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This paper describes a new baseline system for automatic speech recognition (ASR) in the CHiME-4 challenge to promote the development of noisy ASR in speech processing communities by providing 1) state-of-the-art system with a simplified…

Sound · Computer Science 2018-03-28 Szu-Jui Chen , Aswin Shanmugam Subramanian , Hainan Xu , Shinji Watanabe

In recent years, the introduction of neural networks (NNs) into the field of speech enhancement has brought significant improvements. However, many of the proposed methods are quite demanding in terms of computational complexity and memory…

Audio and Speech Processing · Electrical Eng. & Systems 2024-04-19 Ernst Seidel , Pejman Mowlaee , Tim Fingscheidt

In this paper, we design a first of its kind transceiver (PHY layer) prototype for cloud-based audio-visual (AV) speech enhancement (SE) complying with high data rate and low latency requirements of future multimodal hearing assistive…

Audio and Speech Processing · Electrical Eng. & Systems 2022-10-25 Abhijeet Bishnu , Ankit Gupta , Mandar Gogate , Kia Dashtipour , Ahsan Adeel , Amir Hussain , Mathini Sellathurai , Tharmalingam Ratnarajah

A central problem in building effective sound event detection systems is the lack of high-quality, strongly annotated sound event datasets. For this reason, Task 4 of the DCASE 2024 challenge proposes learning from two heterogeneous…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-19 Florian Schmid , Paul Primus , Tobias Morocutti , Jonathan Greif , Gerhard Widmer

Typical high quality text-to-speech (TTS) systems today use a two-stage architecture, with a spectrum model stage that generates spectral frames and a vocoder stage that generates the actual audio. High-quality spectrum models usually…

Sound · Computer Science 2021-04-05 Qing He , Zhiping Xiu , Thilo Koehler , Jilong Wu

This paper presents the speech restoration and enhancement system created by the 1024K team for the ICASSP 2024 Speech Signal Improvement (SSI) Challenge. Our system consists of a generative adversarial network (GAN) in complex-domain for…

Sound · Computer Science 2024-02-06 Guochen Yu , Runqiang Han , Chenglin Xu , Haoran Zhao , Nan Li , Chen Zhang , Xiguang Zheng , Chao Zhou , Qi Huang , Bing Yu

Verbatim transcription for automatic speaking assessment demands accurate capture of disfluencies, crucial for downstream tasks like error analysis and feedback. However, many ASR systems discard or generalize hesitations, losing important…

Computation and Language · Computer Science 2025-07-28 Jhen-Ke Lin , Hao-Chien Lu , Chung-Chun Wang , Hong-Yun Lin , Berlin Chen

Full-duplex speech interaction, as the most natural and intuitive mode of human communication, is driving artificial intelligence toward more human-like conversational systems. Traditional cascaded speech processing pipelines suffer from…

Artificial Intelligence · Computer Science 2026-05-01 Yadong Li , Guoxin Wu , Haiping Hou , Biye Li

This paper presents our MSXF TTS system for Task 3.1 of the Audio Deep Synthesis Detection (ADD) Challenge 2022. We use an end to end text to speech system, and add a constraint loss to the system when training stage. The end to end TTS…

Sound · Computer Science 2022-01-28 Chunyong Yang , Pengfei Liu , Yanli Chen , Hongbin Wang , Min Liu

The field of speech recognition is in the midst of a paradigm shift: end-to-end neural networks are challenging the dominance of hidden Markov models as a core technology. Using an attention mechanism in a recurrent encoder-decoder…

Sound · Computer Science 2017-03-16 Tsubasa Ochiai , Shinji Watanabe , Takaaki Hori , John R. Hershey

This paper presents the details of Task 1A Acoustic Scene Classification in the DCASE 2021 Challenge. The task targeted development of low-complexity solutions with good generalization properties. The provided baseline system is based on a…

Audio and Speech Processing · Electrical Eng. & Systems 2021-07-21 Irene Martín-Morató , Toni Heittola , Annamaria Mesaros , Tuomas Virtanen

The primary goal of the L3DAS23 Signal Processing Grand Challenge at ICASSP 2023 is to promote and support collaborative research on machine learning for 3D audio signal processing, with a specific emphasis on 3D speech enhancement and 3D…

Audio and Speech Processing · Electrical Eng. & Systems 2024-02-15 Christian Marinoni , Riccardo Fosco Gramaccioni , Changan Chen , Aurelio Uncini , Danilo Comminiello

Recent years have seen an increasing number of studies around the design of computer-assisted interpreting tools with integrated automatic speech processing and their use by trainees and professional interpreters. This paper discusses the…

Computation and Language · Computer Science 2022-01-11 Claudio Fantinuoli , Maddalena Montecchio

This paper describes a real-time General Speech Reconstruction (Gesper) system submitted to the ICASSP 2023 Speech Signal Improvement (SSI) Challenge. This novel proposed system is a two-stage architecture, in which the speech restoration…

Sound · Computer Science 2023-06-16 Wenzhe Liu , Yupeng Shi , Jun Chen , Wei Rao , Shulin He , Andong Li , Yannan Wang , Zhiyong Wu

We propose a novel formulation for phase synchronization -- the statistical problem of jointly estimating alignment angles from noisy pairwise comparisons -- as a nonconvex optimization problem that enforces consistency among the pairwise…

Information Theory · Computer Science 2019-05-15 Tingran Gao , Zhizhen Zhao

The ICASSP 2026 URGENT Challenge advances the series by focusing on universal speech enhancement (SE) systems that handle diverse distortions, domains, and input conditions. This overview paper details the challenge's motivation, task…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-21 Chenda Li , Wei Wang , Marvin Sach , Wangyou Zhang , Kohei Saijo , Samuele Cornell , Yihui Fu , Zhaoheng Ni , Tim Fingscheidt , Shinji Watanabe , Yanmin Qian

Usually, hearing impaired people use hearing aids which are implemented with speech enhancement algorithms. Estimation of speech and estimation of nose are the components in single channel speech enhancement system. The main objective of…

Sound · Computer Science 2014-11-10 M. Ravichandra Kumar , B. Ravi Teja

Modern neural speech enhancement models usually include various forms of phase information in their training loss terms, either explicitly or implicitly. However, these loss terms are typically designed to reduce the distortion of phase…

Sound · Computer Science 2022-02-25 Doyeon Kim , Hyewon Han , Hyeon-Kyeong Shin , Soo-Whan Chung , Hong-Goo Kang

Audio-visual speech enhancement system is regarded as one of promising solutions for isolating and enhancing speech of desired speaker. Typical methods focus on predicting clean speech spectrum via a naive convolution neural network based…

Audio and Speech Processing · Electrical Eng. & Systems 2022-07-01 Xinmeng Xu , Yang Wang , Jie Jia , Binbin Chen , Dejun Li

The conventional wisdom has been that designing ultra-compact, battery-constrained wireless hearables with on-device speech AI models is challenging due to the high computational demands of streaming deep learning models. Speech AI models…

Sound · Computer Science 2025-10-23 Malek Itani , Tuochao Chen , Arun Raghavan , Gavriel Kohlberg , Shyamnath Gollakota