AI Voice Recorder is a premium voice recording and transcription application powered by cutting-edge speech recognition technology. Featuring an offline voice processing engine supporting 28 languages, it enables high-precision speech-to-text conversion without network connectivity. We implemented the functionality using SwiftUI and WhisperKit. You can learn how to use WhisperKit models in iOS.
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High-Performance Audio Processing Engine
- 48kHz/24bit high-quality audio recording
- Real-time audio waveform visualization
- Noise cancellation and echo removal
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AI Speech Recognition System
- On-device machine learning model deployment
- Real-time speech-to-text conversion
- Multi-speaker identification and separation
- Support for 28 languages including:
- Asia: Korean, Japanese, Chinese (Simplified/Traditional), Vietnamese
- Europe: English, French, German, Spanish
- Others: Arabic, Hindi
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Storage & Synchronization
- iCloud-based data synchronization
- Local SQLite database implementation
- Incremental backup system
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File Management
- Advanced search algorithms
- Metadata-based file indexing
- Multiple audio/text format support
- Automatic meeting minutes generation
- Interview documentation
- Multilingual business meetings
- Lecture recording and transcription
- Research interview documentation
- Learning material creation
- Voice memo for ideas
- Multilingual learning tool
- Personal journal creation
- Complete offline processing to prevent data leakage
- End-to-End encryption implementation
- Zero personal information collection policy
- iCloud security protocol compliance
- Local data AES-256 encryption
- Automated backup and recovery system
- iOS 14.0 or later