Definition

Noun: 1. The process or technology of identifying a specific individual based on the unique characteristics of their voice. This involves analyzing vocal patterns, such as pitch, tone, cadence, and formant frequencies, to verify or determine a person's identity.

Usage

• Speaker identification is a key component of biometric security systems.
• The forensic team used speaker identification to analyze the recorded threat.
• Speaker identification differs from speech recognition; the former identifies is speaking, while the latter identifies is being said.

Advanced Usage

• Forensic Speaker Identification: The application of speaker identification techniques in legal contexts to provide evidence, such as identifying a suspect from a recorded phone call or ransom demand.
• Text-Dependent vs. Text-Independent Identification:
  • Text-dependent systems require the speaker to say a specific phrase.
  • Text-independent systems can identify a speaker from any sample of speech.

Variants and Related Words

• Speaker Recognition (n): Often used synonymously with speaker identification, though it can be a broader term encompassing both (finding an identity from a set) and (confirming a claimed identity).
• Voiceprint (n): A graphical representation or a set of measurable characteristics of a human voice that is purportedly unique to an individual, analogous to a fingerprint.
• Biometric Identification (n): The general category of identification using unique physical or behavioral traits, which includes speaker identification.

Synonyms

• Voice identification
• Voice biometrics

Related Phrases

• Speaker verification: A related but distinct process that confirms whether a given voice sample matches a specific claimed identity (a one-to-one match), whereas speaker identification finds a match from a database of many voices (a one-to-many match).

Noun

1. identification of a person from the sound of their voice