A 16, 24, 32 kbit/s wideband speech codec based on ATCELP. - Pierre Combescure; Jürgen Schnitzler; Kyrill A. Fischer; Ralf Kirchherr; Claude Lamblin; Alain Le Guyader; Dominique Massaloux; Catherine Quinquis; Joachim Stegmann; Peter Vary (ICASSP, 1999)