audio_toolkit 0.0.33

A macOS-only Flutter plugin to record system/microphone audio and transcribe voice to text with real-time speech detection.

🎧 AUDIO TOOLKIT

📦 A Flutter plugin for macOS 13+ to record system audio, microphone, and transcribe voice to text using built-in speech recognition.

We are currently working on Windows, Android, and iOS support.
Perfect for building voice assistants, audio analysis, and screen/audio capture apps on macOS.

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🧠 Features

• 🎙️ System Audio Recording (macOS only)
• 🎤 Microphone Recording
• 🗣️ Speech-to-Text Transcription
  • Transcribe recorded files to text
• ⏱️ Real-time Streaming Transcription
  • Get results segment-by-segment as audio is processed
• 📁 Save Recordings to File
  • Output to Downloads folder as .wav

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🛠️ macOS Setup Guide

This plugin requires specific permissions & capabilities:

1. App Sandbox – Downloads Folder Access

Xcode → Signing & Capabilities → App Sandbox → Enable User Selected File → Add Downloads Folder

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2. Enable Hardened Runtime – Audio Input

Xcode → Signing & Capabilities → Hardened Runtime → Enable Audio Input

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3. Add Permissions to Info.plist

<key>NSMicrophoneUsageDescription</key>
<string>This app requires microphone access to record audio.</string>

<key>NSSpeechRecognitionUsageDescription</key>
<string>This app uses speech recognition to convert voice to text.</string>

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📦 Installation

In your pubspec.yaml:

dependencies:
  audio_toolkit: <latest_version>

Then run:

flutter pub get

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⚠️ Known Limitations

• ✅ Works only on macOS 13+
• 🔒 Speech recognition does not work in debug mode
  Run your .app via flutter build macos instead of flutter run
• 📁 File output path is currently fixed to Downloads
• ⛔ Screen or system audio permissions may need to be granted manually

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🧭 Use Cases

• 🎤 Voice-to-text dictation tools
• 📹 Screen recording with audio overlay
• 🎧 Podcast tools and voice editing apps
• 📊 Real-time voice analysis

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🔮 Roadmap

• ✅ macOS support (Complete)
• ⏳ iOS / Android / Windows support
• 📜 Whisper & multilingual transcription
• 🎚️ Audio format & output customization

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🤝 Contributions

Feel free to open an issue or submit a pull request.
Your feedback makes this tool better 💜

Maintained by @vuduchieu