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We propose a semi-supervised learning method for building end-to-end rich transcription-style automatic speech recognition (RT-ASR) systems from small-scale rich transcription-style and large-scale common transcription-style datasets. In…

Computation and Language · Computer Science 2021-07-13 Tomohiro Tanaka , Ryo Masumura , Mana Ihori , Akihiko Takashima , Shota Orihashi , Naoki Makishima

Linguistic anomalies detectable in spontaneous speech have shown promise for various clinical applications including screening for dementia and other forms of cognitive impairment. The feasibility of deploying automated tools that can…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-15 Changye Li , Trevor Cohen , Serguei Pakhomov

This paper presents our contribution to the 3rd CHiME Speech Separation and Recognition Challenge. Our system uses Bidirectional Long Short-Term Memory (BLSTM) Recurrent Neural Networks (RNNs) for Single-channel Speech Enhancement (SSE).…

Sound · Computer Science 2015-10-02 Amr El-Desoky Mousa , Erik Marchi , Björn Schuller

Speech intelligibility can be degraded due to multiple factors, such as noisy environments, technical difficulties or biological conditions. This work is focused on the development of an automatic non-intrusive system for predicting the…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-07 Miguel Fernández-Díaz , Ascensión Gallardo-Antolín

We propose to utilize an instruction-tuned large language model (LLM) for guiding the text generation process in automatic speech recognition (ASR). Modern large language models (LLMs) are adept at performing various text generation tasks…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-08 Yosuke Higuchi , Tetsuji Ogawa , Tetsunori Kobayashi

This paper investigates the framework of encoder-decoder with attention for sequence labelling based spoken language understanding. We introduce Bidirectional Long Short Term Memory - Long Short Term Memory networks (BLSTM-LSTM) as the…

Computation and Language · Computer Science 2017-03-14 Su Zhu , Kai Yu

Sequence-to-sequence attention-based models on subword units allow simple open-vocabulary end-to-end speech recognition. In this work, we show that such models can achieve competitive results on the Switchboard 300h and LibriSpeech 1000h…

Computation and Language · Computer Science 2019-08-06 Albert Zeyer , Kazuki Irie , Ralf Schlüter , Hermann Ney

In recent years, all-neural, end-to-end (E2E) ASR systems gained rapid interest in the speech recognition community. They convert speech input to text units in a single trainable Neural Network model. In ASR, many utterances contain rich…

Computation and Language · Computer Science 2020-08-11 Rongqing Huang , Ossama Abdel-hamid , Xinwei Li , Gunnar Evermann

Automatic speech recognition (ASR) systems are primarily evaluated on transcription accuracy. However, in some use cases such as subtitling, verbatim transcription would reduce output readability given limited screen size and reading time.…

Computation and Language · Computer Science 2020-05-26 Danni Liu , Jan Niehues , Gerasimos Spanakis

Contextual biasing is an important and challenging task for end-to-end automatic speech recognition (ASR) systems, which aims to achieve better recognition performance by biasing the ASR system to particular context phrases such as person…

Computation and Language · Computer Science 2022-09-08 Xiaoqiang Wang , Yanqing Liu , Jinyu Li , Veljko Miljanic , Sheng Zhao , Hosam Khalil

We propose a novel deliberation-based approach to end-to-end (E2E) spoken language understanding (SLU), where a streaming automatic speech recognition (ASR) model produces the first-pass hypothesis and a second-pass natural language…

Computation and Language · Computer Science 2022-09-08 Duc Le , Akshat Shrivastava , Paden Tomasello , Suyoun Kim , Aleksandr Livshits , Ozlem Kalinli , Michael L. Seltzer

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

While significant improvements have been made in recent years in terms of end-to-end automatic speech recognition (ASR) performance, such improvements were obtained through the use of very large neural networks, unfit for embedded use on…

Computation and Language · Computer Science 2020-03-25 Alex Bie , Bharat Venkitesh , Joao Monteiro , Md. Akmal Haidar , Mehdi Rezagholizadeh

The mismatch of speech length and text length poses a challenge in automatic speech recognition (ASR). In previous research, various approaches have been employed to align text with speech, including the utilization of Connectionist…

Computation and Language · Computer Science 2025-10-14 Peng Fan , Wenping Wang , Fei Deng

We propose a new shallow fusion (SF) method to exploit an external backward language model (BLM) for end-to-end automatic speech recognition (ASR). The BLM has complementary characteristics with a forward language model (FLM), and the…

Audio and Speech Processing · Electrical Eng. & Systems 2023-12-22 Atsunori Ogawa , Takafumi Moriya , Naoyuki Kamo , Naohiro Tawara , Marc Delcroix

End-to-end (E2E) models, which directly predict output character sequences given input speech, are good candidates for on-device speech recognition. E2E models, however, present numerous challenges: In order to be truly useful, such models…

In this paper, we propose an incremental learning method for end-to-end Automatic Speech Recognition (ASR) which enables an ASR system to perform well on new tasks while maintaining the performance on its originally learned ones. To…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-17 Li Fu , Xiaoxiao Li , Libo Zi , Zhengchen Zhang , Youzheng Wu , Xiaodong He , Bowen Zhou

Nowadays, most of the objective speech quality assessment tools (e.g., perceptual evaluation of speech quality (PESQ)) are based on the comparison of the degraded/processed speech with its clean counterpart. The need of a "golden" reference…

Sound · Computer Science 2018-08-20 Szu-Wei Fu , Yu Tsao , Hsin-Te Hwang , Hsin-Min Wang

Spoken Language Understanding (SLU) is a core task in most human-machine interaction systems. With the emergence of smart homes, smart phones and smart speakers, SLU has become a key technology for the industry. In a classical SLU approach,…

Computation and Language · Computer Science 2022-07-19 Thierry Desot , François Portet , Michel Vacher

An independent, automated method of decoding and transcribing oral speech is known as automatic speech recognition (ASR). A typical ASR system extracts feature from audio recordings or streams and run one or more algorithms to map the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-09-21 Tushar Talukder Showrav