About LD Atlas
LD Atlas provides full control and real-time monitoring with the ability to download, view, generate reports and share data. The best app on the market for working with noise dosimeters, sound level meters, and human...
LD Atlas provides full control and real-time monitoring with the ability to download, view, generate reports and share data. The best app on the market for working with noise dosimeters, sound level meters, and human vibration meters.
Supports Spartan 730, 730IS, SoundAdvisor 831C and AudCal, 831-INT-ET, HVM200, Spartan 821/721, and SoundExpert 821/721 all from one app.
LD Atlas also replaces the HVM200 Control App and the AudCal Audiometric Calibration App.
For Spartan 730, 730IS, 821, and 721 these Atlas features are available only from Larson Davis:
o Full meter setup and configuration
o Real time monitoring of all meter metrics
o View file list and download data files
o View data file contents with both a tabular and graphical view
o Listen to audio recordings with optional 730-SR
o Generate pdf reports
o Share complete data file and pdf report
Previous Versions
Here you can find the changelog of LD Atlas since it was posted on our website on 2024-03-29 12:33:28.
The latest version is 1.703 and it was updated on 2026-06-29 13:42:45. See below the changes in each version.
LD Atlas version 1.703
Updated At: 2026-05-12
Changes: Updated Atlas with the features and fixes released in G4 LD Utility through version 5.5.0.
LD Atlas version 1.701
Updated At: 2025-09-04
Changes: Updated OS support to Android 15 (Vanilla Ice Cream).
Updated Atlas with the features and fixes released in G4 through version 5.3.5.
LD Atlas version 1.600
Updated At: 2024-10-30
Changes: Atlas now supports using Room Acoustics NC and RC measurements on meters with the Room Acoustics option. Applies to 831C, 721 SE and 821 SE (see G4 for required firmware versions).
Improved: Initial connection to 831C meters is now much faster and more reliable. 831C meters must have the latest firmware installed.
Fixed: Previously entered levels Custom Levels for Hearing Level and Narrow Band Noise are propagated to new test suites and can be modified from there if needed.
LD Atlas version 1.511
Updated At: 2024-08-12
Changes: Added the ability to customize the report to display or hide specific metrics or metric sections. A column of checkboxes on the right side of the report allows users to select individual metrics or metric sections. These selections can be saved in the meter’s settings or exported to a settings file for use with other meters. The checkboxes may be shown in a file view or within the meter’s settings view.
LD Atlas version 1.401.57
Updated At: 2024-05-24
Changes: • Information entered into the 'General Info' fields in the report view is now properly stored in the file and will persist when the file is opened again.
• Markers entered while the meter is running are now properly inserted into the Time History graph.
• PDF reports in character-based languages (Thai, Korean, etc.) now display correctly.
LD Atlas version 1.401.56
Updated At: 2024-05-15
Changes: Fixed issues with permissions, language selection, and scrolling in certain screens.
LD Atlas version 1.4.0
Updated At: 2024-04-30
Changes: New - Added support for 821/721 and SoundExpert 821/721 meter families.
Improved - When adding meter by IP address or host, added check for already used address/host along with other validation checks.
LD Atlas version 1.292
Updated At: 2023-04-04
Changes: Fixes for several minor issues, including for 730 and 730IS disabling the Calibration "Accept" button until the calibration is stable.
Updated AudCal audiometer calibration system with additional standards, including ANSI S3.6 (2018) and ANSI S3.6 (1989). Added booth test standard to test in compliance with New Zealand document, "Assessment of occupational noise-induced hearing loss for ACC", page 25. Added support for Canada standard to the 730 and 730IS.
Disclaimer
Official Google Play Link
We do not host LD Atlas on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
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