Posted on July 13th, 2024

Smart pi SPL Version 2.2.1 is now available with the below new updates:

- 125ms Peak Measurement: Updated DSP firmware to capture peak audio values every 125 milliseconds, ensuring compliance with industry standards.
- Optimised Main Program Loop: Rewrote the main program loop to accommodate the new 125 ms sampling window for improved accuracy and implementation of various measurement windows.
- Expanded Memory Windows: Created dedicated memory windows for various measurement intervals, including 1 second, 10 minutes, 15 minutes, 60 minutes, and 90 minutes, enabling accurate LEQ and LA measurements.
- Advanced Statistical Analysis: Implemented statistical analysis for both LA10 & LA90 10- minute and 15-minute periods to provide comprehensive data insights.
- Added LA logging to Database
- Separated LEQ / LA results for exporting.
- Calibration enhancement for negative offsets
- Mulltiple Bug Fixes
- Added Zero-Tier implementation
- Added Uptime and storage space added to webpage.

It is recommend all customers update to this version