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Voice input has been tremendously improving the user experience of mobile devices by freeing our hands from typing on the small screen. Speech recognition is the key technology that powers voice input, and it is usually outsourced to the…

Cryptography and Security · Computer Science 2017-12-01 Jianwei Qian , Haohua Du , Jiahui Hou , Linlin Chen , Taeho Jung , Xiang-Yang Li , Yu Wang , Yanbo Deng

As users increasingly rely on cloud-based computing services, it is important to ensure that uploaded speech data remains private. Existing solutions rely either on server-side methods or focus on hiding speaker identity. While these…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-26 Peter Wu , Paul Pu Liang , Jiatong Shi , Ruslan Salakhutdinov , Shinji Watanabe , Louis-Philippe Morency

Recently, opportunities to transmit speech data to deep learning models executed in the cloud have increased. This has led to growing concerns about speech privacy, including both speaker-specific information and the linguistic content of…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-25 Kohei Tanaka , Hitoshi Kiya , Sayaka Shiota

In this paper, we propose a new secure machine learning inference platform assisted by a small dedicated security processor, which will be easier to protect and deploy compared to today's TEEs integrated into high-performance processors.…

Cryptography and Security · Computer Science 2024-10-30 Pengzhi Huang , Thang Hoang , Yueying Li , Elaine Shi , G. Edward Suh

The development of privacy-preserving automatic speaker verification systems has been the focus of a number of studies with the intent of allowing users to authenticate themselves without risking the privacy of their voice. However, current…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-28 Francisco Teixeira , Alberto Abad , Bhiksha Raj , Isabel Trancoso

We present CallShield, the first caller identity authentication system that operates entirely at the audio layer, without relying on speech transcription, internet connectivity, or trusted infrastructure. CallShield introduces a real-time…

Cryptography and Security · Computer Science 2026-01-15 Mouna Rabh , Yazan Boshmaf , Mashael Alsabah , Shammur Chowdhury , Mohamed Hefeeda , Issa Khalil

Edge intelligence enables resource-demanding Deep Neural Network (DNN) inference without transferring original data, addressing concerns about data privacy in consumer Internet of Things (IoT) devices. For privacy-sensitive applications,…

Cryptography and Security · Computer Science 2024-03-20 Xueshuo Xie , Haoxu Wang , Zhaolong Jian , Tao Li , Wei Wang , Zhiwei Xu , Guiling Wang

Speaker anonymization aims to conceal cues to speaker identity while preserving linguistic content. Current machine learning based approaches require substantial computational resources, hindering real-time streaming applications. To…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-04 Waris Quamer , Ricardo Gutierrez-Osuna

Automatic Speech Understanding (ASU) leverages the power of deep learning models for accurate interpretation of human speech, leading to a wide range of speech applications that enrich the human experience. However, training a robust ASU…

Sound · Computer Science 2023-06-14 Tiantian Feng , Digbalay Bose , Xuan Shi , Shrikanth Narayanan

With the rise of large language models, service providers offer language models as a service, enabling users to fine-tune customized models via uploaded private datasets. However, this raises concerns about sensitive data leakage. Prior…

Cryptography and Security · Computer Science 2026-01-22 Yi Liu , Weixiang Han , Chengjun Cai , Xingliang Yuan , Cong Wang

Despite showing state-of-the-art performance, deep learning for speech recognition remains challenging to deploy in on-device edge scenarios such as mobile and other consumer devices. Recently, there have been greater efforts in the design…

Audio and Speech Processing · Electrical Eng. & Systems 2018-11-15 Zhong Qiu Lin , Audrey G. Chung , Alexander Wong

The cloud-based speech recognition/API provides developers or enterprises an easy way to create speech-enabled features in their applications. However, sending audios about personal or company internal information to the cloud, raises…

Cryptography and Security · Computer Science 2019-05-15 Shi-Xiong Zhang , Yifan Gong , Dong Yu

As Edge Intelligence (EI) becomes increasingly prevalent in domains such as smart healthcare, manufacturing, and critical infrastructure, ensuring data privacy while maintaining system efficiency is a growing challenge. This paper presents…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-08 Quoc Lap Trieu , Bahman Javadi , Jim Basilakis

The training phase of deep neural networks requires substantial resources and as such is often performed on cloud servers. However, this raises privacy concerns when the training dataset contains sensitive content, e.g., facial or medical…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Yamin Sepehri , Pedram Pad , Pascal Frossard , L. Andrea Dunbar

This paper presents a novel framework for speech transcription and synthesis, leveraging edge-cloud parallelism to enhance processing speed and accessibility for Kinyarwanda and Swahili speakers. It addresses the scarcity of powerful…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-21 Pacome Simon Mbonimpa , Diane Tuyizere , Azizuddin Ahmed Biyabani , Ozan K. Tonguz

Advances in deep learning have led to state-of-the-art performance across a multitude of speech recognition tasks. Nevertheless, the widespread deployment of deep neural networks for on-device speech recognition remains a challenge,…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-14 Alexander Wong , Mahmoud Famouri , Maya Pavlova , Siddharth Surana

With the development of smart devices, such as the Amazon Echo and Apple's HomePod, speech data have become a new dimension of big data. However, privacy and security concerns may hinder the collection and sharing of real-world speech data,…

Cryptography and Security · Computer Science 2020-04-17 Yaowei Han , Sheng Li , Yang Cao , Qiang Ma , Masatoshi Yoshikawa

While most deployed speech recognition systems today still run on servers, we are in the midst of a transition towards deployments on edge devices. This leap to the edge is powered by the progression from traditional speech recognition…

Computation and Language · Computer Science 2020-02-10 Yuan Shangguan , Jian Li , Qiao Liang , Raziel Alvarez , Ian McGraw

Speaker-independent speech recognition systems trained with data from many users are generally robust against speaker variability and work well for a large population of speakers. However, these systems do not always generalize well for…

Audio and Speech Processing · Electrical Eng. & Systems 2019-09-17 Khe Chai Sim , Petr Zadrazil , Françoise Beaufays

Low latency speech human-machine communication is becoming increasingly necessary as speech technology advances quickly in the last decade. One of the primary factors behind the advancement of speech technology is self-supervised learning.…

Computation and Language · Computer Science 2026-01-01 Yun Tang , Cindy Tseng