Drop your file here
or click to browse — supports .csv, .txt, .xlsx, .xls
3 channels · 10 seconds · 500 Hz · No file needed
filename.csv
Parsing file…
Excel Sheets
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All Sheets Overview
Data Preview
Preview Heuristics not research-grade QC
Residual dB is a moving-average residual heuristic, not physiological SNR. Hover each metric for the exact formula and caveats.
Configure & Analyze
Set a filter preset per channel:
Filters ⓘ
Removes baseline wander & DC offset
Removes high-freq noise & EMG artefacts
Removes powerline interference
Zero-phase filtering runs forward and backward. High-pass and low-pass cutoffs are compensated so the final double-pass response lands near the cutoff you enter; notch filters keep the entered center frequency and bandwidth.
Starting DSP…
Zero-phase Butterworth filter · LTTB downsampling · all local
Signal Chart
🖱 Scroll to zoom · Drag to pan · Pinch on mobile
Generic local-extrema finder only. These counts are not validated R-peaks, spikes, bursts, or onset events.
ROI Analysis
| Channel | Min | Max | Mean | Std Dev | RMS | P-P | Extrema | Duration |
|---|
Signal Statistics
Computed on the active analysis signal| Channel | Min | Max | Mean | Median | Std Dev | RMS | P-P | Energy | Duration |
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Frequency Analysis (PSD)
Band Summary