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Because of its streaming nature, recurrent neural network transducer (RNN-T) is a very promising end-to-end (E2E) model that may replace the popular hybrid model for automatic speech recognition. In this paper, we describe our recent…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-31 Jinyu Li , Rui Zhao , Zhong Meng , Yanqing Liu , Wenning Wei , Sarangarajan Parthasarathy , Vadim Mazalov , Zhenghao Wang , Lei He , Sheng Zhao , Yifan Gong

We address the fundamental incompatibility of attention-based encoder-decoder (AED) models with long-form acoustic encodings. AED models trained on segmented utterances learn to encode absolute frame positions by exploiting limited acoustic…

Audio and Speech Processing · Electrical Eng. & Systems 2025-12-17 Pawel Swietojanski , Xinwei Li , Mingbin Xu , Takaaki Hori , Dogan Can , Xiaodan Zhuang

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

We explore training attention-based encoder-decoder ASR in low-resource settings. These models perform poorly when trained on small amounts of transcribed speech, in part because they depend on having sufficient target-side text to train…

Audio and Speech Processing · Electrical Eng. & Systems 2019-08-06 Matthew Wiesner , Adithya Renduchintala , Shinji Watanabe , Chunxi Liu , Najim Dehak , Sanjeev Khudanpur

End-to-end Speech Translation (ST) models have several advantages such as lower latency, smaller model size, and less error compounding over conventional pipelines that combine Automatic Speech Recognition (ASR) and text Machine Translation…

Computation and Language · Computer Science 2020-04-29 Sathish Indurthi , Houjeung Han , Nikhil Kumar Lakumarapu , Beomseok Lee , Insoo Chung , Sangha Kim , Chanwoo Kim

The text encoder is a critical component of text-to-image and text-to-video diffusion models, fundamentally determining the semantic fidelity of the generated content. However, its development has been hindered by two major challenges: the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Bozhou Li , Sihan Yang , Yushuo Guan , Ruichuan An , Xinlong Chen , Yang Shi , Pengfei Wan , Wentao Zhang , Yuanxing zhang

This work proposes an attention-based sequence-to-sequence model for handwritten word recognition and explores transfer learning for data-efficient training of HTR systems. To overcome training data scarcity, this work leverages models…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Dmitrijs Kass , Ekta Vats

Multilingual translation suffers from computational redundancy, especially when translating into multiple languages simultaneously. In addition, translation quality can suffer for low-resource languages. To address this, we introduce…

Computation and Language · Computer Science 2026-03-18 Yiwen Guan , Jacob Whitehill

Acoustic scene classification (ASC) and acoustic event detection (AED) are different but related tasks. Acoustic events can provide useful information for recognizing acoustic scenes. However, most of the datasets are provided without…

Sound · Computer Science 2020-10-27 Ruixiong Zhang , Wei Zou , Xiangang Li

Pretraining and multitask learning are widely used to improve the speech to text translation performance. In this study, we are interested in training a speech to text translation model along with an auxiliary text to text translation task.…

Computation and Language · Computer Science 2021-07-14 Yun Tang , Juan Pino , Xian Li , Changhan Wang , Dmitriy Genzel

In this paper, we propose an efficient and accurate streaming speech recognition model based on the FastConformer architecture. We adapted the FastConformer architecture for streaming applications through: (1) constraining both the…

Computation and Language · Computer Science 2024-05-06 Vahid Noroozi , Somshubra Majumdar , Ankur Kumar , Jagadeesh Balam , Boris Ginsburg

This paper investigates efficient methods for utilizing text-only data to improve speech recognition, focusing on encoder-dominated models that facilitate faster recognition. We provide a comprehensive comparison of techniques to integrate…

Computation and Language · Computer Science 2026-04-30 Albert Zeyer , Tim Posielek , Ralf Schlüter , Hermann Ney

We introduce a self-supervised speech pre-training method called TERA, which stands for Transformer Encoder Representations from Alteration. Recent approaches often learn by using a single auxiliary task like contrastive prediction,…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-05 Andy T. Liu , Shang-Wen Li , Hung-yi Lee

Text to speech (TTS) and automatic speech recognition (ASR) are two dual tasks in speech processing and both achieve impressive performance thanks to the recent advance in deep learning and large amount of aligned speech and text data.…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-28 Yi Ren , Xu Tan , Tao Qin , Sheng Zhao , Zhou Zhao , Tie-Yan Liu

Sound Event Detection (SED) detects regions of sound events, while Speaker Diarization (SD) segments speech conversations attributed to individual speakers. In SED, all speaker segments are classified as a single speech event, while in SD,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-16 Yidi Jiang , Ruijie Tao , Wen Huang , Qian Chen , Wen Wang

This paper proposes and evaluates the hybrid autoregressive transducer (HAT) model, a time-synchronous encoderdecoder model that preserves the modularity of conventional automatic speech recognition systems. The HAT model provides a way to…

Audio and Speech Processing · Electrical Eng. & Systems 2020-03-18 Ehsan Variani , David Rybach , Cyril Allauzen , Michael Riley

Code-switching speech refers to a means of expression by mixing two or more languages within a single utterance. Automatic Speech Recognition (ASR) with End-to-End (E2E) modeling for such speech can be a challenging task due to the lack of…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-21 Haibin Yu , Yuxuan Hu , Yao Qian , Ma Jin , Linquan Liu , Shujie Liu , Yu Shi , Yanmin Qian , Edward Lin , Michael Zeng

We extend the frameworks of Serialized Output Training (SOT) to address practical needs of both streaming and offline automatic speech recognition (ASR) applications. Our approach focuses on balancing latency and accuracy, catering to…

Audio and Speech Processing · Electrical Eng. & Systems 2025-06-18 Aswin Shanmugam Subramanian , Amit Das , Naoyuki Kanda , Jinyu Li , Xiaofei Wang , Yifan Gong

End-to-end speech translation, a hot topic in recent years, aims to translate a segment of audio into a specific language with an end-to-end model. Conventional approaches employ multi-task learning and pre-training methods for this task,…

Computation and Language · Computer Science 2019-11-19 Chengyi Wang , Yu Wu , Shujie Liu , Zhenglu Yang , Ming Zhou

Speech Translation has always been about giving source text or audio input and waiting for system to give translated output in desired form. In this paper, we present the Acoustic Dialect Decoder (ADD) - a voice to voice ear-piece…

Computation and Language · Computer Science 2016-12-01 Hans Krupakar , Keerthika Rajvel , Bharathi B , Angel Deborah S , Vallidevi Krishnamurthy