{
  "schema_version": 1,
  "family": "universr",
  "display_name": "UniverSR",
  "description": "Complex-STFT flow-matching audio super-resolution to 48 kHz.",
  "category": "audio_tools",
  "status": "supported",
  "tasks": [
    "s2s"
  ],
  "modes": [
    "offline"
  ],
  "languages": [
    "language_agnostic"
  ],
  "capabilities": {
    "s2s": [
      "audio_enhancement"
    ]
  },
  "runtime": {
    "tags": [
      "gguf"
    ]
  },
  "options": {
    "request": [
      {
        "name": "audio_chunk_duration_sec",
        "type": "float",
        "description": "Independent audio segments concatenated after inference; zero processes the whole file. Chunking changes global normalization context.",
        "min": 0,
        "default": 0,
        "required": false
      },
      {
        "name": "input_sample_rate",
        "type": "int",
        "description": "Effective input bandwidth sample rate: 8000, 12000, 16000, or 24000 Hz.",
        "required": false
      },
      {
        "name": "sampler_mode",
        "type": "enum",
        "description": "Fixed-step ODE integration method.",
        "values": [
          "euler",
          "midpoint",
          "rk4"
        ],
        "default": "midpoint",
        "required": false
      },
      {
        "name": "num_inference_steps",
        "type": "int",
        "description": "ODE integration steps.",
        "min": 1,
        "default": 4,
        "required": false
      },
      {
        "name": "guidance_scale",
        "type": "float",
        "description": "Classifier-free guidance scale; zero disables guidance.",
        "min": 0,
        "default": 1.5,
        "required": false
      },
      {
        "name": "seed",
        "type": "int",
        "description": "Initial flow noise seed.",
        "min": 0,
        "default": 42,
        "required": false
      }
    ],
    "session": [
      {
        "name": "weight_type",
        "type": "enum",
        "description": "Weight storage type; native preserves the GGUF tensor types.",
        "required": false,
        "default": "native",
        "values": [
          "native",
          "f32",
          "f16",
          "bf16",
          "q8_0",
          "q4_0",
          "q4_1",
          "q5_0",
          "q5_1",
          "q2_k",
          "q3_k",
          "q4_k",
          "q5_k",
          "q6_k"
        ]
      }
    ],
    "load": []
  },
  "package_defaults": {
    "download": {
      "kind": "huggingface_snapshot",
      "repo": "audio-cpp/audio.cpp-gguf",
      "revision": "main",
      "gated": false
    }
  },
  "packages": [
    {
      "id": "universr_audio_orig",
      "display_name": "UniverSR Audio GGUF F32",
      "default": true,
      "format": "gguf",
      "precision": "f32",
      "target_directory": "UniverSR-GGUF",
      "files": [
        "UniverSR-GGUF/universr-audio-orig.gguf"
      ],
      "strip_prefix": "UniverSR-GGUF"
    },
    {
      "id": "universr_speech_orig",
      "display_name": "UniverSR Speech GGUF F32",
      "format": "gguf",
      "precision": "f32",
      "target_directory": "UniverSR-GGUF",
      "files": [
        "UniverSR-GGUF/universr-speech-orig.gguf"
      ],
      "strip_prefix": "UniverSR-GGUF"
    }
  ],
  "dependencies": [],
  "ui": {
    "tags": [
      "GGUF"
    ],
    "docs": [],
    "recommended_package": "universr_audio_orig"
  },
  "sources": [
    {
      "format": "gguf",
      "roots": {
        "model": ".",
        "weights": "$gguf"
      },
      "files": {
        "config": "model:config.json"
      },
      "tensors": {
        "weights": {
          "source": "weights:",
          "prefix": "weights"
        },
        "frontend": {
          "source": "weights:",
          "prefix": "frontend"
        }
      }
    }
  ]
}