Efficient transform coding of two-channel audio signals by means of complex-valued stereo prediction. - Christian R. Helmrich; Pontus Carlsson; Sascha Disch; Bernd Edler; Johannes Hilpert; Matthias Neusinger; Heiko Purnhagen; Nikolaus Rettelbach; Julien Robilliard; Lars F. Villemoes (ICASSP, 2011)

Low delay LPC and MDCT-based audio coding in the EVS codec. - Guillaume Fuchs; Christian R. Helmrich; Goran Markovic; Matthias Neusinger; Emmanuel Ravelli; Takehiro Moriya (ICASSP, 2015)