English
Related papers

Related papers: Real Additive Margin Softmax for Speaker Verificat…

200 papers

In many applications, the training data, from which one needs to learn a classifier, is corrupted with label noise. Many standard algorithms such as SVM perform poorly in presence of label noise. In this paper we investigate the robustness…

Machine Learning · Computer Science 2015-09-11 Aritra Ghosh , Naresh Manwani , P. S. Sastry

Growing interest in automatic speaker verification (ASV)systems has lead to significant quality improvement of spoofing attackson them. Many research works confirm that despite the low equal er-ror rate (EER) ASV systems are still…

Sound · Computer Science 2017-05-25 Galina Lavrentyeva , Sergey Novoselov , Konstantin Simonchik

For the speaker-controlled spoken language identification task proposed in the TidyLang Challenge 2026, this paper proposes a language identification method based on pre-trained models and margin-based losses. The proposed method adopts a…

Sound · Computer Science 2026-05-05 Zhihua Fang , Liang He , Weiwu Jiang

In this paper, we describe recent performance improvements to the production Marchex speech recognition system for our spontaneous customer-to-business telephone conversations. In our previous work, we focused on in-domain language and…

Computation and Language · Computer Science 2019-05-03 Seongjun Hahm , Iroro Orife , Shane Walker , Jason Flaks

Spoofing attacks posed by generating artificial speech can severely degrade the performance of a speaker verification system. Recently, many anti-spoofing countermeasures have been proposed for detecting varying types of attacks from…

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-08 Yuanjun Zhao , Roberto Togneri , Victor Sreeram

Despite rapid advancement in recent years, current speech enhancement models often produce speech that differs in perceptual quality from real clean speech. We propose a learning objective that formalizes differences in perceptual quality,…

Deep models, while being extremely versatile and accurate, are vulnerable to adversarial attacks: slight perturbations that are imperceptible to humans can completely flip the prediction of deep models. Many attack and defense mechanisms…

Machine Learning · Computer Science 2019-07-30 Kaiwen Wu , Yaoliang Yu

Pretraining large language models (LLMs) with next-token prediction has led to remarkable advances, yet the context-dependent nature of token embeddings in such models results in high intra-class variance and inter-class similarity, thus…

Computation and Language · Computer Science 2026-05-12 Yan Sun , Guoxia Wang , Jinle Zeng , JiaBin Yang , Shuai Li , Li Shen , Dacheng Tao , DianHai Yu , Haifeng Wang

Margin-based losses, especially one-class classification loss, have improved the generalization capabilities of countermeasure systems (CMs), but their reliability is not tested with spoofing attacks degraded with channel variation. Our…

Machine Learning · Computer Science 2022-06-28 Rohit Arora , Anmol Arora , Rohit Singh Rathore

Although neural machine translation (NMT) has achieved impressive progress recently, it is usually trained on the clean parallel data set and hence cannot work well when the input sentence is the production of the automatic speech…

Computation and Language · Computer Science 2018-11-05 Xiang Li , Haiyang Xue , Wei Chen , Yang Liu , Yang Feng , Qun Liu

Speaker verification is to judge the similarity between two unknown voices in an open set, where the ideal speaker embedding should be able to condense discriminant information into a compact utterance-level representation that has small…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-10 Hongyu Wang , Hui Li , Bo Li

Deep learning technology has been widely applied to speech enhancement. While testing the effectiveness of various network structures, researchers are also exploring the improvement of the loss function used in network training. Although…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-25 Tianrui Wang , Weibin Zhu

Many speech enhancement methods try to learn the relationship between noisy and clean speech, obtained using an acoustic room simulator. We point out several limitations of enhancement methods relying on clean speech targets; the goal of…

Computation and Language · Computer Science 2018-12-26 Geonmin Kim , Hwaran Lee , Bo-Kyeong Kim , Sang-Hoon Oh , Soo-Young Lee

Despite the significant improvements in speaker recognition enabled by deep neural networks, unsatisfactory performance persists under noisy environments. In this paper, we train the speaker embedding network to learn the "clean" embedding…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-14 Danwei Cai , Weicheng Cai , Ming Li

Recent speech enhancement (SE) models increasingly leverage self-supervised learning (SSL) representations for their rich semantic information. Typically, intermediate features are aggregated into a single representation via a lightweight…

Sound · Computer Science 2026-02-02 Seungu Han , Sungho Lee , Kyogu Lee

Target speech extraction is a technique to extract the target speaker's voice from mixture signals using a pre-recorded enrollment utterance that characterize the voice characteristics of the target speaker. One major difficulty of target…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-17 Hiroshi Sato , Tsubasa Ochiai , Marc Delcroix , Keisuke Kinoshita , Takafumi Moriya , Naoki Makishima , Mana Ihori , Tomohiro Tanaka , Ryo Masumura

Self-supervised learning (SSL) has made significant advances in speech representation learning. Models like wav2vec 2.0 and HuBERT have achieved state-of-the-art results in tasks such as speech recognition, particularly in monolingual…

Computation and Language · Computer Science 2025-09-23 María Andrea Cruz Blandón , Zakaria Aldeneh , Jie Chi , Maureen de Seyssel

The success of automatic speaker verification shows that discriminative speaker representations can be extracted from neutral speech. However, as a kind of non-verbal voice, laughter should also carry speaker information intuitively. Thus,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-21 Yuke Lin , Xiaoyi Qin , Huahua Cui , Zhenyi Zhu , Ming Li

Softmax is widely used in neural networks for multiclass classification, gate structure and attention mechanisms. The statistical assumption that the input is normal distributed supports the gradient stability of Softmax. However, when used…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Shulun Wang , Bin Liu , Feng Liu

We propose a method for improving adversarial robustness by addition of a new bounded function just before softmax. Recent studies hypothesize that small logits (inputs of softmax) by logit regularization can improve adversarial robustness…

Machine Learning · Statistics 2020-10-07 Sekitoshi Kanai , Masanori Yamada , Shin'ya Yamaguchi , Hiroshi Takahashi , Yasutoshi Ida