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Speech Emotion Recognition using Attention-based LSTM-Network with Residual Connection

2026-06-02 09:08:59
Daniil Krasnoproshin, Maxim Vashkevich
arXiv_CL
                 
Abstract

Speech emotion recognition is an important component of modern human-computer interaction systems. However, many state-of-the-art approaches rely on large pretrained models with high computational and memory requirements, limiting their applicability. This paper proposes ResLSTM-SA, a lightweight architecture that integrates residual connections with soft attention within an LSTM-based framework. Evaluated on the RAVDESS dataset under strict speaker-independent partitioning, the proposed model outperforms conventional attention-based LSTM baselines and several previously reported CNN- and hybrid CNN-LSTM architectures in terms of unweighted average recall (UAR). The best-performing variant (ResLSTM-SA-h64) achieves a maximum UAR of 0.6517 with only 46.8k trainable parameters, delivering competitive accuracy with three orders of magnitude fewer parameters than large-scale self-supervised alternatives, thereby enabling efficient deployment on edge devices and real-time voice assistants. The source code is available at this https URL.

Abstract (translated)

URL

https://arxiv.org/abs/2606.03359

PDF

https://arxiv.org/pdf/2606.03359.pdf

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