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Transformer-based speech enhancement models yield impressive results. However, their heterogeneous and complex structure restricts model compression potential, resulting in greater complexity and reduced hardware efficiency. Additionally,…

Hardware Architecture · Computer Science 2025-03-28 Ci-Hao Wu , Tian-Sheuan Chang

We propose to deliberate the hypothesis alignment of a streaming RNN-T model with the previously proposed Align-Refine non-autoregressive decoding method and its improved versions. The method performs a few refinement steps, where each step…

Computation and Language · Computer Science 2021-12-22 Weiran Wang , Ke Hu , Tara Sainath

We present a method for introducing a text encoder into pre-trained end-to-end speech translation systems. It enhances the ability of adapting one modality (i.e., source-language speech) to another (i.e., source-language text). Thus, the…

Audio and Speech Processing · Electrical Eng. & Systems 2022-12-06 Yuhao Zhang , Chen Xu , Bojie Hu , Chunliang Zhang , Tong Xiao , Jingbo Zhu

Although Transformers have gained success in several speech processing tasks like spoken language understanding (SLU) and speech translation (ST), achieving online processing while keeping competitive performance is still essential for…

Computation and Language · Computer Science 2022-04-20 Keqi Deng , Shinji Watanabe , Jiatong Shi , Siddhant Arora

This paper presents a novel approach for the automatic generation of Cued Speech (ACSG), a visual communication system used by people with hearing impairment to better elicit the spoken language. We explore transfer learning strategies by…

Computation and Language · Computer Science 2025-01-10 Sanjana Sankar , Martin Lenglet , Gerard Bailly , Denis Beautemps , Thomas Hueber

In this work, we address the Text-to-Speech (TTS) task by proposing a non-autoregressive architecture called EfficientTTS. Unlike the dominant non-autoregressive TTS models, which are trained with the need of external aligners, EfficientTTS…

Audio and Speech Processing · Electrical Eng. & Systems 2020-12-08 Chenfeng Miao , Shuang Liang , Zhencheng Liu , Minchuan Chen , Jun Ma , Shaojun Wang , Jing Xiao

A cascaded speech translation model relies on discrete and non-differentiable transcription, which provides a supervision signal from the source side and helps the transformation between source speech and target text. Such modeling suffers…

Computation and Language · Computer Science 2020-11-25 Parnia Bahar , Tobias Bieschke , Ralf Schlüter , Hermann Ney

Recently, there has been an increasing interest in unifying streaming and non-streaming speech recognition models to reduce development, training and deployment cost. The best-known approaches rely on either window-based or dynamic…

Audio and Speech Processing · Electrical Eng. & Systems 2023-04-27 Xilai Li , Goeric Huybrechts , Srikanth Ronanki , Jeff Farris , Sravan Bodapati

Recently self-supervised learning has emerged as an effective approach to improve the performance of automatic speech recognition (ASR). Under such a framework, the neural network is usually pre-trained with massive unlabeled data and then…

Audio and Speech Processing · Electrical Eng. & Systems 2021-09-16 Songjun Cao , Yueteng Kang , Yanzhe Fu , Xiaoshuo Xu , Sining Sun , Yike Zhang , Long Ma

Previously, we introduced VoiceGrad, a nonparallel voice conversion (VC) technique enabling mel-spectrogram conversion from source to target speakers using a score-based diffusion model. The concept involves training a score network to…

Sound · Computer Science 2025-09-11 Hirokazu Kameoka , Takuhiro Kaneko , Kou Tanaka , Yuto Kondo

Protecting speaker identity is crucial for online voice applications, yet streaming speaker anonymization (SA) remains underexplored. Recent research has demonstrated that neural audio codec (NAC) provides superior speaker feature…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-06 Nikita Kuzmin , Songting Liu , Kong Aik Lee , Eng Siong Chng

The recent emergence of joint CTC-Attention model shows significant improvement in automatic speech recognition (ASR). The improvement largely lies in the modeling of linguistic information by decoder. The decoder joint-optimized with an…

Computation and Language · Computer Science 2022-10-27 Xulong Zhang , Jianzong Wang , Ning Cheng , Mengyuan Zhao , Zhiyong Zhang , Jing Xiao

In this work, we introduce a simple yet efficient post-processing model for automatic speech recognition (ASR). Our model has Transformer-based encoder-decoder architecture which "translates" ASR model output into grammatically and…

Computation and Language · Computer Science 2019-10-24 Oleksii Hrinchuk , Mariya Popova , Boris Ginsburg

Simultaneous speech-to-text translation is widely useful in many scenarios. The conventional cascaded approach uses a pipeline of streaming ASR followed by simultaneous MT, but suffers from error propagation and extra latency. To alleviate…

Computation and Language · Computer Science 2021-06-15 Junkun Chen , Mingbo Ma , Renjie Zheng , Liang Huang

Transformer-based architectures are the most used architectures in many deep learning fields like Natural Language Processing, Computer Vision or Speech processing. It may encourage the direct use of Transformers in the constrained tasks,…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-29 Youness Dkhissi , Valentin Vielzeuf , Elys Allesiardo , Anthony Larcher

Many Automatic Speech Recognition (ASR) applications require streaming processing of the audio data. In streaming mode, ASR systems need to start transcribing the input stream before it is complete, i.e., the systems have to process a…

Computation and Language · Computer Science 2026-03-13 Youness Dkhissi , Valentin Vielzeuf , Elys Allesiardo , Anthony Larcher

Voice conversion (VC) techniques aim to modify speaker identity of an utterance while preserving the underlying linguistic information. Most VC approaches ignore modeling of the speaking style (e.g. emotion and emphasis), which may contain…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-20 Songxiang Liu , Yuewen Cao , Shiyin Kang , Na Hu , Xunying Liu , Dan Su , Dong Yu , Helen Meng

We present VoXtream, a fully autoregressive, zero-shot streaming text-to-speech (TTS) system for real-time use that begins speaking from the first word. VoXtream directly maps incoming phonemes to audio tokens using a monotonic alignment…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-27 Nikita Torgashov , Gustav Eje Henter , Gabriel Skantze

Voice style conversion aims to transform an input utterance to match a target speaker's timbre, accent, and emotion, with a central challenge being the disentanglement of linguistic content from style. While prior work has explored this…

Sound · Computer Science 2026-02-24 Yisi Liu , Nicholas Lee , Gopala Anumanchipalli

End-to-end (E2E) automatic speech recognition (ASR) models, by now, have shown competitive performance on several benchmarks. These models are structured to either operate in streaming or non-streaming mode. This work presents cascaded…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-29 Arun Narayanan , Tara N. Sainath , Ruoming Pang , Jiahui Yu , Chung-Cheng Chiu , Rohit Prabhavalkar , Ehsan Variani , Trevor Strohman