Nirupam Roy

Title: Innovations by Inventor Nirupam Roy

Introduction

Nirupam Roy is a notable inventor based in Urbana, IL (US). He has made significant contributions to the field of voice-enabled technology, holding a total of 6 patents. His work focuses on enhancing the security and functionality of voice-activated devices.

Latest Patents

One of his latest patents involves a voice-enabled device designed to defend against inaudible signal attacks. This device captures multiple inaudible signals from ultrasonic speakers and processes them to generate digital output samples. The technology detects non-linearities within the recorded sound data, allowing the device to suppress actions programmed in response to voice commands when unauthorized signals are detected.

Another innovative patent by Roy involves an audio transmitter that enables microphones to detect inaudible sounds while defending against inaudible attacks. This system utilizes multiple ultrasonic speakers and a waveform generator to frequency modulate inaudible signals. The combination of these signals allows the microphone system to record sounds that would otherwise be undetectable.

Career Highlights

Nirupam Roy has worked at prestigious institutions such as the University of Illinois and Duke University. His research and inventions have significantly advanced the field of audio technology, particularly in the realm of security against inaudible threats.

Collaborations

Throughout his career, Roy has collaborated with notable colleagues, including Romit Roy Choudhury and Mahanth K Gowda. These partnerships have contributed to the development of innovative solutions in voice technology.

Conclusion

Nirupam Roy's contributions to voice-enabled technology and his innovative patents demonstrate his commitment to advancing the field. His work not only enhances device functionality but also addresses critical security concerns in audio technology.