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End-to-end approaches to anti-spoofing, especially those which operate directly upon the raw signal, are starting to be competitive with their more traditional counterparts. Until recently, all such approaches consider only the learning of…

Audio and Speech Processing · Electrical Eng. & Systems 2021-10-07 Wanying Ge , Jose Patino , Massimiliano Todisco , Nicholas Evans

Iterative generative models, such as noise conditional score networks and denoising diffusion probabilistic models, produce high quality samples by gradually denoising an initial noise vector. However, their denoising process has many…

Machine Learning · Computer Science 2021-01-08 Eric Luhman , Troy Luhman

Speech separation is a fundamental task in audio processing, typically addressed with fully supervised systems trained on paired mixtures. While effective, such systems typically rely on synthetic data pipelines, which may not reflect…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-30 Runwu Shi , Kai Li , Chang Li , Jiang Wang , Sihan Tan , Kazuhiro Nakadai

Open-vocabulary learning requires modeling the data distribution in open environments, which consists of both seen-class and unseen-class data. Existing methods estimate the distribution in open environments using seen-class data, where the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Xiaomeng Fan , Yuchuan Mao , Zhi Gao , Yuwei Wu , Jin Chen , Yunde Jia

Training a small student network with the guidance of a larger teacher network is an effective way to promote the performance of the student. Despite the different types, the guided knowledge used to distill is always kept unchanged for…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Jiangfan Han , Mengya Gao , Yujie Wang , Quanquan Li , Hongsheng Li , Xiaogang Wang

Unsupervised neural machine translation (UNMT) has recently achieved remarkable results for several language pairs. However, it can only translate between a single language pair and cannot produce translation results for multiple language…

Computation and Language · Computer Science 2020-04-22 Haipeng Sun , Rui Wang , Kehai Chen , Masao Utiyama , Eiichiro Sumita , Tiejun Zhao

Neural speech editing advancements have raised concerns about their misuse in spoofing attacks. Traditional partially edited speech corpora primarily focus on cut-and-paste edits, which, while maintaining speaker consistency, often…

Existing methods for distillation do not efficiently utilize the training data. This work presents a novel approach to perform distillation using only a subset of the training data, making it more data-efficient. For this purpose, the…

Machine Learning · Computer Science 2021-04-26 Sourav Mishra , Suresh Sundaram

It becomes urgent to design effective anti-spoofing algorithms for vulnerable automatic speaker verification systems due to the advancement of high-quality playback devices. Current studies mainly treat anti-spoofing as a binary…

Computer Vision and Pattern Recognition · Computer Science 2023-01-19 Yongqiang Dou , Haocheng Yang , Maolin Yang , Yanyan Xu , Dengfeng Ke

Deepfake speech detection presents a growing challenge as generative audio technologies continue to advance. We propose a hybrid training framework that advances detection performance through novel augmentation strategies. First, we…

Sound · Computer Science 2025-11-14 Inbal Rimon , Oren Gal , Haim Permuter

This paper describes our proposed integration system for the spoofing-aware speaker verification challenge. It consists of a robust spoofing-aware verification system that use the speaker verification and antispoofing embeddings extracted…

Audio and Speech Processing · Electrical Eng. & Systems 2022-04-05 Juan M. Martín-Doñas , Iván G. Torre , Aitor Álvarez , Joaquin Arellano

Although large foundation models pre-trained by self-supervised learning have achieved state-of-the-art performance in many tasks including automatic speech recognition (ASR), knowledge distillation (KD) is often required in practice to…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-21 Xiaoyu Yang , Qiujia Li , Chao Zhang , Philip C. Woodland

Training models continually to detect and classify objects, from new classes and new domains, remains an open problem. In this work, we conduct a thorough analysis of why and how object detection models forget catastrophically. We focus on…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Eli Verwimp , Kuo Yang , Sarah Parisot , Hong Lanqing , Steven McDonagh , Eduardo Pérez-Pellitero , Matthias De Lange , Tinne Tuytelaars

Sampling from pretrained diffusion and flow-matching models typically requires many forward passes to generate diverse and high-fidelity images. Existing distillation methods often rely on multiple auxiliary networks, carefully designed…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Yuan Zhang , Chenyi Li , Guoqing Ma , Jiajun Zha , Yuanming Yang , Bo Wang , Wei Tang , Wenbo Li , Haoyang Huang , Nan Duan

Cued Speech (CS) is a visual communication system for the deaf or hearing impaired people. It combines lip movements with hand cues to obtain a complete phonetic repertoire. Current deep learning based methods on automatic CS recognition…

Multimedia · Computer Science 2021-06-28 Jianrong Wang , Ziyue Tang , Xuewei Li , Mei Yu , Qiang Fang , Li Liu

Knowledge distillation is widely used as a means of improving the performance of a relatively simple student model using the predictions from a complex teacher model. Several works have shown that distillation significantly boosts the…

Machine Learning · Computer Science 2021-07-09 Michal Lukasik , Srinadh Bhojanapalli , Aditya Krishna Menon , Sanjiv Kumar

Self-supervised speech pre-training enables deep neural network models to capture meaningful and disentangled factors from raw waveform signals. The learned universal speech representations can then be used across numerous downstream tasks.…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-24 Heitor R. Guimarães , Arthur Pimentel , Anderson R. Avila , Mehdi Rezagholizadeh , Boxing Chen , Tiago H. Falk

Spoofing detection systems are typically trained using diverse recordings from multiple speakers, often assuming that the resulting embeddings are independent of speaker identity. However, this assumption remains unverified. In this paper,…

Sound · Computer Science 2026-02-25 Anh-Tuan Dao , Driss Matrouf , Nicholas Evans

This study investigates the explainability of embedding representations, specifically those used in modern audio spoofing detection systems based on deep neural networks, known as spoof embeddings. Building on established work in speaker…

Sound · Computer Science 2024-12-25 Xuechen Liu , Junichi Yamagishi , Md Sahidullah , Tomi kinnunen

This paper presents a novel knowledge distillation method for dialogue sequence labeling. Dialogue sequence labeling is a supervised learning task that estimates labels for each utterance in the target dialogue document, and is useful for…

Computation and Language · Computer Science 2021-11-23 Shota Orihashi , Yoshihiro Yamazaki , Naoki Makishima , Mana Ihori , Akihiko Takashima , Tomohiro Tanaka , Ryo Masumura