1.2 KiB
1.2 KiB
Real-time Speech Recognition with Vosk and Zig
This project implements a minimal real-time speech-to-text application using Vosk and Zig.
Setup
Prerequisites
- Zig 0.15.1 (configured via mise)
- Nix development environment with C compilation tools, ALSA, and audio libraries
Vosk Model Download
The application uses the Vosk small English model for speech recognition:
- Source: https://alphacephei.com/vosk/models/vosk-model-small-en-us-0.15.zip
- Size: ~50MB
- Language: English only
- Accuracy: Good for simple sentences and commands
Installation Steps
- Enter nix development environment:
nix develop - Download Vosk model:
wget https://alphacephei.com/vosk/models/vosk-model-small-en-us-0.15.zip - Extract model:
unzip vosk-model-small-en-us-0.15.zip - Build application:
zig build - Run:
./zig-out/bin/stt
Usage
The application will:
- Initialize audio capture from default microphone
- Load the Vosk speech recognition model
- Process audio in real-time
- Output recognized text to terminal
- Exit on Ctrl+C
Dependencies
- Vosk C API library
- ALSA for audio capture
- Standard C libraries for audio processing