Felix Burkhardt Tim Polzehl Joachim Stegmann Florian Metze Richard Huber 4761-4764 2009 ICASSP https://doi.org/10.1109/ICASSP.2009.4960695 https://doi.ieeecomputersociety.org/10.1109/ICASSP.2009.4960695 conf/icassp/2009 db/conf/icassp/icassp2009.html#BurkhardtPSMH09