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Related papers: Improving RNN-Transducers with Acoustic LookAhead

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We explore options to use Transformer networks in neural transducer for end-to-end speech recognition. Transformer networks use self-attention for sequence modeling and comes with advantages in parallel computation and capturing contexts.…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-30 Ching-Feng Yeh , Jay Mahadeokar , Kaustubh Kalgaonkar , Yongqiang Wang , Duc Le , Mahaveer Jain , Kjell Schubert , Christian Fuegen , Michael L. Seltzer

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 present Bifocal RNN-T, a new variant of the Recurrent Neural Network Transducer (RNN-T) architecture designed for improved inference time latency on speech recognition tasks. The architecture enables a dynamic pivot for its runtime…

Audio and Speech Processing · Electrical Eng. & Systems 2021-08-05 Jonathan Macoskey , Grant P. Strimel , Ariya Rastrow

RNN-Transducer (RNN-T) models have become synonymous with streaming end-to-end ASR systems. While they perform competitively on a number of evaluation categories, rare words pose a serious challenge to RNN-T models. One main reason for the…

Computation and Language · Computer Science 2022-03-07 Vinit Unni , Shreya Khare , Ashish Mittal , Preethi Jyothi , Sunita Sarawagi , Samarth Bharadwaj

End-to-end approaches have drawn much attention recently for significantly simplifying the construction of an automatic speech recognition (ASR) system. RNN transducer (RNN-T) is one of the popular end-to-end methods. Previous studies have…

Computation and Language · Computer Science 2019-04-24 Senmao Wang , Pan Zhou , Wei Chen , Jia Jia , Lei Xie

The Recurrent Neural Network-Transducer (RNN-T) is widely adopted in end-to-end (E2E) automatic speech recognition (ASR) tasks but depends heavily on large-scale, high-quality annotated data, which are often costly and difficult to obtain.…

Computation and Language · Computer Science 2025-11-07 Dongji Gao , Chenda Liao , Changliang Liu , Matthew Wiesner , Leibny Paola Garcia , Daniel Povey , Sanjeev Khudanpur , Jian Wu

In this paper, several works are proposed to address practical challenges for deploying RNN Transducer (RNN-T) based speech recognition system. These challenges are adapting a well-trained RNN-T model to a new domain without collecting the…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-20 Rui Zhao , Jian Xue , Jinyu Li , Wenning Wei , Lei He , Yifan Gong

Speech-to-text translation (ST), which translates source language speech into target language text, has attracted intensive attention in recent years. Compared to the traditional pipeline system, the end-to-end ST model has potential…

Computation and Language · Computer Science 2019-12-17 Yuchen Liu , Jiajun Zhang , Hao Xiong , Long Zhou , Zhongjun He , Hua Wu , Haifeng Wang , Chengqing Zong

While large language models (LLMs) have been applied to automatic speech recognition (ASR), the task of making the model streamable remains a challenge. This paper proposes a novel model architecture, Transducer-Llama, that integrates LLMs…

Computation and Language · Computer Science 2024-12-24 Keqi Deng , Jinxi Guo , Yingyi Ma , Niko Moritz , Philip C. Woodland , Ozlem Kalinli , Mike Seltzer

Confidence estimate is an often requested feature in applications such as medical transcription where errors can impact patient care and the confidence estimate could be used to alert medical professionals to verify potential errors in…

Computation and Language · Computer Science 2021-10-29 Mingqiu Wang , Hagen Soltau , Laurent El Shafey , Izhak Shafran

Neural transducer is now the most popular end-to-end model for speech recognition, due to its naturally streaming ability. However, it is challenging to adapt it with text-only data. Factorized neural transducer (FNT) model was proposed to…

Computation and Language · Computer Science 2023-02-24 Rui Zhao , Jian Xue , Partha Parthasarathy , Veljko Miljanic , Jinyu Li

This paper presents a novel streaming end-to-end target-speaker speech recognition that addresses two critical limitations in systems: the handling of noisy enrollment utterances and specific enrollment phrase requirements. This paper…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-28 Mohsen Ghane , Mohammad Sadegh Safari

End-to-end (E2E) systems for automatic speech recognition (ASR), such as RNN Transducer (RNN-T) and Listen-Attend-Spell (LAS) blend the individual components of a traditional hybrid ASR system - acoustic model, language model, pronunciation…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-14 Mahaveer Jain , Gil Keren , Jay Mahadeokar , Geoffrey Zweig , Florian Metze , Yatharth Saraf

Text-to-speech (TTS) acoustic models map linguistic features into an acoustic representation out of which an audible waveform is generated. The latest and most natural TTS systems build a direct mapping between linguistic and waveform…

Sound · Computer Science 2019-09-24 David Álvarez , Santiago Pascual , Antonio Bonafonte

In incremental text to speech synthesis (iTTS), the synthesizer produces an audio output before it has access to the entire input sentence. In this paper, we study the behavior of a neural sequence-to-sequence TTS system when used in an…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-16 Brooke Stephenson , Laurent Besacier , Laurent Girin , Thomas Hueber

The RNN-Transducer (RNN-T) framework for speech recognition has been growing in popularity, particularly for deployed real-time ASR systems, because it combines high accuracy with naturally streaming recognition. One of the drawbacks of…

Audio and Speech Processing · Electrical Eng. & Systems 2022-06-28 Fangjun Kuang , Liyong Guo , Wei Kang , Long Lin , Mingshuang Luo , Zengwei Yao , Daniel Povey

We present a comprehensive study on building and adapting RNN transducer (RNN-T) models for spoken language understanding(SLU). These end-to-end (E2E) models are constructed in three practical settings: a case where verbatim transcripts are…

Computation and Language · Computer Science 2021-04-09 Samuel Thomas , Hong-Kwang J. Kuo , George Saon , Zoltán Tüske , Brian Kingsbury , Gakuto Kurata , Zvi Kons , Ron Hoory

Although end-to-end neural text-to-speech (TTS) methods (such as Tacotron2) are proposed and achieve state-of-the-art performance, they still suffer from two problems: 1) low efficiency during training and inference; 2) hard to model long…

Computation and Language · Computer Science 2019-01-31 Naihan Li , Shujie Liu , Yanqing Liu , Sheng Zhao , Ming Liu , Ming Zhou

Neural transducers (NT) provide an effective framework for speech streaming, demonstrating strong performance in automatic speech recognition (ASR). However, the application of NT to speech translation (ST) remains challenging, as existing…

Computation and Language · Computer Science 2025-06-04 Amir Hussein , Cihan Xiao , Matthew Wiesner , Dan Povey , Leibny Paola Garcia , Sanjeev Khudanpur

We investigate a set of techniques for RNN Transducers (RNN-Ts) that were instrumental in lowering the word error rate on three different tasks (Switchboard 300 hours, conversational Spanish 780 hours and conversational Italian 900 hours).…

Computation and Language · Computer Science 2021-03-19 George Saon , Zoltan Tueske , Daniel Bolanos , Brian Kingsbury