1. Akansu, A.N., Haddad, R.A.: Multiresolution Signal Decomposition: Transforms, Subbands, and Wavelets. Academic, Cambridge (2001)
2. Alepis, E., Patsakis, C.: Monkey says, monkey does: security and privacy on voice assistants. IEEE Access 5, 17841–17851 (2017)
3. Amazon.com: Amazon Alexa (2023). https://developer.amazon.com/en-US/alexa
4. American Home Shield: Top 10: Best ‘Smart Home’ Voice-Control Devices (2023). https://www.ahs.com/home-matters/tech/smart-home-voice-control-devices
5. Apple: Apple Siri (2023). https://www.apple.com/siri/