Song Meter Micro Firmware

3.6 (2022-11-02)
  • Modify manufacturing diagnostics (no customer-visible changes)
3.5 (2022-10-10)
  • Improvements to calibration and signal level reporting
3.4 (2022-07-15)
  • Significantly reduced noise in recordings, SNR going from 70dB to 73dB (A-weighted).
  • Significantly improved battery life, going from 150 hours of recording time to 180 hours (using three alkaline AA batteries).
  • Now when loading a configuration with a 0 latitude and 0 longitude from an SD card, any existing coordinates are not overwritten.
  • Fixes a bug where loading a configuration with a different time zone from an SD card would not automatically adjust the clock.
3.3 (2022-06-10)
  • Fixes a rare condition in which a Micro recorder’s configuration can
    become corrupted resulting in the recorder freezing or not making proper
3.2 (2022-04-01)
  • Now more accurately ends or continues recordings at midnight as defined by the schedule blocks' date range and day duty cycle settings.
  • Changes to improve the app's ability to report the Remaining Recording Period Time accurately.
  • Improves internal diagnostic check
  • Decreases recording noise when using 6 dB gain.
  • Fixes erroneous Micro battery voltage readings after formatting a Micro SD card.
2.9 (2021-06-03)

• Improves DC offset in recordings.

• Fixes the app freezing when resetting defaults on the recorder or loading a configuration from an SD card.

• Fixes a bug where schedules with large time offsets can cause the recorder to freeze, reboot, or act erratically.

• Improves SD card status and error reporting to the app.

• Improves SD card reliability.


Initial release