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 …

Advances in voice technology and voice user interfaces (VUIs)--such as Alexa, Siri, and
Google Home--have opened up the potential for many new types of interaction. However …

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-based Intelligent Virtual Assistants (IVAs) promise to improve healthcare management
and Quality of Life (QOL) by introducing the paradigm of hands-free and eye-free …

Acoustic signal has been recently adopted for contact-free hand gesture recognition due to
its fine-grained sensing granularity and wide availability of microphone and speaker in …

The application and use cases for conversational agents (CAs) are versatile. Smart
speakers such as Alexa and Google Home are used in smart home environments, digital …

Ubiquitous microphones on smart devices considerably raise users' concerns about speech
privacy. Since the microphones are primarily controlled by hardware/software developers …

Abstract “Tracking” is the collection of data about an individual's activity across multiple
distinct contexts and the retention, use, or sharing of data derived from that activity outside …

The pervasive use of smart speakers has raised numerous privacy concerns. While work to
date provides an understanding of user perceptions of these threats, limited research …

Continuous authentication is increasingly critical for cyber security. However, existing
approaches are time-inefficient due to their simple signal modulation with low-effective …