Document OmniVoice cloning gate

experiments/omnivoice-cloning/README.md

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+# OmniVoice cloning gate on Athena
+
+This is the isolated quality gate for `k2-fsa/OmniVoice` 0.2.1. It exposes
+the upstream Gradio demo through Athena's existing private Voice Studio route.
+The image also contains `omnivoice-triton` 0.1.0 for a later measured
+base-versus-optimized benchmark; the upstream UI deliberately starts in the
+unmodified reference mode so kernel changes cannot contaminate the first
+listening test.
+
+- Model weights: CC-BY-NC
+- Code: Apache-2.0
+- Private URL: `http://192.168.1.212:8008`
+- Persistent cache: `/data/voice/omnivoice/huggingface`
+- GPU allocator workaround: `expandable_segments:True`
+
+Use a clean 3–10 second reference and provide its exact transcript. German
+target text should be written out normally; avoid raw abbreviations and digits
+in the first quality test.