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This way
user position
him/herself
near the acquisition device such as microphone. At
the exact time, either user replays the set of words when he/she enrolled or repeats the
words given by the system [11].
The user voice quality and the environment that affected the voice when being submitted
are the major concern in this voice recognition technology. These possible factors could
reduce the system performance: flu or illness that affects voice, different enrollment and
verification environment (inside or outside building), speaking softly, variation in
background noise, and quality of capture device [10].
Vendors
who produces speaker recognition systems
for authentication:
Apple Computer,
Keyware
Technologies, T-NETIX, and Veritel [2].
Signature
Verification
Signature
verification technology
uses special readers to collect a written signature from
the user. The systems rarely rely on the signature’s image alone, instead it measure the
dynamics of pen motion as well [2].
In the process, user positions him or her self to sign on surface provided like tablet. Then
the user signs name in tablet’s capture area [11].
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