Speaker recognition and speaker verification

Problem:

Speaker recognition: is the process of automatically recognizing who is speaking by using the speaker-specific information included in speech waves to verify identities being claimed by people accessing systems; that is, it enables access control of various services by voice.

Speaker verification (also called speaker authentication) contrasts with identification.

Speaker recognition:

Speaker recognition

2-stage speaker recognition: Enroll and verify

Before we can verify a speaker, we need the user to enroll his voice:

Speak:

“Hello” 3 times

and random strings 2 times

Store the averaged embedding vector on database use for speaker recognition.

Solution:

Generalized End-to-End Loss for create embedding vector:

Case 5 - Solution

Verification decision Thresholding cosine similarity:

Case 5

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