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Through end-to-end training to predict the next token, LLMs have become valuable tools for various tasks. Enhancing their core training in language modeling can improve numerous downstream applications. A successful approach to enhance…

Computation and Language · Computer Science 2024-10-17 Nathan Cornille , Florian Mai , Jingyuan Sun , Marie-Francine Moens

Connectionist temporal classification (CTC) models are known to have peaky output distributions. Such behavior is not a problem for automatic speech recognition (ASR), but it can cause inaccurate forced alignments (FA), especially at finer…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-22 Ruizhe Huang , Xiaohui Zhang , Zhaoheng Ni , Li Sun , Moto Hira , Jeff Hwang , Vimal Manohar , Vineel Pratap , Matthew Wiesner , Shinji Watanabe , Daniel Povey , Sanjeev Khudanpur

This paper advances the design of CTC-based all-neural (or end-to-end) speech recognizers. We propose a novel symbol inventory, and a novel iterated-CTC method in which a second system is used to transform a noisy initial output into a…

Computation and Language · Computer Science 2022-02-24 G. Zweig , C. Yu , J. Droppo , A. Stolcke

The recent explosion in work on neural topic modeling has been criticized for optimizing automated topic evaluation metrics at the expense of actual meaningful topic identification. But human annotation remains expensive and time-consuming.…

Computation and Language · Computer Science 2023-05-25 Hamed Rahimi , Jacob Louis Hoover , David Mimno , Hubert Naacke , Camelia Constantin , Bernd Amann

Deep neural networks are prone to overfitting noisy labels, resulting in poor generalization performance. To overcome this problem, we present a simple and effective method self-ensemble label correction (SELC) to progressively correct…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Yangdi Lu , Wenbo He

In this work, we learn a shared encoding representation for a multi-task neural network model optimized with connectionist temporal classification (CTC) and conventional framewise cross-entropy training criteria. Our experiments show that…

Audio and Speech Processing · Electrical Eng. & Systems 2019-04-04 Thai-Son Nguyen , Sebastian Stueker , Alex Waibel

For real-world deployment of automatic speech recognition (ASR), the system is desired to be capable of fast inference while relieving the requirement of computational resources. The recently proposed end-to-end ASR system based on…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-17 Yosuke Higuchi , Hirofumi Inaguma , Shinji Watanabe , Tetsuji Ogawa , Tetsunori Kobayashi

The success of retrieval-augmented language models in various natural language processing (NLP) tasks has been constrained in automatic speech recognition (ASR) applications due to challenges in constructing fine-grained audio-text…

Sound · Computer Science 2024-02-06 Jiaming Zhou , Shiwan Zhao , Yaqi Liu , Wenjia Zeng , Yong Chen , Yong Qin

The gap between speech and text modalities is a major challenge in speech-to-text translation (ST). Different methods have been proposed to reduce this gap, but most of them require architectural changes in ST training. In this work, we…

Computation and Language · Computer Science 2023-06-06 Phuong-Hang Le , Hongyu Gong , Changhan Wang , Juan Pino , Benjamin Lecouteux , Didier Schwab

This paper integrates a voice activity detection (VAD) function with end-to-end automatic speech recognition toward an online speech interface and transcribing very long audio recordings. We focus on connectionist temporal classification…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-16 Takenori Yoshimura , Tomoki Hayashi , Kazuya Takeda , Shinji Watanabe

This paper addresses image classification through learning a compact and discriminative dictionary efficiently. Given a structured dictionary with each atom (columns in the dictionary matrix) related to some label, we propose cross-label…

Machine Learning · Computer Science 2017-08-02 Xiudong Wang , Yuantao Gu

The paper investigates the feasibility of confidence estimation for neural machine translation models operating at the high end of the performance spectrum. As a side product of the data annotation process necessary for building such models…

Computation and Language · Computer Science 2020-10-28 Ciprian Chelba , Junpei Zhou , Yuezhang , Li , Hideto Kazawa , Jeff Klingner , Mengmeng Niu

A good supervised embedding for a specific machine learning task is only sensitive to changes in the label of interest and is invariant to other confounding factors. We leverage the concept of repeatability from measurement theory to…

Sound · Computer Science 2023-10-27 Jianwei Zhang , Suren Jayasuriya , Visar Berisha

Recent information extraction approaches have relied on training deep neural models. However, such models can easily overfit noisy labels and suffer from performance degradation. While it is very costly to filter noisy labels in large…

Computation and Language · Computer Science 2022-01-24 Wenxuan Zhou , Muhao Chen

Large language models (LLMs) are powerful zero- and few-shot learners. However, when predicting over a set of candidate options, LLMs suffer from label biases, and existing calibration methods overlook biases arising from multi-token class…

Computation and Language · Computer Science 2025-11-19 Mario Sanz-Guerrero , Katharina von der Wense

Transformer-based document cross-encoder rerankers are a central component of modern information retrieval systems. Despite their success, these models suffer from high computational costs due to processing long query-document sequences at…

Information Retrieval · Computer Science 2026-05-22 Shengyao Zhuang , Zhichao Xu , Ivano Lauriola

With the emergence of neural audio codecs, which encode multiple streams of discrete tokens from audio, large language models have recently gained attention as a promising approach for zero-shot Text-to-Speech (TTS) synthesis. Despite the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-04-04 Jaehyeon Kim , Keon Lee , Seungjun Chung , Jaewoong Cho

Recently, the advance in deep learning has brought a considerable improvement in the end-to-end speech recognition field, simplifying the traditional pipeline while producing promising results. Among the end-to-end models, the connectionist…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-29 Ji Won Yoon , Beom Jun Woo , Sunghwan Ahn , Hyeonseung Lee , Nam Soo Kim

Label smoothing is a regularization technique for neural networks. Normally neural models are trained to an output distribution that is a vector with a single 1 for the correct prediction, and 0 for all other elements. Label smoothing…

Software Engineering · Computer Science 2023-03-29 Sakib Haque , Aakash Bansal , Collin McMillan

We present a simple and efficient auxiliary loss function for automatic speech recognition (ASR) based on the connectionist temporal classification (CTC) objective. The proposed objective, an intermediate CTC loss, is attached to an…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-08 Jaesong Lee , Shinji Watanabe