As they work the recognition by voice?
The sound, pattern and rite of the voice are moderate and a numerical score is assigned to them that later is verified with similar scores.
Where is used the scanner of voice recognition?
The voice can be used to allow to the employees the access to safe areas, but one more a more popular application is the remote authentication by telephone, specially for banks and other financial companies to avoid the identity robbery.
What level of security offers the recognition by voice?
It is improving, but still he is not as safe as other biométricos systems.
The voice verification is very sensible to the atmospheric noise and can vary by the physical training conditionses of the user (for example, if it is constipated), as well as by the used equipment (in the telephone identification, it depends on the terminal).
For that reason the voice is used other systems along with, like the rainbow or face scanner.