ORBIT-8 v2.2 Preview

ORBIT-8 v2.2 improves held-out rhythm calibration, scheduled-sampling arrangement, and full-song HandFlow acceptance. Source archives do not contain model weights; download the attached ORBIT-8-v2.2-models.zip and place both .pt files in v22/releases/. Training charts, copyrighted audio, optimizer states, and intermediate checkpoints are not distributed. SHA-256: 21f9661ad97e753e32373e3c211595acb3894090a52fc46ba904202f4b3410d5

ORBIT-8 v2.1.0 Preview

ORBIT-8 v2.1.0 Preview

First downloadable inference release of ORBIT-8 by SeaLandX.

Included

• Calibrated 16M rhythm Transformer.
• Dynamic Trans-1 arrangement Transformer.
• Automatic BPM and offset ranker.
• Strict two-hand HandFlow optimization.
• FiNALE-compatible maidata.txt export.
• Local browser interface with difficulty and pattern controls.

Requirements

• Windows 10 or 11.
• Python 3.12.
• NVIDIA GPU with a working CUDA 12.8 driver.
• Approximately 6 GB of free disk space for the environment and package.

Install

1. Download ORBIT-8-v2.1.0-preview-windows.zip from this release.
2. Extract the archive.
3. Run setup_orbit8.ps1 in PowerShell.
4. Run start_maimai_web.ps1.
5. Open http://127.0.0.1:8765/.

Scope

This is a research preview. Generated charts must be checked and play-tested
before publication. Training charts, training audio, and intermediate
checkpoints are intentionally excluded. The release contains only the runtime
metadata and inference weights required by ORBIT-8 v2.1.