{
  "tool": "ACE-Step 1.5 official generate_music API",
  "sourceCommit": "ca1e85fe9430179831e6bc6be790c332190a3866",
  "modelRevision": "19671f406d603126926c1b7e2adc169acbcade22",
  "runtimeAdaptations": [
    "CPU DiT BF16 override to avoid FP32 memory expansion; model/algorithm unchanged",
    "Validate only actual three core components for source-conditioned Cover; LM not downloaded or initialized",
    "CPU two threads; offload flags enabled; no MLX/compile/quantization; own RSS stop at 9.25 GiB"
  ],
  "params": {
    "task_type": "cover",
    "instruction": "Fill the audio semantic mask based on the given conditions:",
    "reference_audio": null,
    "src_audio": "original-eight-second-melody.wav",
    "audio_codes": "",
    "caption": "An original warm acoustic instrumental, plucked acoustic guitar carrying the clear C major motif, gentle bass and very light brushed percussion, no vocals, intimate dry studio sound.",
    "global_caption": "",
    "lyrics": "[Instrumental]",
    "instrumental": true,
    "vocal_language": "unknown",
    "bpm": 60,
    "keyscale": "C Major",
    "timesignature": "4",
    "duration": 8.0,
    "enable_normalization": true,
    "normalization_db": -1.0,
    "fade_in_duration": 0.0,
    "fade_out_duration": 0.0,
    "latent_shift": 0.0,
    "latent_rescale": 1.0,
    "inference_steps": 4,
    "seed": 20261024,
    "guidance_scale": 1.0,
    "use_adg": false,
    "cfg_interval_start": 0.0,
    "cfg_interval_end": 1.0,
    "shift": 1.0,
    "infer_method": "ode",
    "sampler_mode": "euler",
    "velocity_norm_threshold": 0.0,
    "velocity_ema_factor": 0.0,
    "dcw_enabled": false,
    "dcw_mode": "double",
    "dcw_scaler": 0.05,
    "dcw_high_scaler": 0.02,
    "dcw_wavelet": "haar",
    "timesteps": null,
    "repainting_start": 0.0,
    "repainting_end": -1,
    "chunk_mask_mode": "auto",
    "repaint_latent_crossfade_frames": 10,
    "repaint_wav_crossfade_sec": 0.0,
    "repaint_mode": "balanced",
    "repaint_strength": 0.5,
    "retake_seed": null,
    "retake_variance": 0.0,
    "flow_edit_morph": false,
    "flow_edit_source_caption": "",
    "flow_edit_source_lyrics": "",
    "flow_edit_n_min": 0.0,
    "flow_edit_n_max": 1.0,
    "flow_edit_n_avg": 1,
    "audio_cover_strength": 0.6,
    "cover_noise_strength": 0.0,
    "thinking": false,
    "lm_temperature": 0.85,
    "lm_cfg_scale": 2.0,
    "lm_top_k": 0,
    "lm_top_p": 0.9,
    "lm_negative_prompt": "NO USER INPUT",
    "use_cot_metas": false,
    "use_cot_caption": false,
    "use_cot_lyrics": false,
    "use_cot_language": false,
    "use_constrained_decoding": true,
    "cot_bpm": null,
    "cot_keyscale": "",
    "cot_timesignature": "",
    "cot_duration": null,
    "cot_vocal_language": "unknown",
    "cot_caption": "",
    "cot_lyrics": ""
  },
  "config": {
    "batch_size": 1,
    "allow_lm_batch": false,
    "use_random_seed": false,
    "seeds": [
      20261024
    ],
    "lm_batch_chunk_size": 8,
    "constrained_decoding_debug": false,
    "audio_format": "wav",
    "mp3_bitrate": "128k",
    "mp3_sample_rate": 48000
  },
  "sourceIdentity": "Program-synthesized original eight-second motif; not human humming",
  "success": true,
  "initialization": {
    "success": true,
    "status": "[OK] Model initialized successfully on cpu\nMain model: /Volumes/Mac Storage/Projects/tokenba-tutorial-next30-20261024/media/ace-checkpoints/acestep-v15-turbo\nVAE: /Volumes/Mac Storage/Projects/tokenba-tutorial-next30-20261024/media/ace-checkpoints/vae\nText encoder: /Volumes/Mac Storage/Projects/tokenba-tutorial-next30-20261024/media/ace-checkpoints/Qwen3-Embedding-0.6B\nDtype: torch.bfloat16\nAttention: sdpa\nCompiled: False\nQuantization: Disabled\nOffload to CPU: True\nOffload DiT to CPU: True\nMLX DiT: Disabled by user\nMLX VAE: Active (native MLX)",
    "elapsedSeconds": 14.588632106781006
  },
  "statusMessage": "Generation completed successfully!",
  "audios": [
    {
      "path": "9ee711de-6432-fa16-3f13-88b833c0f1d4.wav",
      "key": "9ee711de-6432-fa16-3f13-88b833c0f1d4",
      "sample_rate": 48000,
      "params": {
        "task_type": "cover",
        "instruction": "Fill the audio semantic mask based on the given conditions:",
        "reference_audio": null,
        "src_audio": "/Volumes/Mac Storage/Projects/tokenba-tutorial-next30-20261024/media/inputs/original-eight-second-melody.wav",
        "audio_codes": "",
        "caption": "An original warm acoustic instrumental, plucked acoustic guitar carrying the clear C major motif, gentle bass and very light brushed percussion, no vocals, intimate dry studio sound.",
        "global_caption": "",
        "lyrics": "[Instrumental]",
        "instrumental": true,
        "vocal_language": "unknown",
        "bpm": 60,
        "keyscale": "C Major",
        "timesignature": "4",
        "duration": 8.0,
        "enable_normalization": true,
        "normalization_db": -1.0,
        "fade_in_duration": 0.0,
        "fade_out_duration": 0.0,
        "latent_shift": 0.0,
        "latent_rescale": 1.0,
        "inference_steps": 4,
        "seed": 20261024,
        "guidance_scale": 1.0,
        "use_adg": false,
        "cfg_interval_start": 0.0,
        "cfg_interval_end": 1.0,
        "shift": 1.0,
        "infer_method": "ode",
        "sampler_mode": "euler",
        "velocity_norm_threshold": 0.0,
        "velocity_ema_factor": 0.0,
        "dcw_enabled": false,
        "dcw_mode": "double",
        "dcw_scaler": 0.05,
        "dcw_high_scaler": 0.02,
        "dcw_wavelet": "haar",
        "timesteps": null,
        "repainting_start": 0.0,
        "repainting_end": -1,
        "chunk_mask_mode": "auto",
        "repaint_latent_crossfade_frames": 10,
        "repaint_wav_crossfade_sec": 0.0,
        "repaint_mode": "balanced",
        "repaint_strength": 0.5,
        "retake_seed": null,
        "retake_variance": 0.0,
        "flow_edit_morph": false,
        "flow_edit_source_caption": "",
        "flow_edit_source_lyrics": "",
        "flow_edit_n_min": 0.0,
        "flow_edit_n_max": 1.0,
        "flow_edit_n_avg": 1,
        "audio_cover_strength": 0.6,
        "cover_noise_strength": 0.0,
        "thinking": false,
        "lm_temperature": 0.85,
        "lm_cfg_scale": 2.0,
        "lm_top_k": 0,
        "lm_top_p": 0.9,
        "lm_negative_prompt": "NO USER INPUT",
        "use_cot_metas": false,
        "use_cot_caption": false,
        "use_cot_lyrics": false,
        "use_cot_language": false,
        "use_constrained_decoding": true,
        "cot_bpm": null,
        "cot_keyscale": "",
        "cot_timesignature": "",
        "cot_duration": null,
        "cot_vocal_language": "unknown",
        "cot_caption": "",
        "cot_lyrics": "",
        "lora_loaded": false,
        "use_lora": false,
        "lora_scale": 1.0,
        "lora_weights_hash": "",
        "audio_format": "wav"
      }
    }
  ],
  "elapsedSeconds": 308.2570161819458,
  "maxRssBytes": 4739596288
}
