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Related papers: VoxRAG: A Step Toward Transcription-Free RAG Syste…

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One common approach for question answering over speech data is to first transcribe speech using automatic speech recognition (ASR) and then employ text-based retrieval-augmented generation (RAG) on the transcriptions. While this cascaded…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-06 Do June Min , Karel Mundnich , Andy Lapastora , Erfan Soltanmohammadi , Srikanth Ronanki , Kyu Han

Retrieval Augmented Generation (RAG) has gained widespread adoption owing to its capacity to empower large language models (LLMs) to integrate external knowledge. However, existing RAG frameworks are primarily designed for text-based LLMs…

Sound · Computer Science 2025-02-21 Yifu Chen , Shengpeng Ji , Haoxiao Wang , Ziqing Wang , Siyu Chen , Jinzheng He , Jin Xu , Zhou Zhao

Retrieval-augmented generation (RAG) has proven highly effective in improving large language models (LLMs) across various domains. However, there is no benchmark specifically designed to assess the effectiveness of RAG in the legal domain,…

Computation and Language · Computer Science 2025-03-03 Haitao Li , Yifan Chen , Yiran Hu , Qingyao Ai , Junjie Chen , Xiaoyu Yang , Jianhui Yang , Yueyue Wu , Zeyang Liu , Yiqun Liu

Speech-to-speech language models have recently emerged to enhance the naturalness of conversational AI. In particular, full-duplex models are distinguished by their real-time interactivity, including handling of pauses, interruptions, and…

Computation and Language · Computer Science 2026-05-13 Chung-Ming Chien , Manu Orsini , Eugene Kharitonov , Neil Zeghidour , Karen Livescu , Alexandre Défossez

Retrieval-augmented generation (RAG) synergizes the retrieval of pertinent data with the generative capabilities of Large Language Models (LLMs), ensuring that the generated output is not only contextually relevant but also accurate and…

Retrieval-Augmented Generation (RAG) has emerged as a powerful paradigm for enhancing the capabilities of large language models. However, existing RAG evaluation predominantly focuses on text retrieval and relies on opaque, end-to-end…

Information Retrieval · Computer Science 2025-05-19 Chuan Xu , Qiaosheng Chen , Yutong Feng , Gong Cheng

This paper introduces xRAG, an innovative context compression method tailored for retrieval-augmented generation. xRAG reinterprets document embeddings in dense retrieval--traditionally used solely for retrieval--as features from the…

Computation and Language · Computer Science 2024-12-10 Xin Cheng , Xun Wang , Xingxing Zhang , Tao Ge , Si-Qing Chen , Furu Wei , Huishuai Zhang , Dongyan Zhao

Open-vocabulary segmentation models such as SAM3 perform well across broad categories via text prompting, yet degrade when target classes are visually underrepresented in pretraining or depart from canonical depictions-limitations text…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Abderrahmene Boudiaf , Irfan Hussain , Sajid Javed

We propose XRAG, a novel benchmark designed to evaluate the generation abilities of LLMs in cross-lingual Retrieval-Augmented Generation (RAG) settings where the user language does not match the retrieval results. XRAG is constructed from…

Computation and Language · Computer Science 2025-05-16 Wei Liu , Sony Trenous , Leonardo F. R. Ribeiro , Bill Byrne , Felix Hieber

Retrieval-Augmented Generation (RAG) systems traditionally treat retrieval and generation as separate processes, requiring explicit textual queries to connect them. This separation can limit the ability of models to generalize across…

Computation and Language · Computer Science 2025-09-19 Wenzheng Zhang , Xi Victoria Lin , Karl Stratos , Wen-tau Yih , Mingda Chen

Recent advancements in integrating speech information into large language models (LLMs) have significantly improved automatic speech recognition (ASR) accuracy. However, existing methods often constrained by the capabilities of the speech…

Sound · Computer Science 2024-09-16 Shaojun Li , Hengchao Shang , Daimeng Wei , Jiaxin Guo , Zongyao Li , Xianghui He , Min Zhang , Hao Yang

Document images encapsulate a wealth of knowledge, while the portability of spoken queries enables broader and flexible application scenarios. Yet, no prior work has explored knowledge base question answering over visual document images…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Peijin Xie , Shun Qian , Bingquan Liu , Dexin Wang , Lin Sun , Xiangzheng Zhang

We propose a general feedback-driven retrieval-augmented generation (RAG) approach that leverages Large Audio Language Models (LALMs) to address the missing or imperfect synthesis of specific sound events in text-to-audio (TTA) generation.…

Sound · Computer Science 2026-02-18 Junqi Zhao , Chenxing Li , Jinzheng Zhao , Rilin Chen , Dong Yu , Mark D. Plumbley , Wenwu Wang

Applying speech super-resolution (SR) to recordings with severely low sampling rates is a critical challenge in digital archiving and investigative audio recovery. In these scenarios, the input lacks essential acoustic cues. Consequently,…

Sound · Computer Science 2025-12-19 Jiajun Yuan , Xiaochen Wang , Yuhang Xiao , Yulin Wu , Chenhao Hu , Xueyang Lv

This paper introduces WaveGrad 2, a non-autoregressive generative model for text-to-speech synthesis. WaveGrad 2 is trained to estimate the gradient of the log conditional density of the waveform given a phoneme sequence. The model takes an…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-22 Nanxin Chen , Yu Zhang , Heiga Zen , Ron J. Weiss , Mohammad Norouzi , Najim Dehak , William Chan

Retrieval Augmented Generation (RAG) has become the standard approach for equipping Large Language Models (LLMs) with up-to-date knowledge. However, standard RAG, relying on independent passage retrieval, often fails to capture the…

Computation and Language · Computer Science 2025-11-20 Jingjin Wang , Jiawei Han

We present a comprehensive study of answer quality evaluation in Retrieval-Augmented Generation (RAG) applications using vRAG-Eval, a novel grading system that is designed to assess correctness, completeness, and honesty. We further map the…

Computation and Language · Computer Science 2024-11-08 Yang Wang , Alberto Garcia Hernandez , Roman Kyslyi , Nicholas Kersting

Conversational question answering increasingly relies on retrieval-augmented generation (RAG) to ground large language models (LLMs) in external knowledge. Yet, most existing studies evaluate RAG methods in isolation and primarily focus on…

Computation and Language · Computer Science 2026-02-11 Klejda Alushi , Jan Strich , Chris Biemann , Martin Semmann

Retrieval-Augmented Generation (RAG) systems fail when documents evolve through versioning-a ubiquitous characteristic of technical documentation. Existing approaches achieve only 58-64% accuracy on version-sensitive questions, retrieving…

Information Retrieval · Computer Science 2025-10-10 Daniel Huwiler , Kurt Stockinger , Jonathan Fürst

End-to-end speech-to-speech (S2S) dialogue systems have recently garnered increasing research attention for their lower latency and more natural integration of nonverbal cues such as emotion and speaker identity. However, these systems face…

Computation and Language · Computer Science 2025-11-12 Pengchao Feng , Ziyang Ma , Wenxi Chen , Yao Li , Sheng Wang , Kai Yu , Xie Chen
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