Dengfeng Ke Bo Xu 0002 Chinese intonation assessment using SEV features. 4853-4856 2009 ICASSP https://doi.org/10.1109/ICASSP.2009.4960718 https://doi.ieeecomputersociety.org/10.1109/ICASSP.2009.4960718 conf/icassp/2009 db/conf/icassp/icassp2009.html#KeX09