConceFT: concentration of frequency and time via a multitapered synchrosqueezed transform https://www.researchgate.net/publication/280323900_ConceFT_Matlab_Code#