ITU-T G.729.1: AN 8-32 Kbit/S Scalable Coder Interoperable with G.729 for Wideband Telephony and Voice Over IP. - Stéphane Ragot; Balázs Kövesi; Romain Trilling; David Virette; Nicolas Duc; Dominique Massaloux; Stéphane Proust; Bernd Geiser; Martin Gartner; Stefan Schandl; Hervé Taddei; Yang Gao; et al. (ICASSP (4), 2007)