{
  "model_family": "index_tts",
  "adapter": "index_tts",
  "split_contract_version": 2,
  "graph_contract": {
    "cache_mode": "prefill_decode",
    "cache_layout": "hf_bhsd",
    "layers": 24,
    "dtype": "float32",
    "batch": 1,
    "heads": 20,
    "cache_sequence_axis": 2,
    "head_dim": 64,
    "initial_cache_length": 0,
    "attention_mask": {
      "rank": 2,
      "dtype": "int64"
    },
    "logits": {
      "name": "raw_logits",
      "rank": 3,
      "shape": [
        1,
        1,
        8194
      ],
      "selection": "runtime"
    }
  },
  "generation_policy": {
    "version": 1,
    "algorithm": "seeded_top_k_top_p",
    "num_beams": 1,
    "source_num_beams": 3,
    "top_k": 30,
    "top_p": 0.8,
    "temperature": 1.0,
    "repetition_penalty": 10.0,
    "repetition_scope": "mel_bos_and_full_generated_history",
    "default_seed": 0,
    "max_new_mel_tokens": 600,
    "start_token": 8192,
    "stop_token": 8193,
    "silence_token": 52
  },
  "sample_rate": 24000,
  "start_token": 8192,
  "stop_token": 8193,
  "max_generate_length": 600,
  "mel_code_size": 8194,
  "vocab_size": 8194,
  "text_vocab_size": 12000,
  "precision": "cpu-fp32",
  "precision_policy": "fp32-only; cpu-q4 and gpu-fp16 paths are deprecated and ignored",
  "device": "cpu",
  "source_model_dir": "D:\\AI_WorkSpace\\lcoal-multimodal-infra\\workdir\\data\\indextts-1.5-source-25851a6\\model",
  "index_tts_project": "D:\\AI_WorkSpace\\lcoal-multimodal-infra\\workdir\\data\\indextts-1.5-source-25851a6\\code",
  "source_config": "D:\\AI_WorkSpace\\lcoal-multimodal-infra\\workdir\\data\\indextts-1.5-source-25851a6\\model\\config.yaml",
  "files": [
    "IndexTTS_A.onnx",
    "IndexTTS_B.onnx",
    "IndexTTS_C.onnx",
    "IndexTTS_D.onnx",
    "IndexTTS_E.onnx",
    "IndexTTS_F.onnx",
    "IndexTTS_E_Prefill.onnx",
    "bpe.model",
    "manifest.yaml",
    "manifest.json"
  ],
  "optional_files": [],
  "artifacts": [
    {
      "path": "IndexTTS_A.onnx",
      "size_bytes": 279165593,
      "sha256": "4a3e2a1019d5045e46c953875bffd5fc88dcc6e0158b149b13aee69f451d1cb3"
    },
    {
      "path": "IndexTTS_B.onnx",
      "size_bytes": 64531987,
      "sha256": "220b941f138d67af1aff81e48ed17ab1aef36396b03a8cb49c08d0c560cdcff1"
    },
    {
      "path": "IndexTTS_C.onnx",
      "size_bytes": 46065900,
      "sha256": "8b16cfb617c223f87db333b1f487ccabb0ca0a739219eba101f91ea35bb42b20"
    },
    {
      "path": "IndexTTS_D.onnx",
      "size_bytes": 1158,
      "sha256": "ed3f221cc853905cc54b85de0383e156ae5faf023fc56fd45fd29303f700b164"
    },
    {
      "path": "IndexTTS_E.onnx",
      "size_bytes": 1933775727,
      "sha256": "cacf4e04403105fc2203e3945ad271f4eeb706b83aa649d29e6134fae351806c"
    },
    {
      "path": "IndexTTS_F.onnx",
      "size_bytes": 501631823,
      "sha256": "40d0426764c272f4a870585fc0e4fa0f59548a494825f6a7aceb9b340d327aa4"
    },
    {
      "path": "IndexTTS_E_Prefill.onnx",
      "size_bytes": 1933767798,
      "sha256": "b048f3b9ad7219e474c72abf741f65515b2276553f26fda8b5f55f68c848d191"
    },
    {
      "path": "bpe.model",
      "size_bytes": 475997,
      "sha256": "b2a5ce8090d32da3642cc4f81fdc996376bc6dd3f4cd5e3d165f71120d9f2bc8"
    }
  ],
  "export_provenance": {
    "script": "scripts/local/indextts_export.py",
    "entrypoint": "scripts/indextts_export.py",
    "mode": "raw-export",
    "opset": 17,
    "audio_length": 24000,
    "max_seq_len": 16,
    "created_unix": 1783867654,
    "python": "3.11.15",
    "platform": "Windows-10-10.0.26200-SP0",
    "source": {
      "path": "D:\\AI_WorkSpace\\lcoal-multimodal-infra\\workdir\\data\\indextts-1.5-source-25851a6\\provenance.json",
      "sha256": "3bfb39cc326d834be4fda72000e4cc53ebbb6c52e154150f1fdbe7323d1e909c",
      "model_repository": "IndexTeam/IndexTTS-1.5",
      "model_revision": "25851a6036dfd3095bb70fb3c8f49217104672c3",
      "code_repository": "https://github.com/index-tts/index-tts.git",
      "code_tag": "v1.5.0",
      "code_commit": "9098497272d5803bae46cbaf5154cf2ba48f6866",
      "code_tree": "aa0335ccaba54ac42d6d209dac56bb9a8b2e80a7",
      "model_license": {
        "hugging_face_metadata": "apache-2.0",
        "license_file_in_model_snapshot": null,
        "note": "The model snapshot contains no standalone license file. The pinned official code tree contains INDEX_MODEL_LICENSE, a custom bilibili Index-TTS model license with non-commercial and other restrictions; preserve and review it rather than relying only on Hub metadata.",
        "companion_license_path": "code/INDEX_MODEL_LICENSE",
        "companion_license_sha256": "550cf1882b0186cffe689ee6ca22de7ee16a8ce064fae9dce9fbd92be74e7ca9"
      }
    }
  },
  "status": "ready",
  "notes": [
    "A-F graph contract: A(reference audio conds), B(text ids), C(GPT token embedding), D(concat embeddings), E autoregressive KV loop, F BigVGAN vocoder.",
    "loaded official IndexTTS from D:\\AI_WorkSpace\\lcoal-multimodal-infra\\workdir\\data\\indextts-1.5-source-25851a6\\code with cfg_path=D:\\AI_WorkSpace\\lcoal-multimodal-infra\\workdir\\data\\indextts-1.5-source-25851a6\\model\\config.yaml, device=cpu, fp16=False, use_cuda_kernel=False where supported",
    "patched 109 BigVGAN alias-free Activation1d resampler pairs in memory for ONNX export: pre-expanded grouped convolution filters with static channel count and replicate padding; official source files were not modified",
    "IndexTTS_A uses a project-local ONNX-safe conv1d mel frontend mirroring official MelSpectrogramFeatures(sample_rate=24000,n_fft=1024,hop=256,win=1024,n_mels=100,power=1,center=True).",
    "exporting IndexTTS_A.onnx with opset=17, external_data_threshold_mb=512 (PyTorch handles threshold support by version)",
    "exporting IndexTTS_B.onnx with opset=17, external_data_threshold_mb=512 (PyTorch handles threshold support by version)",
    "exporting IndexTTS_C.onnx with opset=17, external_data_threshold_mb=512 (PyTorch handles threshold support by version)",
    "exporting IndexTTS_D.onnx with opset=17, external_data_threshold_mb=512 (PyTorch handles threshold support by version)",
    "exporting IndexTTS_E_Prefill.onnx with opset=17, external_data_threshold_mb=512 (PyTorch handles threshold support by version)",
    "exporting IndexTTS_E.onnx with opset=17, external_data_threshold_mb=512 (PyTorch handles threshold support by version)",
    "exporting IndexTTS_F.onnx with opset=17, external_data_threshold_mb=512 (PyTorch handles threshold support by version)",
    "raw PyTorch export produced IndexTTS_A.onnx ... IndexTTS_F.onnx",
    "cpu-fp32 selected; no quantization or fp16 transform applied",
    "copied tokenizer D:\\AI_WorkSpace\\lcoal-multimodal-infra\\workdir\\data\\indextts-1.5-source-25851a6\\model\\bpe.model"
  ]
}