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Paper ID:IJSREM64042

Robust Voice Activity Detection and Emotion Recognition using Machine Learning and LLM-based Framework

Stream/Area:

-

Subject:

-

Paper ID:

IJSREM64042

Volume:

10 |

5 |

May 2026

Pages:

1-6

Publication Frequency:

Monthly (12 issues per year)

DOI
Digital Object Identifier
10.55041/IJSREM64042

License:International Journal of Scientific Research in Engineering and Management follows the Creative Commons Attribution 4.0 (CC BY 4.0) License, allowing free use and distribution with proper attribution.

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Authors

AT

Amishree Turakhia

Department of Artificial Intelligence & Data Science (AI&DS)

ISB&M College Of Engineering,,Pune ,Maharashtra

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RS

Ria Singh

Department of Artificial Intelligence & Data Science (AI&DS)

ISB&M College Of Engineering,,Pune ,Maharashtra

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SP

Sanchita Pandey

Department of Artificial Intelligence & Data Science (AI&DS)

ISB&M College Of Engineering,,Pune ,Maharashtra

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Mentors

P.K

Prof .Satyam Kanawade

Department of Artificial Intelligence & Data Science (AI&DS)

ISB&M College Of Engineering,,Pune ,Maharashtra

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Abstract

Speech Emotion Recognition (SER) plays a vital role in enhancing human–computer interaction by enabling systems to interpret emotions from voice signals. This paper presents a voice-activated detection system for real-time emotion recognition using a combination of traditional machine learning techniques and transformer-based models. The system processes speech input and extracts acoustic features such as MFCC, ZCR, and RMS energy along with contextual embeddings generated using Wav2Vec2. A Random Forest classifier is used for efficient multi-class emotion classification, identifying emotions such as angry, happy, sad, surprised,etc. The model is trained on standard datasets like RAVDESS and CREMA-D to ensure robustness and generalization. The system supports real-time predictions through a web-based interface and demonstrates improved accuracy, especially in noisy conditions. It has applications in healthcare, customer analytics, education, and intelligent systems, with future scope for deep learning integration and scalable deployment.

KEYWORDS

LLM-based

Cite This Article

Amishree Turakhia, Ria Singh, Sanchita Pandey, Prof .Satyam Kanawade, "Robust Voice Activity Detection and Emotion Recognition using Machine Learning and LLM-based Framework," International Journal of Scientific Research in Engineering and Management, vol. 10, no. 5, pp. 1-6, May 2026. https://doi.org/10.55041/IJSREM64042

Full Article/Conclusion

This research presents a robust voice-activated detection system for real-time speech emotion recognition by integrating traditional acoustic feature extraction with transformer-based embeddings. The system effectively captures both spectral and contextual information from speech signals and classifies emotions with satisfactory accuracy and low latency. Experimental results demonstrate improved performance compared to conventional methods, especially in real-time scenarios. The proposed approach offers a scalable and practical solution for applications in healthcare, customer service, education, and intelligent human–computer interaction. With further enhancements such as deep learning integration, noise robustness, and multimodal analysis, the system has strong potential to evolve into a highly efficient and adaptive emotion-aware framework for real-world deployment.

References

1.                [1 S. Sharma and R. Singh, “Speech Emotion Recognition using MFCC and SVM Classifier,” International Journal of Advanced Research in Computer Science, vol. 11, no. 4, pp. 135–141, 2020. 2.                A. Latif, S. Rana, J. Qadir and S. A. Khokhar, “Leveraging Wav2Vec2.0 for Speech Emotion Recognition,” IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), pp. 6349–6353, 2021. 3.                A. Tripathi, P. Gupta and V. K. Jain, “CNN–RNN Hybrid Architecture for Speech Emotion Recognition,” International Conference on Machine Learning, Big Data, Cloud and Parallel Computing (COM-IT-CON), 2022, pp. 541–547. 4.                J. Park and H. Lee, “Wav2Vec2-Based Robust Voice Activity Detection in Noisy and Multilingual Environments,” IEEE Access, vol. 11, pp. 45683–45693, 2023. 5.                R. Shah and M. Patel, “Transformer-Based Joint Emotion and Speech Detection Using Contextual Embeddings,” Journal of Artificial Intelligence and Data Mining, vol. 12, no. 2, pp. 78–87, 2024. 6.                J. Kaur and S. Verma, “Multimodal Emotion Recognition from Speech Using Acoustic and Semantic Features,” International Journal of Speech Technology, vol. 27, pp. 423–435, 2024. 7.                E. S. Khudse and M. S. Gawande, “A Comprehensive Review of Speech Emotion Recognition Techniques,” International Journal of Speech Science and Technology, vol. 8, no. 3, pp. 101–114, 2023. 8.                S. Davis and P. Mermelstein, “Comparison of Parametric Representations for Monosyllabic Word Recognition in Continuously Spoken Sentences,” IEEE Transactions on Acoustics, Speech, and Signal Processing, vol. 28, no. 4, pp. 357–366, 1980. 9.                A. Graves, “Supervised Sequence Labelling,” in Supervised Sequence Labelling with Recurrent Neural Networks, Springer, 2012, pp. 5–13. 10.             A. Van den Oord, S. Dieleman, H. Zen, et al., “Wavenet: A Generative Model for Raw Audio,” arXiv preprint arXiv:1609.03499, 2016.

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Publication Date

6/1/2026

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