List Ibero-Speech Recognition Threshold LI-SRT was created in response to the need to find the level of speech recognition at the performance of the Colombian population audiometric speech in 3 to 5 years old. The overall objective of this study was to find evidence of validity and reliability of the LI SRTColombian population in 3 to 5 years. During the study showed the need for adjustments to the visual and auditory stimuli according to the basic parameters for making a list audiometric speech (phonetic balance, familiarity and phonetic dissimilarity), thus redefining the 116 disyllabic y trisyllabic words, with severe and acute accentuation comprising this list and saw the construction and validation of visual support that includes these words with the participation of 39 judges: 10 experts and 29 children aged 3 to 5 layers of 1-6. The result was an agreement rate greater than 0.7 in children as well as judges audiologists on the stimuli presented. This study constitutes the first phase of validating the list of words that continues with the discovery of internal consistency to be applied to a group of children Bogota.