To solve the effect of channel changes on the performance of speaker identification system

apply the method of maximum a posteriori to specific channel compensation.First

setup a standard channel

then

use the distribution of deviation of other channel and standard channel as experience knowledge

and obtain the deviation of current channel by a few adaptive data

use these deviations to adjust the characteristic to gain the goal of compensation.The results show that adaptive data in 1s

it has a discrimination of 89.1%

above the method of cepstrum average reduction by 4.2%

with the increasing of self-adaptive

the performance of this system can be improved.