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Recent audio LLMs have emerged rapidly, demonstrating strong generalization across various speech tasks. However, given the inherent complexity of speech signals, these models inevitably suffer from performance degradation in specific…

Sound · Computer Science 2025-07-29 Shaowen Wang , Xinyuan Chen , Yao Xu

This paper introduces the integration of language-specific bi-directional context into a speech large language model (SLLM) to improve multilingual continuous conversational automatic speech recognition (ASR). We propose a character-level…

Computation and Language · Computer Science 2025-07-08 Yizhou Peng , Hexin Liu , Eng Siong Chng

Large language models (LLMs) have recently demonstrated state-of-the-art performance across various natural language processing (NLP) tasks, achieving near-human levels in multiple language understanding challenges and aligning closely with…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Zhenyi Wang , Li Zou , Shengyun Wei , Kai Li , Feifan Liao , Haibo Mi , Rongxuan Lai

Over the past few years, self-supervised learned speech representations have emerged as fruitful replacements for conventional surface representations when solving Spoken Language Understanding (SLU) tasks. Simultaneously, multilingual…

Computation and Language · Computer Science 2024-06-19 Gaëlle Laperrière , Ha Nguyen , Sahar Ghannay , Bassam Jabaian , Yannick Estève

We propose a novel approach to semi-supervised automatic speech recognition (ASR). We first exploit a large amount of unlabeled audio data via representation learning, where we reconstruct a temporal slice of filterbank features from past…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-15 Shaoshi Ling , Yuzong Liu , Julian Salazar , Katrin Kirchhoff

Much recent work on Spoken Language Understanding (SLU) is limited in at least one of three ways: models were trained on oracle text input and neglected ASR errors, models were trained to predict only intents without the slot values, or…

Computation and Language · Computer Science 2020-10-28 Cheng-I Lai , Yung-Sung Chuang , Hung-Yi Lee , Shang-Wen Li , James Glass

Employing pre-trained language models (LM) to extract contextualized word representations has achieved state-of-the-art performance on various NLP tasks. However, applying this technique to noisy transcripts generated by automatic speech…

Computation and Language · Computer Science 2020-11-03 Chao-Wei Huang , Yun-Nung Chen

While supervised quality predictors for synthesized speech have demonstrated strong correlations with human ratings, their requirement for in-domain labeled training data hinders their generalization ability to new domains. Unsupervised…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-08 Erica Cooper , Takuma Okamoto , Yamato Ohtani , Tomoki Toda , Hisashi Kawai

Despite having hundreds of millions of speakers, Chinese dialects lag behind Mandarin in speech and language technologies. Most varieties are primarily spoken, making dialect-to-Mandarin speech-LLMs (large language models) more practical…

Computation and Language · Computer Science 2026-01-13 Kalvin Chang , Yiwen Shao , Jiahong Li , Dong Yu

Audio-LLM introduces audio modality into a large language model (LLM) to enable a powerful LLM to recognize, understand, and generate audio. However, during speech recognition in noisy environments, we observed the presence of illusions and…

Sound · Computer Science 2024-08-20 Yangze Li , Xiong Wang , Songjun Cao , Yike Zhang , Long Ma , Lei Xie

Self-supervised learning (SSL) has been able to leverage unlabeled data to boost the performance of automatic speech recognition (ASR) models when we have access to only a small amount of transcribed speech data. However, this raises the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-06 Reem Gody , David Harwath

Connecting audio encoders with large language models (LLMs) allows the LLM to perform various audio understanding tasks, such as automatic speech recognition (ASR) and audio captioning (AC). Most research focuses on training an adapter…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-22 Weiqiao Shan , Yuang Li , Yuhao Zhang , Yingfeng Luo , Chen Xu , Xiaofeng Zhao , Long Meng , Yunfei Lu , Min Zhang , Hao Yang , Tong Xiao , Jingbo Zhu

Although state-of-the-art Speech Foundational Models can produce high-quality text pseudo-labels, applying Semi-Supervised Learning (SSL) for in-the-wild real-world data remains challenging due to its richer and more complex acoustics…

Computation and Language · Computer Science 2026-03-16 Wen Ding , Fan Qian

The transcription quality of automatic speech recognition (ASR) systems degrades significantly when transcribing audios coming from unseen domains. We propose an unsupervised error correction method for unsupervised ASR domain adaption,…

Sound · Computer Science 2022-09-27 Long Mai , Julie Carson-Berndsen

Automatic speech recognition (ASR) is a core component of human--computer interaction and an increasingly important front-end for LLM-based assistants and agents. However, most current ASR systems still follow a single-pass paradigm, which…

Artificial Intelligence · Computer Science 2026-05-29 Zixuan Jiang , Yanqiao Zhu , Peng Wang , Qinyuan Chen , Xinjian Zhao , Xipeng Qiu , Wupeng Wang , Zhifu Gao , Xiangang Li , Kai Yu , Xie Chen

Speaker-Attributed Automatic Speech Recognition (SAA) enhances traditional ASR systems by incorporating relative speaker identity tags directly into the transcript (e.g., [Speaker 1]:, [Speaker 2]:). In this work, we extend the capabilities…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-14 Hagai Aronowitz , Zvi Kons , Avihu Dekel , George Saon , Ron Hoory

Spoken semantic parsing (SSP) involves generating machine-comprehensible parses from input speech. Training robust models for existing application domains represented in training data or extending to new domains requires corresponding…

Computation and Language · Computer Science 2023-09-19 Roshan Sharma , Suyoun Kim , Daniel Lazar , Trang Le , Akshat Shrivastava , Kwanghoon Ahn , Piyush Kansal , Leda Sari , Ozlem Kalinli , Michael Seltzer

Automatic Speech Recognition (ASR) is traditionally evaluated using Word Error Rate (WER), a metric that is insensitive to meaning. Embedding-based semantic metrics are better correlated with human perception, but decoder-based Large…

Automatic Speech Recognition (ASR) plays a crucial role in human-machine interaction and serves as an interface for a wide range of applications. Traditionally, ASR performance has been evaluated using Word Error Rate (WER), a metric that…

Audio and Speech Processing · Electrical Eng. & Systems 2025-07-23 Sujith Pulikodan , Sahapthan K , Prasanta Kumar Ghosh , Visruth Sanka , Nihar Desai

Large language model (LLM)-based automatic speech recognition (ASR) achieves strong performance but often incurs high computational costs. This work investigates how to obtain the best LLM-ASR performance efficiently. Through comprehensive…

Sound · Computer Science 2025-08-07 Bingshen Mu , Yiwen Shao , Kun Wei , Dong Yu , Lei Xie