REPORT Li_Idiap-RR-16-2012/IDIAP Sub-Band Based Log-Energy and its Dynamic Range Stretching for Robust In-Car Speech Recognition Li, Weifeng Bourlard, Hervé EXTERNAL https://publications.idiap.ch/attachments/reports/2012/Li_Idiap-RR-16-2012.pdf PUBLIC Idiap-RR-16-2012 2012 Idiap June 2012