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The attention-based encoder-decoder modeling paradigm has achieved promising results on a variety of speech processing tasks like automatic speech recognition (ASR), text-to-speech (TTS) and among others. This paradigm takes advantage of…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-23 Shi-Yan Weng , Berlin Chen

Recent advances in Automatic Speech Recognition (ASR) demonstrated how end-to-end systems are able to achieve state-of-the-art performance. There is a trend towards deeper neural networks, however those ASR models are also more complex and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-22 Ludwig Kürzinger , Edgar Ricardo Chavez Rosas , Lujun Li , Tobias Watzel , Gerhard Rigoll

End-2-end (E2E) models have become increasingly popular in some ASR tasks because of their performance and advantages. These E2E models directly approximate the posterior distribution of tokens given the acoustic inputs. Consequently, the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-30 Jesús Andrés-Ferrer , Dario Albesano , Puming Zhan , Paul Vozila

End-to-end (E2E) systems have shown comparable performance to hybrid systems for automatic speech recognition (ASR). Word timings, as a by-product of ASR, are essential in many applications, especially for subtitling and computer-aided…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-14 Xianzhao Chen , Yist Y. Lin , Kang Wang , Yi He , Zejun Ma

We propose a first step toward multilingual end-to-end automatic speech recognition (ASR) by integrating knowledge about speech articulators. The key idea is to leverage a rich set of fundamental units that can be defined "universally"…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-19 Hao Yen , Sabato Marco Siniscalchi , Chin-Hui Lee

Multilingual end-to-end(E2E) models have shown a great potential in the expansion of the language coverage in the realm of automatic speech recognition(ASR). In this paper, we aim to enhance the multilingual ASR performance in two ways,…

Computation and Language · Computer Science 2021-10-18 Rimita Lahiri , Kenichi Kumatani , Eric Sun , Yao Qian

End-to-end (E2E) automatic speech recognition (ASR) systems lack the distinct language model (LM) component that characterizes traditional speech systems. While this simplifies the model architecture, it complicates the task of…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-26 Cal Peyser , Sepand Mavandadi , Tara N. Sainath , James Apfel , Ruoming Pang , Shankar Kumar

End-to-end (E2E) automatic speech recognition (ASR) systems have revolutionized the field by integrating all components into a single neural network, with attention-based encoder-decoder models achieving state-of-the-art performance.…

Computation and Language · Computer Science 2025-07-01 Duygu Altinok

Training automatic speech recognition (ASR) systems requires large amounts of data in the target language in order to achieve good performance. Whereas large training corpora are readily available for languages like English, there exists a…

Audio and Speech Processing · Electrical Eng. & Systems 2017-11-15 Markus Müller , Sebastian Stüker , Alex Waibel

End-to-end automatic speech recognition (E2E ASR) systems have significantly improved speech recognition through training on extensive datasets. Despite these advancements, they still struggle to accurately recognize domain specific words,…

Computation and Language · Computer Science 2024-07-26 Jiwon Suh , Injae Na , Woohwan Jung

Attention-based encoder-decoder model has achieved impressive results for both automatic speech recognition (ASR) and text-to-speech (TTS) tasks. This approach takes advantage of the memorization capacity of neural networks to learn the…

Computation and Language · Computer Science 2020-03-17 Chengyi Wang , Yu Wu , Yujiao Du , Jinyu Li , Shujie Liu , Liang Lu , Shuo Ren , Guoli Ye , Sheng Zhao , Ming Zhou

We study the problem of word-level confidence estimation in subword-based end-to-end (E2E) models for automatic speech recognition (ASR). Although prior works have proposed training auxiliary confidence models for ASR systems, they do not…

Audio and Speech Processing · Electrical Eng. & Systems 2021-03-12 David Qiu , Qiujia Li , Yanzhang He , Yu Zhang , Bo Li , Liangliang Cao , Rohit Prabhavalkar , Deepti Bhatia , Wei Li , Ke Hu , Tara N. Sainath , Ian McGraw

The attention-based end-to-end (E2E) automatic speech recognition (ASR) architecture allows for joint optimization of acoustic and language models within a single network. However, in a vanilla E2E ASR architecture, the decoder sub-network…

Computation and Language · Computer Science 2019-12-03 Van Tung Pham , Haihua Xu , Yerbolat Khassanov , Zhiping Zeng , Eng Siong Chng , Chongjia Ni , Bin Ma , Haizhou Li

Recently, an end-to-end (E2E) speaker-attributed automatic speech recognition (SA-ASR) model was proposed as a joint model of speaker counting, speech recognition and speaker identification for monaural overlapped speech. It showed…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-12 Naoyuki Kanda , Xuankai Chang , Yashesh Gaur , Xiaofei Wang , Zhong Meng , Zhuo Chen , Takuya Yoshioka

In this paper we propose a novel data augmentation method for attention-based end-to-end automatic speech recognition (E2E-ASR), utilizing a large amount of text which is not paired with speech signals. Inspired by the back-translation…

Computation and Language · Computer Science 2018-07-31 Tomoki Hayashi , Shinji Watanabe , Yu Zhang , Tomoki Toda , Takaaki Hori , Ramon Astudillo , Kazuya Takeda

Although end-to-end (E2E) trainable automatic speech recognition (ASR) has shown great success by jointly learning acoustic and linguistic information, it still suffers from the effect of domain shifts, thus limiting potential applications.…

Audio and Speech Processing · Electrical Eng. & Systems 2023-08-28 Keqi Deng , Philip C. Woodland

Humans are capable of processing speech by making use of multiple sensory modalities. For example, the environment where a conversation takes place generally provides semantic and/or acoustic context that helps us to resolve ambiguities or…

Computation and Language · Computer Science 2019-02-21 Ozan Caglayan , Ramon Sanabria , Shruti Palaskar , Loïc Barrault , Florian Metze

This paper proposes a model for transforming speech features using the frequency-directional attention model for End-to-End (E2E) automatic speech recognition. The idea is based on the hypothesis that in the phoneme system of each language,…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-30 Akihiro Dobashi , Chee Siang Leow , Hiromitsu Nishizaki

Confidence estimation, in which we estimate the reliability of each recognized token (e.g., word, sub-word, and character) in automatic speech recognition (ASR) hypotheses and detect incorrectly recognized tokens, is an important function…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-25 Atsunori Ogawa , Naohiro Tawara , Takatomo Kano , Marc Delcroix

Performance degradation of an Automatic Speech Recognition (ASR) system is commonly observed when the test acoustic condition is different from training. Hence, it is essential to make ASR systems robust against various environmental…

Sound · Computer Science 2021-02-08 Ruizhi Li , Gregory Sell , Hynek Hermansky