{
  "model_type": "dramabox-tts",
  "architecture": "DiT-FlowMatching",
  "base_model": "ltx-2.3-22b-dev-audio-only",
  "parameters": "3.3B",
  "num_layers": 48,
  "audio_inner_dim": 2048,
  "audio_num_attention_heads": 32,
  "audio_attention_head_dim": 64,
  "audio_cross_attention_dim": 2048,
  "denoising_steps": 30,
  "scheduler": "euler_flow_matching",
  "text_encoder": "google/gemma-3-12b-it-qat-q4_0-unquantized",
  "text_encoder_hidden_size": 3840,
  "ic_lora": {
    "rank": 128,
    "alpha": 128,
    "merged": true,
    "training_version": "v13",
    "text_dropout": 0.4,
    "training_steps": "v12@3000 + v13@1000"
  },
  "audio": {
    "sample_rate": 48000,
    "vae_channels": 8,
    "mel_bins": 16,
    "fps": 25.0
  },
  "inference_defaults": {
    "cfg_scale": 2.5,
    "stg_scale": 1.5,
    "rescale_scale": 0.0,
    "modality_scale": 1.0,
    "duration_multiplier": 1.1,
    "seed": 42
  },
  "files": {
    "transformer": "dramabox-dit-v1.safetensors",
    "audio_components": "dramabox-audio-components.safetensors",
    "silence_latent": "assets/silence_latent_frame.pt"
  }
}