Datasets:
manifest refresh (2026-05-16T13:11:55.442455+00:00)
Browse files
README.md
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@@ -49,7 +49,7 @@ signal bytes live as canonical Zarr stores on S3 and are read on demand.
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| Apples-to-apples compression vs source EEG (rows with `canonical_size_bytes` set) | **3.05×** |
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Every canonical row points at a Zarr-v3 group at
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`s3://eeg-
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with FLAC-compressed `int16` signal + parallel channel / events /
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annotations arrays. Open any one through `manifest.eegz.open_recording`
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or directly with `zarr.open(canonical_uri)` and get the same on-disk
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@@ -94,7 +94,7 @@ re-hashing those stores byte-for-byte returns 2,402 / 2,402 matches.
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```python
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from manifest.eegz import open_recording
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uri = "s3://eeg-
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rec = open_recording(uri)
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print(rec.metadata.n_channels, rec.metadata.sampling_rate_hz, rec.metadata.duration_s)
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@@ -106,7 +106,7 @@ Or with pure Zarr:
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```python
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import zarr
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store = zarr.open("s3://eeg-
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signal = store["signal"][:] # (n_channels, n_samples)
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sfreq = store.attrs["sampling_rate_hz"]
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chnames = store["channels/name"][:]
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@@ -327,8 +327,8 @@ python -m manifest.eegz convert-one \
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# Build the published manifest from the per-dataset conversion ledgers + canonical zarr.json.
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python -m manifest.eegz_to_manifest \
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--input s3://eeg-
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--output s3://eeg-
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--also-publish-latest
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# Push the manifest to this Hugging Face dataset repo.
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| Apples-to-apples compression vs source EEG (rows with `canonical_size_bytes` set) | **3.05×** |
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| 50 |
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Every canonical row points at a Zarr-v3 group at
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+
`s3://eeg-corpus-139156132535/canonical/v1/<dataset_id>/<recording_id>.eegz/`
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with FLAC-compressed `int16` signal + parallel channel / events /
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annotations arrays. Open any one through `manifest.eegz.open_recording`
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or directly with `zarr.open(canonical_uri)` and get the same on-disk
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```python
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from manifest.eegz import open_recording
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uri = "s3://eeg-corpus-139156132535/canonical/v1/hbn_eeg/<recording_id>.eegz/"
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rec = open_recording(uri)
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print(rec.metadata.n_channels, rec.metadata.sampling_rate_hz, rec.metadata.duration_s)
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```python
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import zarr
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store = zarr.open("s3://eeg-corpus-139156132535/canonical/v1/<dataset>/<rid>.eegz/", mode="r")
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signal = store["signal"][:] # (n_channels, n_samples)
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sfreq = store.attrs["sampling_rate_hz"]
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chnames = store["channels/name"][:]
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# Build the published manifest from the per-dataset conversion ledgers + canonical zarr.json.
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python -m manifest.eegz_to_manifest \
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--input s3://eeg-corpus-139156132535/manifest/latest/recordings.parquet \
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--output s3://eeg-corpus-139156132535/manifest/latest/recordings.parquet \
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--also-publish-latest
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# Push the manifest to this Hugging Face dataset repo.
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