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README.md

@@ -288,6 +288,22 @@ The following wake words are supported:
 - porcupine
 - terminator
 
+### Wake Word Engines
+
+Two wake word engines are supported:
+
+- **openwakeword** (default) - Open source, free to use, good accuracy
+- **pvporcupine** - Picovoice's Porcupine engine, highly optimized
+
+Choose the engine based on your requirements:
+```bash
+# Use OpenWakeWord (default)
+tooling stt listen --wakeword-engine openwakeword
+
+# Use Porcupine for better performance
+tooling stt listen --wakeword-engine pvporcupine
+```
+
 ### Available Models
 
 | Model | Speed | Accuracy | Memory | Use Case |
@@ -311,6 +327,7 @@ Options:
   --save-to-file PATH    Save transcriptions to a file
   --sensitivity FLOAT    Wake word sensitivity (0.0 to 1.0) [default: 0.6]
   --device TEXT          Device to use (auto, cuda, cpu) [default: auto]
+  --wakeword-engine TEXT Wake word engine (openwakeword, pvporcupine) [default: openwakeword]
   --verbose              Show verbose output and configuration
   --help                 Show this message and exit
 ```
@@ -342,6 +359,11 @@ tooling stt test --duration 5 --model tiny
 tooling stt listen --language es --sensitivity 0.8 --wake-word "hey google"
 ```
 
+**Use different wake word engine:**
+```bash
+tooling stt listen --wakeword-engine pvporcupine --wake-word alexa
+```
+
 ### How it Works
 
 1. **Initialization**: Loads the selected Whisper model and sets up audio processing