Voice assistants (VA) have become prevalent on a wide range of personal devices such as
smartphones and smart speakers. As companies build voice assistants with extra …

Personal voice assistants (PVAs) are increasingly used as interfaces to digital environments.
Voice commands are used to interact with phones, smart homes, or cars. In the United …

Though playing an essential role in smart home systems, smart speakers are vulnerable to
voice spoofing attacks. Passive liveness detection, which utilizes only the collected audio …

Since being launched in 2014, Alexa, Amazon's versatile cloud-based voice service, is now
active in over 100 million households worldwide [1]. Alexa's user-friendly, personalized …

Robust speech enhancement is considered as the holy grail of audio processing and a key
requirement for human-human and human-machine interaction. Solving this task with single …

Voice assistants (VAs) are becoming highly popular recently as a general means of
interacting with the Internet of Things. However, the use of always-on microphones on VAs …