{
  "schema_version": 1,
  "family": "kroko_asr",
  "display_name": "Kroko Community ASR",
  "description": "Native Zipformer2 RNN-T transcription for the public free Kroko Community single-language packages, with offline and stateful streaming inference, greedy and modified beam decoding, hotwords, endpoint segments, partial results, and word timestamps.",
  "category": "asr",
  "status": "community",
  "tasks": [
    "asr"
  ],
  "modes": [
    "offline",
    "streaming"
  ],
  "languages": [
    "de",
    "en",
    "es",
    "fr",
    "it",
    "he",
    "nl",
    "pt",
    "sv",
    "tr"
  ],
  "capabilities": {
    "asr": [
      "word_timestamps",
      "partial_results",
      "segments"
    ]
  },
  "options": {
    "request": [
      {
        "name": "language",
        "type": "string",
        "description": "Language code matching the selected single-language Kroko package; default auto uses the package language.",
        "required": false,
        "default": "auto"
      },
      {
        "name": "decoding_method",
        "type": "enum",
        "description": "RNN-T decoding method; greedy search remains the parity-tested default.",
        "values": [
          "greedy_search",
          "modified_beam_search"
        ],
        "required": false,
        "default": "greedy_search"
      },
      {
        "name": "num_beams",
        "type": "int",
        "description": "Maximum active hypotheses retained by modified beam search.",
        "required": false,
        "min": 1,
        "max": 64,
        "default": 4
      },
      {
        "name": "blank_penalty",
        "type": "float",
        "description": "Non-negative score subtracted from the RNN-T blank logit.",
        "required": false,
        "min": 0.0,
        "default": 0.0
      },
      {
        "name": "hotwords",
        "type": "string",
        "description": "Slash- or newline-separated natural-text phrases; requires modified beam search.",
        "required": false
      },
      {
        "name": "hotwords_score",
        "type": "float",
        "description": "Non-negative per-token context boost for hotword phrases.",
        "required": false,
        "min": 0.0,
        "default": 1.5
      },
      {
        "name": "enable_endpoint",
        "type": "bool",
        "description": "Enable automatic endpoint speech segments.",
        "required": false,
        "default": false
      },
      {
        "name": "rule1_min_trailing_silence_sec",
        "type": "float",
        "description": "Endpoint timeout in seconds even when no speech token was decoded.",
        "required": false,
        "min": 0.0,
        "default": 2.4
      },
      {
        "name": "rule2_min_trailing_silence_sec",
        "type": "float",
        "description": "Endpoint silence in seconds after a speech token was decoded.",
        "required": false,
        "min": 0.0,
        "default": 1.2
      },
      {
        "name": "rule3_min_utterance_length_sec",
        "type": "float",
        "description": "Maximum utterance duration in seconds before an endpoint.",
        "required": false,
        "min": 0.0,
        "default": 20.0
      }
    ],
    "session": [],
    "load": []
  },
  "runtime": {
    "tags": [
      "gguf",
      "stream"
    ]
  },
  "sources": [
    {
      "format": "gguf",
      "roots": {
        "model": ".",
        "weights": "$gguf"
      },
      "files": {
        "config": "model:config.json",
        "tokens": "model:tokens.txt"
      },
      "tensors": {
        "weights": "weights:"
      }
    },
    {
      "format": "safetensors",
      "roots": {
        "model": "."
      },
      "files": {
        "config": "model:config.json",
        "tokens": "model:tokens.txt"
      },
      "tensors": {
        "weights": "model:model.safetensors"
      }
    }
  ],
  "package_defaults": {
    "download": {
      "kind": "huggingface_snapshot",
      "repo": "audio-cpp/audio.cpp-gguf",
      "revision": "main",
      "gated": false
    }
  },
  "packages": [
    {
      "id": "kroko_asr_community_q8_0",
      "display_name": "Kroko Community ASR Q8_0 GGUF",
      "default": true,
      "format": "gguf",
      "precision": "q8_0",
      "target_directory": "Kroko-ASR-GGUF",
      "files": [
        "Kroko-ASR-GGUF/kroko-en-community-64-l-q8_0.gguf"
      ],
      "strip_prefix": "Kroko-ASR-GGUF"
    }
  ],
  "dependencies": [],
  "ui": {
    "recommended_package": "kroko_asr_community_q8_0",
    "tags": [
      "ASR",
      "GGUF"
    ],
    "docs": [
      "docs/asr.md",
      "docs/community_models/kroko_asr.md",
      "docs/gguf.md"
    ]
  }
}