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We study the effect of memory on synchronization of identical chaotic systems driven by common external noises. Our examples show that while in general synchronization transition becomes more difficult to meet when memory range increases,…

混沌动力学 · 物理学 2009-11-11 Rafael Morgado , Michal Ciesla , Lech Longa , Fernando A. Oliveira

Despite the remarkable progress recently made in distant speech recognition, state-of-the-art technology still suffers from a lack of robustness, especially when adverse acoustic conditions characterized by non-stationary noises and…

计算与语言 · 计算机科学 2017-03-24 Mirco Ravanelli , Philemon Brakel , Maurizio Omologo , Yoshua Bengio

We describe a new framework for distilling information from word lattices to improve the accuracy of speech recognition and obtain a more perspicuous representation of a set of alternative hypotheses. In the standard MAP decoding approach…

计算与语言 · 计算机科学 2022-02-28 L. Mangu , E. Brill , A. Stolcke

This paper proposes an additive phoneme-aware margin softmax (APM-Softmax) loss to train the multi-task learning network with phonetic information for language recognition. In additive margin softmax (AM-Softmax) loss, the margin is set as…

声音 · 计算机科学 2021-06-25 Zheng Li , Yan Liu , Lin Li , Qingyang Hong

This paper presents a novel approach for enhancing the multiple sets of acoustic patterns automatically discovered from a given corpus. In a previous work it was proposed that different HMM configurations (number of states per model, number…

计算与语言 · 计算机科学 2015-09-09 Cheng-Tao Chung , Wei-Ning Hsu , Cheng-Yi Lee , Lin-Shan Lee

A speech-based hearing test is designed to identify the susceptible error-prone phones for individual hearing impaired (HI) ear. Only robust tokens in the experiment noise levels had been chosen for the test. The noise-robustness of tokens…

定量方法 · 定量生物学 2020-05-14 Ali Abavisani , Mark A Hasegawa-Johnson

Cochlear implant (CI) users have considerable difficulty in understanding speech in reverberant listening environments. Time-frequency (T-F) masking is a common technique that aims to improve speech intelligibility by multiplying…

音频与语音处理 · 电气工程与系统科学 2021-06-01 Kevin M. Chu , Leslie M. Collins , Boyla O. Mainsah

Multichannel speech enhancement algorithms are essential for improving the intelligibility of speech signals in noisy environments. These algorithms are usually evaluated at the utterance level, but this approach overlooks the disparities…

声音 · 计算机科学 2025-06-24 Nasser-Eddine Monir , Paul Magron , Romain Serizel

Recent years have witnessed significant improvement in ASR systems to recognize spoken utterances. However, it is still a challenging task for noisy and out-of-domain data, where substitution and deletion errors are prevalent in the…

音频与语音处理 · 电气工程与系统科学 2021-06-17 Mukuntha Narayanan Sundararaman , Ayush Kumar , Jithendra Vepa

This study employs deep learning techniques to explore four speaker profiling tasks on the TIMIT dataset, namely gender classification, accent classification, age estimation, and speaker identification, highlighting the potential and…

声音 · 计算机科学 2024-04-19 Rong Wang , Kun Sun

Human biases have been shown to influence the performance of models and algorithms in various fields, including Natural Language Processing. While the study of this phenomenon is garnering focus in recent years, the available resources are…

计算与语言 · 计算机科学 2024-08-15 Ana Sofia Evans , Helena Moniz , Luísa Coheur

Modeling the errors of a speech recognizer can help simulate errorful recognized speech data from plain text, which has proven useful for tasks like discriminative language modeling, improving robustness of NLP systems, where limited or…

人工智能 · 计算机科学 2024-08-22 Prashant Serai , Peidong Wang , Eric Fosler-Lussier

Deep learning architectures have made significant progress in terms of performance in many research areas. The automatic speech recognition (ASR) field has thus benefited from these scientific and technological advances, particularly for…

声音 · 计算机科学 2024-03-01 Quentin Raymondaud , Mickael Rouvier , Richard Dufour

Recent advancements in text-to-speech and speech conversion technologies have enabled the creation of highly convincing synthetic speech. While these innovations offer numerous practical benefits, they also cause significant security…

声音 · 计算机科学 2024-12-18 Kuiyuan Zhang , Zhongyun Hua , Rushi Lan , Yushu Zhang , Yifang Guo

Conversational systems rely heavily on speech recognition to interpret and respond to user commands and queries. Despite progress on speech recognition accuracy, errors may still sometimes occur and can significantly affect the end-user…

人机交互 · 计算机科学 2025-06-23 Sadia Nowrin , Keith Vertanen

Ladder networks are a notable new concept in the field of semi-supervised learning by showing state-of-the-art results in image recognition tasks while being compatible with many existing neural architectures. We present the recurrent…

计算与语言 · 计算机科学 2017-09-20 Marian Tietz , Tayfun Alpay , Johannes Twiefel , Stefan Wermter

Cross-lingual phoneme recognition has emerged as a significant challenge for accurate automatic speech recognition (ASR) when mixing Vietnamese and English pronunciations. Unlike many languages, Vietnamese relies on tonal variations to…

计算与语言 · 计算机科学 2025-08-28 Nguyen Huu Nhat Minh , Tran Nguyen Anh , Truong Dinh Dung , Vo Van Nam , Le Pham Tuyen

Single-channel speech separation is a crucial task for enhancing speech recognition systems in multi-speaker environments. This paper investigates the robustness of state-of-the-art Neural Network models in scenarios where the pitch…

音频与语音处理 · 电气工程与系统科学 2024-07-23 Bunlong Lay , Sebastian Zaczek , Kristina Tesch , Timo Gerkmann

We propose a first step toward multilingual end-to-end automatic speech recognition (ASR) by integrating knowledge about speech articulators. The key idea is to leverage a rich set of fundamental units that can be defined "universally"…

音频与语音处理 · 电气工程与系统科学 2023-09-19 Hao Yen , Sabato Marco Siniscalchi , Chin-Hui Lee

Recent advances in machine learning and the availability of articulatory datasets allow vocal tract synthesis to be conditioned on phonetic sequences, a primary task of articulatory speech synthesis. However, quality assessment needs a…

计算与语言 · 计算机科学 2026-05-21 Vinicius Ribeiro , Yves Laprie