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The short-time Fourier transform (STFT) is widely used for analyzing non-stationary signals. However, its performance is highly sensitive to its parameters, and manual or heuristic tuning often yields suboptimal results. To overcome this…

Sound · Computer Science 2025-06-27 Maxime Leiber , Yosra Marnissi , Axel Barrau , Sylvain Meignen , Laurent Massoulié

This paper introduces MR-CQTdiff, a novel neural-network architecture for diffusion-based audio generation that leverages a multi-resolution Constant-$Q$ Transform (C$Q$T). The proposed architecture employs an efficient, invertible CQT…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-23 Maurício do V. M. da Costa , Eloi Moliner

Speech emotion recognition (SER) is crucial for enhancing affective computing and enriching the domain of human-computer interaction. However, the main challenge in SER lies in selecting relevant feature representations from speech signals…

Sound · Computer Science 2024-12-16 Niloy Kumar Kundu , Sarah Kobir , Md. Rayhan Ahmed , Tahmina Aktar , Niloya Roy

Foundation models have shown superior performance for speech emotion recognition (SER). However, given the limited data in emotion corpora, finetuning all parameters of large pre-trained models for SER can be both resource-intensive and…

Audio and Speech Processing · Electrical Eng. & Systems 2024-04-02 Nineli Lashkarashvili , Wen Wu , Guangzhi Sun , Philip C. Woodland

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

Speech Emotion Recognition (SER) is the use of machines to detect the emotional state of humans based on the speech, which is gaining importance in natural human-computer interaction. Speech is a very valuable source of information, as…

Speech super-resolution (SSR) enhances low-resolution speech by increasing the sampling rate. While most SSR methods focus on magnitude reconstruction, recent research highlights the importance of phase reconstruction for improved…

In recent years, speech emotion recognition (SER) has been used in wide ranging applications, from healthcare to the commercial sector. In addition to signal processing approaches, methods for SER now also use deep learning techniques.…

Audio and Speech Processing · Electrical Eng. & Systems 2021-05-06 Sneha Das , Nicole Nadine Lønfeldt , Anne Katrine Pagsberg , Line H. Clemmensen

Speech emotion recognition (SER) has drawn increasing attention for its applications in human-machine interaction. However, existing SER methods ignore the information gap between the pre-training speech recognition task and the downstream…

Sound · Computer Science 2023-10-03 Dongyuan Li , Yusong Wang , Kotaro Funakoshi , Manabu Okumura

In this paper, we propose a method to improve the accuracy of speech emotion recognition (SER) by using vision transformer (ViT) to attend to the correlation of frequency (y-axis) with time (x-axis) in spectrogram and transferring…

Sound · Computer Science 2024-11-05 Jeong-Yoon Kim , Seung-Ho Lee

In recent years, the synchrosqueezing transform (SST) has gained popularity as a method for the analysis of signals that can be broken down into multiple components determined by instantaneous amplitudes and phases. One such version of SST,…

Numerical Analysis · Mathematics 2017-09-20 Alexander Berrian , Naoki Saito

The practical utility of Speech Emotion Recognition (SER) systems is undermined by their fragility to domain shifts, such as speaker variability, the distinction between acted and naturalistic emotions, and cross-corpus variations. While…

Audio and Speech Processing · Electrical Eng. & Systems 2026-01-26 Jiaheng Dong , Hong Jia , Ting Dang

Speech is a natural means of conveying emotions, making it an effective method for understanding and representing human feelings. Reliable speech emotion recognition (SER) is central to applications in human-computer interaction,…

Sound · Computer Science 2026-03-03 Faria Ahmed , Rafi Hassan Chowdhury , Fatema Tuz Zohora Moon , Sabbir Ahmed

Affective computing is very important in the relationship between man and machine. In this paper, a system for speech emotion recognition (SER) based on speech signal is proposed, which uses new techniques in different stages of processing.…

Sound · Computer Science 2021-11-16 Fatemeh Daneshfar , Seyed Jahanshah Kabudian

Audio signal processing frequently requires time-frequency representations and in many applications, a non-linear spacing of frequency-bands is preferable. This paper introduces a framework for efficient implementation of invertible signal…

Functional Analysis · Mathematics 2013-05-17 Nicki Holighaus , Monika Dörfler , Gino Angelo Velasco , Thomas Grill

Speech Emotion Recognition (SER) has become a growing focus of research in human-computer interaction. Spatiotemporal features play a crucial role in SER, yet current research lacks comprehensive spatiotemporal feature learning. This paper…

Sound · Computer Science 2023-12-29 Mengbo Li , Yuanzhong Zheng , Dichucheng Li , Yulun Wu , Yaoxuan Wang , Haojun Fei

Speech emotion recognition~(SER) refers to the technique of inferring the emotional state of an individual from speech signals. SERs continue to garner interest due to their wide applicability. Although the domain is mainly founded on…

Audio and Speech Processing · Electrical Eng. & Systems 2022-03-29 Sneha Das , Nicklas Leander Lund , Nicole Nadine Lønfeldt , Anne Katrine Pagsberg , Line H. Clemmensen

With the widespread of user-generated Internet videos, emotion recognition in those videos attracts increasing research efforts. However, most existing works are based on framelevel visual features and/or audio features, which might fail to…

Computer Vision and Pattern Recognition · Computer Science 2016-08-04 Haimin Zhang , Min Xu

Despite the recent progress in speech emotion recognition (SER), state-of-the-art systems are unable to achieve improved performance in cross-language settings. In this paper, we propose a Multimodal Dual Attention Transformer (MDAT) model…

Computation and Language · Computer Science 2023-07-17 Syed Aun Muhammad Zaidi , Siddique Latif , Junaid Qadir

Speech emotion recognition (SER) with audio-language models (ALMs) remains vulnerable to distribution shifts at test time, leading to performance degradation in out-of-domain scenarios. Test-time adaptation (TTA) provides a promising…

Sound · Computer Science 2026-02-05 Jiacheng Shi , Hongfei Du , Y. Alicia Hong , Ye Gao