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Emotion recognition from audio signals has been regarded as a challenging task in signal processing as it can be considered as a collection of static and dynamic classification tasks. Recognition of emotions from speech data has been…

Sound · Computer Science 2020-09-21 Soham Chattopadhyay , Arijit Dey , Hritam Basak

Speech Emotion Recognition (SER) has emerged as a critical component of the next generation human-machine interfacing technologies. In this work, we propose a new dual-level model that predicts emotions based on both MFCC features and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-07-24 Jianyou Wang , Michael Xue , Ryan Culhane , Enmao Diao , Jie Ding , Vahid Tarokh

Speech emotion recognition aims to identify emotional states from speech signals and has been widely applied in human-computer interaction, education, healthcare, and many other fields. However, since speech data contain rich sensitive…

Sound · Computer Science 2025-12-23 Zhao Ren , Rathi Adarshi Rammohan , Kevin Scheck , Tanja Schultz

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

Dimensionality reduction techniques map data represented on higher dimensions onto lower dimensions with varying degrees of information loss. Graph dimensionality reduction techniques adopt the same principle of providing latent…

Machine Learning · Computer Science 2022-11-11 Akhil Pandey Akella

Recent innovations in self-supervised representation learning have led to remarkable advances in natural language processing. That said, in the speech processing domain, self-supervised representation learning-based systems are not yet…

Computation and Language · Computer Science 2022-03-02 Hagai Aronowitz , Itai Gat , Edmilson Morais , Weizhong Zhu , Ron Hoory

Emotion recognition is a critical task in human-computer interaction, enabling more intuitive and responsive systems. This study presents a multimodal emotion recognition system that combines low-level information from audio and text,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-23 Shamin Bin Habib Avro , Taieba Taher , Nursadul Mamun

Due to improvements in artificial intelligence, speaker identification (SI) technologies have brought a great direction and are now widely used in a variety of sectors. One of the most important components of SI is feature extraction, which…

Sound · Computer Science 2021-12-16 Noor Ahmad Al Hindawi , Ismail Shahin , Ali Bou Nassif

Sentence embeddings produced by Pretrained Language Models (PLMs) have received wide attention from the NLP community due to their superior performance when representing texts in numerous downstream applications. However, the high…

Computation and Language · Computer Science 2024-03-22 Gaifan Zhang , Yi Zhou , Danushka Bollegala

The performance of speech emotion recognition (SER) is limited by the insufficient emotion information in unimodal systems and the feature alignment difficulties in multimodal systems. Recently, multimodal large language models (MLLMs) have…

Sound · Computer Science 2025-09-22 Yiqing Yang , Man-Wai Mak

Text encodings from automatic speech recognition (ASR) transcripts and audio representations have shown promise in speech emotion recognition (SER) ever since. Yet, it is challenging to explain the effect of each information stream on the…

Large-scale numerical simulations often produce high-dimensional gridded data that is challenging to process for downstream applications. A prime example is numerical weather prediction, where atmospheric processes are modeled using…

Machine Learning · Computer Science 2025-02-10 Jieyu Chen , Kevin Höhlein , Sebastian Lerch

Most end-to-end speech recognition systems model text directly as a sequence of characters or sub-words. Current approaches to sub-word extraction only consider character sequence frequencies, which at times produce inferior sub-word…

Computation and Language · Computer Science 2019-02-22 Hainan Xu , Shuoyang Ding , Shinji Watanabe

Language model fusion helps smart assistants recognize words which are rare in acoustic data but abundant in text-only corpora (typed search logs). However, such corpora have properties that hinder downstream performance, including being…

Computation and Language · Computer Science 2022-06-16 W. Ronny Huang , Cal Peyser , Tara N. Sainath , Ruoming Pang , Trevor Strohman , Shankar Kumar

In Speech Emotion Recognition (SER), textual data is often used alongside audio signals to address their inherent variability. However, the reliance on human annotated text in most research hinders the development of practical SER systems.…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-30 Yuanchao Li , Zeyu Zhao , Ondrej Klejch , Peter Bell , Catherine Lai

Despite notable progress, speech emotion recognition (SER) remains challenging due to the intricate and ambiguous nature of speech emotion, particularly in wild world. While current studies primarily focus on recognition and generalization…

Sound · Computer Science 2024-03-25 Yu Pan , Yuguang Yang , Yuheng Huang , Jixun Yao , Jingjing Yin , Yanni Hu , Heng Lu , Lei Ma , Jianjun Zhao

Compressed sensing techniques enable efficient acquisition and recovery of sparse, high-dimensional data signals via low-dimensional projections. In this work, we propose Uncertainty Autoencoders, a learning framework for unsupervised…

Machine Learning · Statistics 2019-04-15 Aditya Grover , Stefano Ermon

Speech Emotion Recognition (SER) is becoming a key role in global business today to improve service efficiency, like call center services. Recent SERs were based on a deep learning approach. However, the efficiency of deep learning depends…

Speech emotion recognition (SER) has long benefited from the adoption of deep learning methodologies. Deeper models -- with more layers and more trainable parameters -- are generally perceived as being `better' by the SER community. This…

Sound · Computer Science 2025-08-05 Andreas Triantafyllopoulos , Anton Batliner , Björn W. Schuller

Emotion classification of speech and assessment of the emotion strength are required in applications such as emotional text-to-speech and voice conversion. The emotion attribute ranking function based on Support Vector Machine (SVM) was…

Sound · Computer Science 2022-06-16 Rui Liu , Berrak Sisman , Björn Schuller , Guanglai Gao , Haizhou Li