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In recent years, large-scale language models (LLMs) have gained attention for their impressive text generation capabilities. However, these models often face the challenge of "hallucination," which undermines their reliability. In this…

Computation and Language · Computer Science 2023-10-10 Yuchen Yang , Houqiang Li , Yanfeng Wang , Yu Wang

With excellent generalization ability, self-supervised speech models have shown impressive performance on various downstream speech tasks in the pre-training and fine-tuning paradigm. However, as the growing size of pre-trained models,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-04 Mufan Sang , John H. L. Hansen

Speaker embedding has been a fundamental feature for speaker-related tasks such as verification, clustering, and diarization. Traditionally, speaker embeddings are represented as fixed vectors in high-dimensional space. This could lead to…

Sound · Computer Science 2022-06-28 Siqi Zheng , Hongbin Suo , Qian Chen

The x-vector architecture has recently achieved state-of-the-art results on the speaker verification task. This architecture incorporates a central layer, referred to as temporal pooling, which stacks statistical parameters of the acoustic…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-11 Mickael Rouvier , Pierre-Michel Bousquet , Jarod Duret

Neural network-based speaker recognition has achieved significant improvement in recent years. A robust speaker representation learns meaningful knowledge from both hard and easy samples in the training set to achieve good performance.…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-31 Ruijie Tao , Kong Aik Lee , Zhan Shi , Haizhou Li

We leverage different context windows when predicting the emotion of different utterances. New modules are included to realize variable-length context: 1) two speaker-aware units, which explicitly model inner- and inter-speaker dependencies…

Computation and Language · Computer Science 2023-02-14 Xiaochen Zhang , Daniel Tang

For the task of conversation emotion recognition, recent works focus on speaker relationship modeling but ignore the role of utterance's emotional tendency.In this paper, we propose a new expression paradigm of sentence-level emotion…

Computation and Language · Computer Science 2021-12-23 Zaijing Li , Fengxiao Tang , Tieyu Sun , Yusen Zhu , Ming Zhao

Speech modeling methods learn one embedding for a fixed segment of speech, typically in between 10-25 ms. The information present in speech can be divided into two categories: "what is being said" (content) and "how it is expressed" (other)…

Computation and Language · Computer Science 2025-03-04 Hemant Yadav , Sunayana Sitaram , Rajiv Ratn Shah

Emotional state of a speaker is found to have significant effect in speech production, which can deviate speech from that arising from neutral state. This makes identifying speakers with different emotions a challenging task as generally…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-09 Biswajit Dev Sarma , Rohan Kumar Das

In recent years, speaker recognition systems based on raw waveform inputs have received increasing attention. However, the performance of such systems are typically inferior to the state-of-the-art handcrafted feature-based counterparts,…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-30 Jee-weon Jung , You Jin Kim , Hee-Soo Heo , Bong-Jin Lee , Youngki Kwon , Joon Son Chung

Text-dependent speaker verification is becoming popular in the speaker recognition society. However, the conventional i-vector framework which has been successful for speaker identification and other similar tasks works relatively poorly in…

Sound · Computer Science 2017-09-12 Yi Liu , Liang He , Yao Tian , Zhuzi Chen , Jia Liu , Michael T. Johnson

In this study, we present an approach to train a single speech enhancement network that can perform both personalized and non-personalized speech enhancement. This is achieved by incorporating a frame-wise conditioning input that specifies…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-24 Zhepei Wang , Ritwik Giri , Devansh Shah , Jean-Marc Valin , Michael M. Goodwin , Paris Smaragdis

Predictive uncertainty-a model's self awareness regarding its accuracy on an input-is key for both building robust models via training interventions and for test-time applications such as selective classification. We propose a novel…

Machine Learning · Computer Science 2024-01-04 Nishant Jain , Karthikeyan Shanmugam , Pradeep Shenoy

Audio-visual speech recognition (AVSR) aims to transcribe human speech using both audio and video modalities. In practical environments with noise-corrupted audio, the role of video information becomes crucial. However, prior works have…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-15 Sungnyun Kim , Kangwook Jang , Sangmin Bae , Hoirin Kim , Se-Young Yun

Spoken language understanding (SLU) is an essential component in conversational systems. Most SLU component treats each utterance independently, and then the following components aggregate the multi-turn information in the separate phases.…

Computation and Language · Computer Science 2017-12-12 Po-Chun Chen , Ta-Chung Chi , Shang-Yu Su , Yun-Nung Chen

This paper addresses the robust speech recognition problem as an adaptation task. Specifically, we investigate the cumulative application of adaptation methods. A bidirectional Long Short-Term Memory (BLSTM) based neural network, capable of…

Computation and Language · Computer Science 2019-06-17 Markus Kitza , Pavel Golik , Ralf Schlüter , Hermann Ney

Speech emotion recognition predicts a speaker's emotional state from speech signals using discrete labels or continuous dimensions such as arousal, valence, and dominance (VAD). We propose EmoSphere-SER, a joint model that integrates…

Sound · Computer Science 2025-10-20 Deok-Hyeon Cho , Hyung-Seok Oh , Seung-Bin Kim , Seong-Whan Lee

In this paper, we propose an effective training strategy to ex-tract robust speaker representations from a speech signal. Oneof the key challenges in speaker recognition tasks is to learnlatent representations or embeddings containing…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-05 Yoohwan Kwon , Soo-Whan Chung , Hong-Goo Kang

The performance of speaker-related systems usually degrades heavily in practical applications largely due to the presence of background noise. To improve the robustness of such systems in unknown noisy environments, this paper proposes a…

Sound · Computer Science 2018-05-04 Siyang Song , Shuimei Zhang , Björn Schuller , Linlin Shen , Michel Valstar

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,…