A 1000-hour EEG-EMG-audio dataset of Japanese speech production

Fuente: arXiv
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Auteurs principaux: Sato, Motoshige, Horiguchi, Ilya, Inoue, Masakazu, Tomeoka, Kenichi, Hatakeyama, Eri, Kita, Yuya, Yamamoto, Atsushi, Fujisawa, Ippei, Sasai, Shuntaro
Format: Preprint
Publié: 2026
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author Sato, Motoshige
Horiguchi, Ilya
Inoue, Masakazu
Tomeoka, Kenichi
Hatakeyama, Eri
Kita, Yuya
Yamamoto, Atsushi
Fujisawa, Ippei
Sasai, Shuntaro
author_facet Sato, Motoshige
Horiguchi, Ilya
Inoue, Masakazu
Tomeoka, Kenichi
Hatakeyama, Eri
Kita, Yuya
Yamamoto, Atsushi
Fujisawa, Ippei
Sasai, Shuntaro
contents We present a multimodal dataset of 1020 hours of simultaneously recorded scalp electroencephalography (EEG), facial electromyography (EMG), and speech audio from three healthy native Japanese speakers during open-vocabulary overt speech. Recordings were acquired with three EEG systems-an ultra-high-density system (g.Pangolin) and two cap-type systems (g.SCARABEO and eegosports), spanning 62-128 channels-across many sessions over several months. Each session provides time-synchronized EEG, facial EMG, and audio, together with speech-event annotations and transcriptions. Although collected with speech decoding as a primary motivation, the dataset also supports work on multimodal signal processing, artifact modeling, longitudinal and cross-device adaptation, and EEG representation learning. Technical validation included power spectral density and event-related potential analyses across participants, devices, and tasks, which showed the expected 1/f spectral profile, task-related alpha-band attenuation, and time-locked evoked responses. The dataset is released in Brain Imaging Data Structure (BIDS) format via OpenNeuro under a CC0 waiver to support both speech-related and broader EEG research.
format Preprint
id arxiv_https___arxiv_org_abs_2606_01264
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle A 1000-hour EEG-EMG-audio dataset of Japanese speech production
Sato, Motoshige
Horiguchi, Ilya
Inoue, Masakazu
Tomeoka, Kenichi
Hatakeyama, Eri
Kita, Yuya
Yamamoto, Atsushi
Fujisawa, Ippei
Sasai, Shuntaro
Neurons and Cognition
Human-Computer Interaction
Sound
Audio and Speech Processing
Signal Processing
We present a multimodal dataset of 1020 hours of simultaneously recorded scalp electroencephalography (EEG), facial electromyography (EMG), and speech audio from three healthy native Japanese speakers during open-vocabulary overt speech. Recordings were acquired with three EEG systems-an ultra-high-density system (g.Pangolin) and two cap-type systems (g.SCARABEO and eegosports), spanning 62-128 channels-across many sessions over several months. Each session provides time-synchronized EEG, facial EMG, and audio, together with speech-event annotations and transcriptions. Although collected with speech decoding as a primary motivation, the dataset also supports work on multimodal signal processing, artifact modeling, longitudinal and cross-device adaptation, and EEG representation learning. Technical validation included power spectral density and event-related potential analyses across participants, devices, and tasks, which showed the expected 1/f spectral profile, task-related alpha-band attenuation, and time-locked evoked responses. The dataset is released in Brain Imaging Data Structure (BIDS) format via OpenNeuro under a CC0 waiver to support both speech-related and broader EEG research.
title A 1000-hour EEG-EMG-audio dataset of Japanese speech production
topic Neurons and Cognition
Human-Computer Interaction
Sound
Audio and Speech Processing
Signal Processing
url https://arxiv.org/abs/2606.01264