Human voice modeling method is researched

using speaker recognition principles and digital signal processing technology

basic system of voice recognition based on GMM model in VDR is established.From the perspective analysis of affecting on voice recognition ratio

the lack of traditional algorithms is pointed out and an endpoint detection algorithm of speech based on approximate entropy is made.Theoretical analysis and experimental results confirmed that the new algorithm can effectively shield large dynamic impact noise

problem of voice virtual check is solved

and increased voice recognition rate of 66 % in low SNR 0 dB.