Speaker Recognition Using Wavelet Cepstral Coefficient, I-Vector, and Cosine Distance Scoring and Its Application for Forensics

Table 1

The verbal scales used in aural speaker recognition.

Level	Verbal equivalent
1	I am certain that the two speakers are not the same
2	I am almost certain that the two speaker are not the same
3	It is possible that the two speakers are not the same
4	I am unable to decide
5	It is possible that the two speakers are the same
6	I am almost certain that the two speakers are the same
7	I am certain that the two speakers are the same