<p>The automatic speaker verification spoofing and countermeasures (ASVspoof) challenge series is a community-led initiative which aims to promote the consideration of spoofing and the development of countermeasures. ASVspoof 2021 is the 4th in a series of bi-annual, competitive challenges where the goal is to develop countermeasures capable of discriminating between bona fide and spoofed or deepfake speech. <br>
ASVspoof 2021 comprises three different tasks: <br>
<em> Logical access (LA)</em>: bona fide and spoofed utterances generated using text-to-speech (TTS) and voice conversion (VC) algorithms are ...