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Spectrograms are pivotal in time-frequency signal analysis, widely used in audio processing and computational neuroscience. Chirp-like patterns in electroencephalogram (EEG) spectrograms (marked by linear or exponential frequency sweep) are…

Audio and Speech Processing · Electrical Eng. & Systems 2025-04-01 Nooshin Bahador , Milad Lankarany

This paper proposes a low algorithmic latency adaptation of the deep clustering approach to speaker-independent speech separation. It consists of three parts: a) the usage of long-short-term-memory (LSTM) networks instead of their…

Sound · Computer Science 2019-02-20 Shanshan Wang , Gaurav Naithani , Tuomas Virtanen

This paper is devoted to improve automatic emotion recognition from speech by incorporating rhythm and temporal features. Research on automatic emotion recognition so far has mostly been based on applying features like MFCCs, pitch and…

Computer Vision and Pattern Recognition · Computer Science 2013-03-08 Mayank Bhargava , Tim Polzehl

Voiced segments of speech are assumed to be composed of non-stationary acoustic objects which can be described as stationary response of a non-stationary fundamental drive (FD) process and which are furthermore suited to reconstruct the…

Sound · Computer Science 2007-05-23 Friedhelm R. Drepper

This paper introduces GlOttal-flow LPC Filter (GOLF), a novel method for singing voice synthesis (SVS) that exploits the physical characteristics of the human voice using differentiable digital signal processing. GOLF employs a glottal…

Audio and Speech Processing · Electrical Eng. & Systems 2024-10-21 Chin-Yun Yu , György Fazekas

An adaptive time-frequency representation (TFR) with higher energy concentration usually requires higher complexity. Recently, a low-complexity adaptive short-time Fourier transform (ASTFT) based on the chirp rate has been proposed. To…

Information Theory · Computer Science 2017-05-26 Soo-Chang Pei , Shih-Gu Huang

Audio-visual target speech extraction, which aims to extract a certain speaker's speech from the noisy mixture by looking at lip movements, has made significant progress combining time-domain speech separation models and visual feature…

Multimedia · Computer Science 2023-03-07 Zhongweiyang Xu , Xulin Fan , Mark Hasegawa-Johnson

Glottal Closure Instants (GCIs) correspond to the temporal locations of significant excitation to the vocal tract occurring during the production of voiced speech. GCI detection from speech signals is a well-studied problem given its…

Sound · Computer Science 2019-07-11 Mohit Goyal , Varun Srivastava , Prathosh A. P

Continuous follow-up of heart condition through long-term electrocardiogram monitoring is an invaluable tool for diagnosing some cardiac arrhythmias. In such context, providing tools for fast locating alterations of normal conduction…

Computer Vision and Pattern Recognition · Computer Science 2014-10-28 Daniel Castro , Paulo Félix , Jesús Presedo

Connectionist Temporal Classification (CTC) is a widely used method for automatic speech recognition (ASR), renowned for its simplicity and computational efficiency. However, it often falls short in recognition performance. In this work, we…

Audio and Speech Processing · Electrical Eng. & Systems 2025-02-17 Zengwei Yao , Wei Kang , Xiaoyu Yang , Fangjun Kuang , Liyong Guo , Han Zhu , Zengrui Jin , Zhaoqing Li , Long Lin , Daniel Povey

Glottal Closure Instants (GCI) detection consists in automatically detecting temporal locations of most significant excitation of the vocal tract from the speech signal. It is used in many speech analysis and processing applications, and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-21 Luc Ardaillon , Axel Roebel

We demonstrate that carefully adjusting the tokenizer of the Whisper speech recognition model significantly improves the precision of word-level timestamps when applying dynamic time warping to the decoder's cross-attention scores. We…

Machine Learning · Computer Science 2024-08-30 Laurin Wagner , Bernhard Thallinger , Mario Zusag

The goal of this work is to train strong models for visual speech recognition without requiring human annotated ground truth data. We achieve this by distilling from an Automatic Speech Recognition (ASR) model that has been trained on a…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Triantafyllos Afouras , Joon Son Chung , Andrew Zisserman

This paper proposes a simple and effective approach for automatic recognition of Cued Speech (CS), a visual communication tool that helps people with hearing impairment to understand spoken language with the help of hand gestures that can…

Computation and Language · Computer Science 2022-04-12 Sanjana Sankar , Denis Beautemps , Thomas Hueber

In speech-related classification tasks, frequency-domain acoustic features such as logarithmic Mel-filter bank coefficients (FBANK) and cepstral-domain acoustic features such as Mel-frequency cepstral coefficients (MFCC) are often used.…

Sound · Computer Science 2022-06-20 Yikang Wang , Hiromitsu Nishizaki

In this work, we describe a novel method of training an embedding-matching word-level connectionist temporal classification (CTC) automatic speech recognizer (ASR) such that it directly produces word start times and durations, required by…

Computation and Language · Computer Science 2023-06-21 Woojay Jeon

Early identification of respiratory irregularities is critical for improving lung health and reducing global mortality rates. The analysis of respiratory sounds plays a significant role in characterizing the respiratory system's condition…

Audio and Speech Processing · Electrical Eng. & Systems 2024-11-12 Loredana Daria Mang , Francisco David Gonzalez Martinez , Damian Martinez Munoz , Sebastian Garcia Galan , Raquel Cortina

The Glottal Source is an important component of voice as it can be considered as the excitation signal to the voice apparatus. Nowadays, new techniques of speech processing such as speech recognition and speech synthesis use the glottal…

Other Computer Science · Computer Science 2010-04-20 Nikhil Raj , R. K. Sharma

We introduce asynchronous dynamic decoder, which adopts an efficient A* algorithm to incorporate big language models in the one-pass decoding for large vocabulary continuous speech recognition. Unlike standard one-pass decoding with…

Sound · Computer Science 2021-03-17 Hang Lv , Zhehuai Chen , Hainan Xu , Daniel Povey , Lei Xie , Sanjeev Khudanpur

Respiratory sound contains crucial information for the early diagnosis of fatal lung diseases. Since the COVID-19 pandemic, there has been a growing interest in contact-free medical care based on electronic stethoscopes. To this end,…

Audio and Speech Processing · Electrical Eng. & Systems 2024-12-30 Sangmin Bae , June-Woo Kim , Won-Yang Cho , Hyerim Baek , Soyoun Son , Byungjo Lee , Changwan Ha , Kyongpil Tae , Sungnyun Kim , Se-Young Yun