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We propose a novel decision tree based framework to detect phonetic mispronunciations produced by L2 learners caused by using inaccurate speech attributes, such as manner and place of articulation. Compared with conventional score-based CAPT (computer assisted pronunciation training) systems, our proposed framework has three advantages: (1) each mispronunciation in a tree can be interpreted and communicated to the L2 learners by traversing the corresponding path from a leaf node to the rootdoi:10.21437/interspeech.2016-517 dblp:conf/interspeech/LiLSCL16 fatcat:feca2njtazcgdkyapusxfillqq