Biometrics + Identity

Voice Biometrics

Voice is one of the most commonly encountered biometrics in use today. Voice technologies measure a person’s vocal tract and/or speech patterns to create a digital signature which is matched against known records. Voice biometrics are different from voice recognition, which is used to determine what words are spoken and is not a biometric modality. Common variants of voice biometric technologies include text dependent technologies – where users use common words or a phrase to enroll and verify, and text independent technologies – where users enroll with free natural speech and then can verify with random words. 

Advantages of voice as a biometric: 
  • Easy to use
  • Users are already comfortable using their voice for speech recognition
  • Can be employed without the need for physical presence
  • Technology now corrects for ambient or background noise, increasing accuracy
  • Anti-spoofing technologies protect against presentation and spoof attacks
Common applications of voice as a biometric modality: 

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