ARTICLE Saheer_JSTS_2013/IDIAP Combining Vocal Tract Length Normalization with Hierarchical Linear Transformations Saheer, Lakshmi Yamagishi, Junichi Garner, Philip N. Dines, John EXTERNAL http://publications.idiap.ch/attachments/papers/2014/Saheer_JSTS_2013.pdf PUBLIC IEEE Journal of Selected Topics in Signal Processing - Special Issue on Statistical Parametric Speech Synthesis 8 2 262 - 272 1932-4553 2014 10.1109/JSTSP.2013.2295554 doi