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ARIA v2

中文版本 / Chinese Version

AI Realtime Intelligent Audio

Windows GPLv3 License

**Universal Real-time AI Subtitles for Windows** - Capture and transcribe any audio playing on your system with AI-powered speech recognition. PixPin_2026-02-19_05-25-50

Features

Core Features

  • Universal Audio Capture - Works with any application (games, videos, calls, etc.)
  • Three Recognition Modes:
    • Precise Mode: Uses Whisper for high-accuracy transcription (NVIDIA GPU recommended)
    • Realtime Mode: Uses Sherpa-ONNX/Vosk for word-by-word streaming (CPU/GPU)
    • LiveCaptions Mode: Uses Windows 11 built-in AI (✅ No GPU/CUDA required, works on AMD/Intel/NVIDIA)
  • Multi-language Support: Chinese, English, Japanese, Korean, and more
  • Real-time Translation: Translate transcriptions with Google Cloud or NLLB (local)
  • Customizable Overlay: Draggable subtitle window with adjustable position
  • Multilingual UI: English, Traditional Chinese, Simplified Chinese
  • Embedded Python: No separate Python installation required

Recent Updates & Enhancements(v2.0.1)

Important

How to Update: Directly replace the src folder in your original project package with the src folder from this project repository.

  • Microphone Input: Auto-detects audio input devices with a new audio source dropdown list.
  • .ts File Continuous Transcription: Tracks and transcribes continuously growing .ts files in real-time (1:1 speed). Scans the selected folder every loop to automatically read the newly appended parts of the latest .ts file. Includes a caching algorithm to avoid unstable parts at the beginning of the file and to maintain a safe time buffer. Optionally scans subdirectories.
  • S3 Cloud Storage: Can automatically upload transcriptions to S3 for direct link access.
  • Timezone Settings: Control timezone displays in both logs and the console.
  • Subtitle Overlay: Added a button to easily toggle the subtitle overlay window on and off.
  • Log Management: Added a switch between detailed and brief logs (brief logs only show time and transcribed/translated text). All transcribed contents are fully displayed without truncation. Logs are written to disk directly (immediate flush) without locking the file.
  • Language Separation: Separated Simplified Chinese and Traditional Chinese outputs, fixing issues where both were mixed in the text.
  • UI Optimizations: Improved layout to prevent visual crowding. The UI can now be freely resized.
  • Quick Launch: Added a one-click launcher script to bypass the UI and directly start the program.

System Requirements

🟢 ARIA Lite (Recommended)

Perfect for most users. Zero configuration.

  • OS: Windows 11 (version 22H2 or later)
  • Hardware: Any standard laptop or PC (Intel/AMD/NVIDIA)
  • No specific GPU or CUDA required.

🔷 ARIA Full (Pro / Offline)

For users needing high-precision offline transcription.

  • OS: Windows 10 or 11
  • GPU: NVIDIA GTX 10 series or newer (Recommended for best speed)
  • Storage: ~10 GB free space

Download

Choose Your Version

Version Size Description Google Drive Baidu
Lite 【Recommended】 ~600 MB Best for most users. Lightweight, fast, accurate, works on ANY GPU (AMD/Intel). Requires Windows 11 (22H2 or later). Google Drive Baidu
Full ~7.6 GB All Modes (Precise/Realtime/Live). Offline models pre-installed. Google Drive Baidu

Full Version Included Models

Model Type Size Languages
Whisper Large-v3 Precise 3 GB All
Sherpa-ONNX Bilingual Realtime 500 MB Chinese, English
Vosk Japanese Realtime 1 GB Japanese
NLLB Translation Translation 1.2 GB Many

Quick Start

  1. Download and extract the ZIP file
  2. Double-click ARIA.bat
  3. Lite Version: Ready to use immediately (Live Captions only).
  4. Full Version: Select mode and click Start.

Configuration

Recognition Modes

Mode Engine Best For GPU Requirement
Precise Whisper Speeches, videos, pre-recorded content NVIDIA recommended
Realtime Sherpa-ONNX / Vosk Live conversations, streaming CPU/GPU
LiveCaptions Windows 11 AI General Use (Movies/Meetings) ✅ Any CPU / GPU (No NPU needed)

Supported Languages

Language Precise Mode Realtime Mode LiveCaptions Mode
Chinese (中文) ✅ (Sherpa-ONNX)
English ✅ (Sherpa-ONNX)
Japanese (日本語) ✅ (Vosk)
Korean (한국어)
Spanish, French, etc.
+ 50 more

LiveCaptions Mode: Supports 11 languages via Windows 11 built-in AI. No model download required!

Translation

Local Models (Offline):

  • NLLB-200: Meta's multilingual translation model, supports 200+ languages, runs locally

Online Services (Free APIs):

  • Google Translate: Fast and accurate, via web scraping
  • Bing Translator: Microsoft's translation service
  • Youdao: 有道翻译 (specialized for Chinese-English translation)

Note: Online services use web scraping and may be subject to rate limiting. Local NLLB model recommended for reliability.

Package Structure

ARIA/
├── python/          # Embedded Python (no installation needed)
├── src/             # Source code
├── models/          # AI models (Full version only)
├── ARIA.bat         # Launcher

Screenshots

PixPin_2026-02-19_05-25-39 19

License

This project is licensed under the GNU General Public License v3.0 - see the LICENSE file for details.

Acknowledgments

Contact

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ARIA - AI Realtime Intelligent Audio | Universal real-time AI subtitles for Windows

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