Sound Level Meter with ESP32 and I2S MEMS microphone
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Updated
Jul 19, 2021 - C++
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a-weighting
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Logs USB microphone audio input stream and allows calibration to 94dB. Detects dBA noise peaks. A-Weighting filter used from [waveform-analysis] (https://github.com/endolith/waveform-analysis). Logs noise events in local wave files upon occurrence. Timestamp in filename as well as dbA Peak value. A jenkins pipeline is provided as well.
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Updated
Aug 27, 2025 - Python
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