SEPTA — Mic Test Analyzer

Click below to allow microphone access for live recording.

If you prefer to upload an existing audio file, you can skip this step.

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The Anthropic API is overloaded right now. The test could not be completed.

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DAQ

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⚠ A/C system active during test. Elevated ambient noise expected. Result reflects real operational conditions.

SNR — Signal / Noise

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Target: > 25 dB

Voice band energy

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Target: > 90% · via Meyda FFT

Clipping / Saturation

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Max allowed: 1%

Dynamic range

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Target: > 30 dB

Spectral centroid

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Voice: 500–2000 Hz

Spectral flatness

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0=voiced · 1=noise

AI Audio Analysis

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Test information — complete before downloading report

Bus number *

Technician name *

Agency / Client

Test location

Test date *

Start time *

Rater name

A/C status: OFF — set before recording using the toggle in the recording panel