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Understanding Utterance and Speaker Verification in Voice Biometrics

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When using active Voice Biometrics, you are required to say a passphrase to enable the system first to establish, and then to check against your unique voiceprint.

Talkdesk Identity™ includes a series of pre-configured pass-phrases.

With some of these passphrases, Identity performs:

1. Utterance checks, i.e., detects if you are saying the right phrase.

  • Used to guarantee that the passphrase spoken matches what is being requested of you to say.

2. Second speaker checks, i.e., detects if two users are creating a voiceprint (aka enrolling) as if they were one user only.

  • Used to ensure if there is a 1:1 ratio between a voiceprint and a single user.

 

Passphrases supporting Utterance and Second Speaker Verification

Language

Passphrase

Utterance Verification

Second Speaker Verification

English

Please authenticate me with my voice.

Yes

Yes

Spanish

Por favor verifícame con mi voz.

Yes

Yes

Spanish

Por favor autentícame con mi voz

Yes

Yes

German

Bitte verifiziere mich mit meiner Stimme.

Yes

Yes

German

Bitte authentifiziere mich mit meiner Stimme.

Yes

Yes

French

Vérifiez mon identité grâce à ma voix.

Yes

Yes

French

Authentifiez moi grâce à ma voix.

Yes

Yes

 

Passphrases not supporting Utterance and Second Speaker Verification

Language

Passphrase

Utterance Verification

Second Speaker Verification

English

My password is my voice.

No

No

Spanish

Mi contraseña es mi voz.

No

No

 

An admin can also configure a specific custom passphrase, more suitable for their relationship with the customers. In this case, neither utterance or second speaker verification are supported.

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