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Acoustic environments affect acoustic characteristics of sound to be recognized by physically interacting with sound wave propagation. Thus, training acoustic models for audio and speech tasks requires regularization on various acoustic…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-08 Hyeonuk Nam , Seong-Hu Kim , Yong-Hwa Park

In this paper, we propose an effective sound event detection (SED) method based on the audio spectrogram transformer (AST) model, pretrained on the large-scale AudioSet for audio tagging (AT) task, termed AST-SED. Pretrained AST models have…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-08 Kang Li , Yan Song , Li-Rong Dai , Ian McLoughlin , Xin Fang , Lin Liu

In acoustic scene classification (ASC), acoustic features play a crucial role in the extraction of scene information, which can be stored over different time scales. Moreover, the limited size of the dataset may lead to a biased model with…

Audio and Speech Processing · Electrical Eng. & Systems 2021-06-17 Hangting Chen , Zuozhen Liu , Zongming Liu , Pengyuan Zhang

The discrepancy between the cost function used for training a speech enhancement model and human auditory perception usually makes the quality of enhanced speech unsatisfactory. Objective evaluation metrics which consider human perception…

Sound · Computer Science 2021-06-07 Szu-Wei Fu , Cheng Yu , Tsun-An Hsieh , Peter Plantinga , Mirco Ravanelli , Xugang Lu , Yu Tsao

This paper proposes Scyclone, a high-quality voice conversion (VC) technique without parallel data training. Scyclone improves speech naturalness and speaker similarity of the converted speech by introducing CycleGAN-based spectrogram…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-08 Masaya Tanaka , Takashi Nose , Aoi Kanagaki , Ryohei Shimizu , Akira Ito

Audio classification is vital in areas such as speech and music recognition. Feature extraction from the audio signal, such as Mel-Spectrograms and MFCCs, is a critical step in audio classification. These features are transformed into…

Sound · Computer Science 2023-07-06 C. S. Sonali , Chinmayi B S , Ahana Balasubramanian

Most of the existing studies on voice conversion (VC) are conducted in acoustically matched conditions between source and target signal. However, the robustness of VC methods in presence of mismatch remains unknown. In this paper, we report…

Sound · Computer Science 2016-12-23 Monisankha Pal , Dipjyoti Paul , Md Sahidullah , Goutam Saha

In this work, we conduct an in-depth analysis of two frequency-dependent methods for sound event detection (SED): FilterAugment and frequency dynamic convolution (FDY conv). The goal is to better understand their characteristics and…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-28 Hyeonuk Nam , Seong-Hu Kim , Deokki Min , Byeong-Yun Ko , Yong-Hwa Park

This study presents a novel transfer learning approach and data augmentation technique for mental stability classification using human voice signals and addresses the challenges associated with limited data availability. Convolutional…

Sound · Computer Science 2026-01-26 Rafiul Islam , Md. Taimur Ahad

Traditional voice conversion methods rely on parallel recordings of multiple speakers pronouncing the same sentences. For real-world applications however, parallel data is rarely available. We propose MelGAN-VC, a voice conversion method…

Audio and Speech Processing · Electrical Eng. & Systems 2019-12-06 Marco Pasini

The last decade has witnessed significant advancements in deep learning-based speech enhancement (SE). However, most existing SE research has limitations on the coverage of SE sub-tasks, data diversity and amount, and evaluation metrics. To…

Audio and Speech Processing · Electrical Eng. & Systems 2024-09-25 Wangyou Zhang , Robin Scheibler , Kohei Saijo , Samuele Cornell , Chenda Li , Zhaoheng Ni , Anurag Kumar , Jan Pirklbauer , Marvin Sach , Shinji Watanabe , Tim Fingscheidt , Yanmin Qian

This paper proposes an active learning system for sound event detection (SED). It aims at maximizing the accuracy of a learned SED model with limited annotation effort. The proposed system analyzes an initially unlabeled audio dataset, from…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-10 Shuyang Zhao , Toni Heittola , Tuomas Virtanen

Being a cross-camera retrieval task, person re-identification suffers from image style variations caused by different cameras. The art implicitly addresses this problem by learning a camera-invariant descriptor subspace. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2018-04-11 Zhun Zhong , Liang Zheng , Zhedong Zheng , Shaozi Li , Yi Yang

Speech Emotion Recognition (SER) traditionally relies on auditory data analysis for emotion classification. Several studies have adopted different methods for SER. However, existing SER methods often struggle to capture subtle emotional…

Sound · Computer Science 2026-01-23 HyeYoung Lee , Muhammad Nadeem

Emotional Voice Conversion (EVC) aims to convert the emotional style of a source speech signal to a target style while preserving its content and speaker identity information. Previous emotional conversion studies do not disentangle…

Sound · Computer Science 2021-07-20 Xiangheng He , Junjie Chen , Georgios Rizos , Björn W. Schuller

Automatic speech emotion recognition (SER) is a challenging task that plays a crucial role in natural human-computer interaction. One of the main challenges in SER is data scarcity, i.e., insufficient amounts of carefully labeled data to…

Sound · Computer Science 2021-08-17 Sarala Padi , Seyed Omid Sadjadi , Dinesh Manocha , Ram D. Sriram

We propose a benchmark of state-of-the-art sound event detection systems (SED). We designed synthetic evaluation sets to focus on specific sound event detection challenges. We analyze the performance of the submissions to DCASE 2021 task 4…

Objective: We used deep convolutional neural networks (DCNNs) to classify electroencephalography (EEG) signals in a steady-state visually evoked potentials (SSVEP) based single-channel brain-computer interface (BCI), which does not require…

Signal Processing · Electrical Eng. & Systems 2021-03-19 Pedro R. A. S. Bassi , Willian Rampazzo , Romis Attux

To improve device robustness, a highly desirable key feature of a competitive data-driven acoustic scene classification (ASC) system, a novel two-stage system based on fully convolutional neural networks (CNNs) is proposed. Our two-stage…

This paper proposes sound event localization and detection methods from multichannel recording. The proposed system is based on two Convolutional Recurrent Neural Networks (CRNNs) to perform sound event detection (SED) and time difference…

Audio and Speech Processing · Electrical Eng. & Systems 2019-10-23 Francois Grondin , James Glass , Iwona Sobieraj , Mark D. Plumbley