50 lines
1.4 KiB
Markdown
50 lines
1.4 KiB
Markdown
# Real-time Speech Recognition with Vosk and Zig
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This project implements a minimal real-time speech-to-text application using Vosk and Zig.
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## Audio Device Configuration
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The application uses ALSA's default device, which is configured in `alsa.conf`. To use a different audio device:
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1. Find your audio devices: `aplay -l` or `arecord -l`
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2. Edit `alsa.conf` and update the `pcm.!default` section:
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```
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pcm.!default {
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type hw
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card 3 # Change to your card number
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device 0 # Change to your device number
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}
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```
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3. Rebuild and run the application
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### Prerequisites
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- Zig 0.15.1 (configured via mise)
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- Nix development environment configured for ALSA, and audio libraries
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### Vosk Model Download
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The application uses the Vosk small English model for speech recognition:
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- **Source**: https://alphacephei.com/vosk/models/vosk-model-small-en-us-0.15.zip
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- **Size**: ~50MB
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- **Language**: English only
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- **Accuracy**: Good for simple sentences and commands
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### Installation Steps
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1. Enter nix development environment: `nix develop`
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2. Build application: `zig build`
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3. Run: `zig build run`
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## Usage
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The application will:
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- Initialize audio capture from default microphone
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- Load the Vosk speech recognition model
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- Process audio in real-time
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- Output recognized text to terminal
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- Exit on Ctrl+C
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## Dependencies
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- Vosk C API library
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- ALSA for audio capture
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## Notes
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Vosk tends to recognize "light" as lake or like
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