Add Wav2Vec2-Large-AntiDeepfake submission for PyAra

submissions/wav2vec2-large-antideepfake.yaml

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+schema_version: 4
+system:
+  name: Wav2Vec2-Large-AntiDeepfake
+  slug: wav2vec2-large-antideepfake
+  description: AntiDeepfake detector (wav2vec 2.0 Large self-supervised backbone)
+    post-trained for deepfake speech detection with RawBoost data augmentation (default
+    variant); head = AdaptiveAvgPool1d + Linear(D,2), score = real logit. Released
+    by nii-yamagishilab (arXiv:2506.21090). Evaluated with a deterministic first-4
+    s window + batching (NOT the paper's whole-utterance protocol).
+  code: https://github.com/nii-yamagishilab/AntiDeepfake
+  checkpoint: https://huggingface.co/SpeechAntiSpoofingBenchmarks/Wav2Vec2-Large-AntiDeepfake/blob/92fe6f169dd4476838f98e576422f57c7119d5f2/model.safetensors
+  params_millions: 317.3926
+  paper:
+    arxiv_id: '2506.21090'
+    url: https://arxiv.org/abs/2506.21090
+    bibtex: "@article{ge2025posttraining,\n  title={Post-training for Deepfake Speech\
+      \ Detection},\n  author={Ge, Wanying and Wang, Xin and Yamagishi, Junichi and\
+      \ others},\n  journal={arXiv preprint arXiv:2506.21090},\n  year={2025}\n}\n"
+dataset:
+  id: SpeechAntiSpoofingBenchmarks/PyAra
+  revision: 40167badd6d8a289f02054761ee5411f49227b87
+  split: test
+scores:
+  eer_percent: 0.6006822227960262
+  n_trials: 201778
+  n_skipped: 0
+artifact:
+  scores_url: https://huggingface.co/SpeechAntiSpoofingBenchmarks/Wav2Vec2-Large-AntiDeepfake/resolve/7e474cc8b493e5259dc0addac110ed0c7722e739/.eval_results/SpeechAntiSpoofingBenchmarks/PyAra/scores.txt
+  scores_sha256: 7e9e9da0fc5719a54bf2f4f3ca9fd5477616007989590f54bd1455269138fd6f
+  bench_version: speech-spoof-bench==0.3.4
+submitter:
+  hf_username: korallll
+  contact: k.n.borodin@mtuci.ru
+submitted_at: '2026-06-11'
+notes: Fixed first-4 s (64000-sample) window + batching; NOT the paper's whole-utterance
+  protocol. Score = real logit. CC BY-NC-SA 4.0.
+reproduction:
+  reproduced_by: SpeechAntiSpoofingBenchmarks
+  reproduced_at: '2026-06-11'
+  reproduced_bench_version: speech-spoof-bench==0.3.4
+  match: scoring