Evaluation of MPEG-4 AAC Audio Codec Using EEG and EMG Signals for Use with DICOM® Neurophysiology

Figures

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  Fig. 1. EEGnet output results: the scores for each EEG segment (illustrated by green bars) and their corresponding PRD values (shown by the blue line) (Adapted from Filippo Battaglia, Neurophysiology Signal Codecs for the DICOM® Standard: Preliminary Results. Presented at the 2024 IEEE International Symposium on Medical Measurements and Applications (MeMeA); published by IEEE. © Copyright 2025 IEEE - All rights reserved, including rights for text and data mining and training of artificial intelligence and similar technologies. Reprinted with permission from IEEE Proceedings)

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  Fig. 2. EEGnet output results: the scores for each EMG segment (illustrated by green bars) and their corresponding PRD values (shown by the blue line)

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  Fig. 3. Power of the errors (\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\mathcal {E}_{i,X}$$\end{document}) related to all EEG signals

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  Fig. 4. Power of the errors (\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\mathcal {E}_{i,X}$$\end{document}) related to EEG signals in Group 1

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  Fig. 5. Power of the errors (\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\mathcal {E}_{i,X}$$\end{document}) related to EEG signals in Group 2

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  Fig. 6. Power of the errors (\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\mathcal {E}_{i,X}$$\end{document}) related to EMG signals in Group 3

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  Fig. 7. Extended EMG analysis showing the power of the errors \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\mathcal {E}_{i,X}$$\end{document} across six spectral bands, including the additional high-gamma range (100–400 Hz)