Tandem detection cost function (t-DCF)
Definition
The primary evaluation metric in ASVspoof from 2019 onward. It measures the cost of errors when a countermeasure is integrated with an automatic speaker verification system, weighting false accepts and false rejects by their operational costs.
Related terms
- Anti-spoofing countermeasure (CM)
- A classifier, also called a CM system, trained to output a score indicating the probability that a given audio segment is genuine...
- ASVspoof
- A recurring evaluation campaign and dataset series that benchmarks anti-spoofing countermeasures against corpora of genuine and spoofed utterances. Editions in 2015, 2017,...
- Equal error rate (EER)
- The point on a classifier's detection error tradeoff curve where the false accept rate equals the false reject rate. Lower EER indicates...
- Neural TTS cloning
- A text-to-speech system that adapts to a target speaker using a short enrollment recording, generating new utterances in that speaker's voice from...
- Voice conversion
- A signal-processing or deep-learning technique that transforms the vocal characteristics of a source speaker's utterance to match a target speaker, while preserving...
Explained in
- Voice Conversion and Cloning DetectionThe primary evaluation metric in ASVspoof from 2019 onward. It measures the cost of errors when a countermeasure is integrated with an automatic speaker verifi...