export: rvc base models (ContentVec-768 + RMVPE, fp32+int8)

PROVENANCE.md

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+# PROVENANCE
+
+| Field | Value |
+|-------|-------|
+| upstream_repo | https://github.com/RVC-Project/Retrieval-based-Voice-Conversion-WebUI |
+| upstream_ref | main |
+| export_script_sha | 77f182db9f8c2c1904b059c8fd23163a1170f74d |
+| export_date | 2026-06-11T14:43:44Z |
+| torch_version | 2.10.0+cu128 |
+| onnx_version | 1.20.1 |
+| platform | Linux-6.18.20-1-lts-x86_64-with-glibc2.43 |
+| contentvec_checkpoint | hf:Politrees/RVC_resources/embedders/transformers/contentvec/pytorch_model.bin |
+| rmvpe_checkpoint | hf:Politrees/RVC_resources/predictors/rmvpe.onnx (community ONNX) |
+| contentvec_size_mb | 360.3 |
+| rmvpe_size_mb | 344.9 |
+
+## Upstream licence
+
+```
+MIT License
+
+Copyright (c) 2023 RVC-Project
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+```

README.md

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+---
+license: mit
+library_name: onnxruntime
+tags:
+- voice-conversion
+- onnx
+- vconnx
+- rvc
+pipeline_tag: audio-to-audio
+---
+
+# vconnx · RVC base models (pure ONNX)
+
+Shared base components for [RVC](https://github.com/RVC-Project/Retrieval-based-Voice-Conversion-WebUI)
+(MIT) inference in the **vconnx** voice-conversion library: ContentVec-768
+content encoder + RMVPE pitch estimator. RVC is **any-to-one** — the target
+speaker lives in a separate per-voice `net_g` model (thousands of
+community-trained voices exist on HF); these two base models are voice-independent.
+
+| file | role | size |
+|---|---|---|
+| `contentvec_768l12.onnx` | content encoder (fp32) | 360 MB |
+| `contentvec_768l12_q8.onnx` | content encoder (int8) | 91 MB |
+| `rmvpe.onnx` | pitch estimator (fp32) | 345 MB |
+| `rmvpe_q8.onnx` | pitch estimator (int8) | 94 MB |
+
+ContentVec export parity vs torch: max_abs 8.5e-06. Provenance in `PROVENANCE.md`.
+
+## Usage
+
+```python
+from vconnx import VoiceCloner
+# reference_voice = an RVC voice MODEL (.onnx path or HF id), not audio
+out = VoiceCloner(engine="rvc").clone_voice("source.wav", "owner/repo::voice.onnx")
+```

config.json

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+{
+  "engine": "rvc",
+  "components": {
+    "contentvec_encoder": "contentvec_768l12.onnx",
+    "contentvec_encoder_q8": "contentvec_768l12_q8.onnx",
+    "rmvpe_f0": "rmvpe.onnx",
+    "rmvpe_f0_q8": "rmvpe_q8.onnx"
+  },
+  "sample_rates": {
+    "input": 16000
+  },
+  "distributable": true,
+  "metadata": {
+    "opset": 14,
+    "contentvec_source": "hf:Politrees/RVC_resources/embedders/transformers/contentvec/pytorch_model.bin",
+    "rmvpe_source": "hf:Politrees/RVC_resources/predictors/rmvpe.onnx",
+    "contentvec_dim": 768,
+    "rmvpe_pitch_classes": 360
+  }
+}

contentvec_768l12.onnx

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+oid sha256:cbddd8fa9352b3128df6359e2e3da6be0f9072e768e51e3efc3004e5030ea97f
+size 377755911

contentvec_768l12_q8.onnx

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+oid sha256:23d4914b29779cd68af19191405423e82ec978fafe9c12227df23d3ebe04d421
+size 95224416

contentvec_parity_report.json

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+{
+  "overall_passed": true,
+  "tolerances": {
+    "max_abs": 0.001,
+    "mean_abs": 0.0001
+  },
+  "components": [
+    {
+      "name": "hidden_states",
+      "max_abs_delta": 8.463859558105469e-06,
+      "mean_abs_delta": 1.0680463446988142e-06,
+      "shape": [
+        1,
+        49,
+        768
+      ],
+      "passed": true
+    }
+  ]
+}

rmvpe.onnx

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+oid sha256:5370e71ac80af8b4b7c793d27efd51fd8bf962de3a7ede0766dac0befa3660fd
+size 361688443

rmvpe_q8.onnx

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+oid sha256:9151c489d8c09a2c31c035e5eb24651c18e9f05cc04c4cc1afc5086c9bce7d1e
+size 98719204