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Related papers: FlowW2N: Whispered-to-Normal Speech Conversion via…

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Direct acoustics-to-word (A2W) models in the end-to-end paradigm have received increasing attention compared to conventional sub-word based automatic speech recognition models using phones, characters, or context-dependent hidden Markov…

Computation and Language · Computer Science 2017-12-11 Kartik Audhkhasi , Brian Kingsbury , Bhuvana Ramabhadran , George Saon , Michael Picheny

Whispering is an important mode of human speech, but no end-to-end recognition results for it were reported yet, probably due to the scarcity of available whispered speech data. In this paper, we present several approaches for end-to-end…

Computation and Language · Computer Science 2020-11-10 Heng-Jui Chang , Alexander H. Liu , Hung-yi Lee , Lin-shan Lee

In this paper, we propose an open source, production first, and production ready speech recognition toolkit called WeNet in which a new two-pass approach is implemented to unify streaming and non-streaming end-to-end (E2E) speech…

Sound · Computer Science 2021-12-30 Zhuoyuan Yao , Di Wu , Xiong Wang , Binbin Zhang , Fan Yu , Chao Yang , Zhendong Peng , Xiaoyu Chen , Lei Xie , Xin Lei

Speech foundation models, such as OpenAI's Whisper, become the state of the art in speech understanding due to their strong accuracy and generalizability. Yet, their applications are mostly limited to processing pre-recorded speech, whereas…

Sound · Computer Science 2025-04-23 Rongxiang Wang , Zhiming Xu , Felix Xiaozhu Lin

Automatic transcription of stuttered speech remains a challenge, even for modern end-to-end (E2E) automatic speech recognition (ASR) frameworks. Dysfluencies and fluency-shaping artifacts are often overlooked, resulting in non-verbatim…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-03 Kashaf Gulzar , Dominik Wagner , Sebastian P. Bayerl , Florian Hönig , Tobias Bocklet , Korbinian Riedhammer

Automatic Speech Recognition (ASR) transcripts exhibit recognition errors and various spoken language phenomena such as disfluencies, ungrammatical sentences, and incomplete sentences, hence suffering from poor readability. To improve…

Computation and Language · Computer Science 2025-01-27 Jiaqing Liu , Chong Deng , Qinglin Zhang , Shilin Zhou , Qian Chen , Hai Yu , Wen Wang

Diffusion probabilistic models have shown impressive performance for speech enhancement, but they typically require 25 to 60 function evaluations in the inference phase, resulting in heavy computational complexity. Recently, a fine-tuning…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-12 Seonggyu Lee , Sein Cheong , Sangwook Han , Jong Won Shin

In embedding-matching acoustic-to-word (A2W) ASR, every word in the vocabulary is represented by a fixed-dimension embedding vector that can be added or removed independently of the rest of the system. The approach is potentially an elegant…

Audio and Speech Processing · Electrical Eng. & Systems 2023-02-21 Hao Yen , Woojay Jeon

This paper proposes a general enhancement to the Normalizing Flows (NF) used in neural vocoding. As a case study, we improve expressive speech vocoding with a revamped Parallel Wavenet (PW). Specifically, we propose to extend the affine…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-17 Adam Gabryś , Yunlong Jiao , Viacheslav Klimkov , Daniel Korzekwa , Roberto Barra-Chicote

Pretrained automatic speech recognition (ASR) models such as Whisper perform well but still need domain adaptation to handle unseen parlance. In many real-world settings, collecting speech data is impractical, necessitating text-only…

Computation and Language · Computer Science 2026-05-26 Akshat Pandey , Karun Kumar , Raphael Tang

Speech-to-SQL (S2SQL) aims to convert spoken questions into SQL queries given relational databases, which has been traditionally implemented in a cascaded manner while facing the following challenges: 1) model training is faced with the…

Computation and Language · Computer Science 2023-05-23 Huadai Liu , Rongjie Huang , Jinzheng He , Gang Sun , Ran Shen , Xize Cheng , Zhou Zhao

Spoken language understanding (SLU) system usually consists of various pipeline components, where each component heavily relies on the results of its upstream ones. For example, Intent detection (ID), and slot filling (SF) require its…

Computation and Language · Computer Science 2021-04-14 Di Wu , Yiren Chen , Liang Ding , Dacheng Tao

Whispered speech is produced when the vocal folds are not used, either intentionally, or due to a temporary or permanent voice condition. The essential difference between natural speech and whispered speech is that periodic signal…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-10 Aníbal J. S. Ferreira , Luis M. T. Jesus , Laurentino M. M. Leal , Jorge E. F. Spratley

OpenAI Whisper is a family of robust Automatic Speech Recognition (ASR) models trained on 680,000 hours of audio. However, its encoder-decoder architecture, trained with a sequence-to-sequence objective, lacks native support for streaming…

Acoustic-to-word (A2W) models that allow direct mapping from acoustic signals to word sequences are an appealing approach to end-to-end automatic speech recognition due to their simplicity. However, prior works have shown that modelling A2W…

Audio and Speech Processing · Electrical Eng. & Systems 2019-05-17 Thai-Son Nguyen , Sebastian Stueker , Alex Waibel

This paper introduces a cross-lingual dubbing system that translates speech from one language to another while preserving key characteristics such as duration, speaker identity, and speaking speed. Despite the strong translation quality of…

Computation and Language · Computer Science 2025-12-30 Jeongsoo Choi , Jaehun Kim , Joon Son Chung

Generating spoken dialogue is inherently more complex than monologue text-to-speech (TTS), as it demands both realistic turn-taking and the maintenance of distinct speaker timbres. While existing autoregressive (AR) models have made…

Audio and Speech Processing · Electrical Eng. & Systems 2026-04-15 Han Zhu , Wei Kang , Liyong Guo , Zengwei Yao , Fangjun Kuang , Weiji Zhuang , Zhaoqing Li , Zhifeng Han , Dong Zhang , Xin Zhang , Xingchen Song , Lingxuan Ye , Long Lin , Daniel Povey

End-to-end (E2E) automatic speech recognition models like Recurrent Neural Networks Transducer (RNN-T) are becoming a popular choice for streaming ASR applications like voice assistants. While E2E models are very effective at learning…

Computation and Language · Computer Science 2022-01-12 Chhavi Choudhury , Ankur Gandhe , Xiaohan Ding , Ivan Bulyko

Foundational language models show a remarkable ability to learn new concepts during inference via context data. However, similar work for images lag behind. To address this challenge, we introduce FLoWN, a flow matching model that learns to…

Machine Learning · Computer Science 2025-04-22 Daniel Saragih , Deyu Cao , Tejas Balaji , Ashwin Santhosh

Recently, we made available WeNet, a production-oriented end-to-end speech recognition toolkit, which introduces a unified two-pass (U2) framework and a built-in runtime to address the streaming and non-streaming decoding modes in a single…

Sound · Computer Science 2022-07-06 Binbin Zhang , Di Wu , Zhendong Peng , Xingchen Song , Zhuoyuan Yao , Hang Lv , Lei Xie , Chao Yang , Fuping Pan , Jianwei Niu