How Does Alexa Avoid Interrupting Itself When Saying Its Own Name?

Hello r/deeplearning community,

I've noticed that Alexa doesn't interrupt itself when it says "Alexa," but it does respond when someone else says it. How does it achieve this? Here are a few questions I have:

1. **Self-Recognition:** How does Alexa distinguish between its own voice and a user's voice saying "Alexa"?
2. **Voice Characteristics:** What specific features (e.g., pitch, tone) does Alexa analyze to recognize its own TTS voice?
3. **Algorithms and Models:** What machine learning models or algorithms are …

alexa community deeplearning hello questions recognition voice