A comparative study of RPCL and MCE based discriminative training methods for LVCSR
Provide a comparison of MCE and RPCL in discriminative training for LVCSR. Both the methods are implemented at phone and state levels. Both the methods are tested on matched and unmatched test sets. Both the MCE and RPCL based methods perform better than MLE based method. The RPCL has better discriminative and generalizing abilities than MCE.
discriminative training rival penalized competitive learning minimum classification error large vocabulary continuous speech recognition