EURASIP Journal on Audio, Speech, and Music Processing

Table 4 Perplexity of Hub5’00-SWB and RT03S-FSH set for different LMs

From: Empirically combining unnormalized NNLM and back-off N-gram for fast N-best rescoring in speech recognition

Model	Perplexity
	Hub5’00-SWB	RT03S-FSH
KN3	89.40	66.76
KN5	86.78	63.80
+FNNLM	71.84	53.98
+RNNLM-C400	66.67	51.34
FNNLM	76.17	56.99
RNNLM-C400	70.83	54.39

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