Check the of the document where you saw this string. It is common for researchers to cite a specific build version of the software they used for data collection to ensure reproducibility.
Search for the hash directly on GitHub to see if it belongs to a repository for a "Decibel" app. Download Decibel 1b90106 apk
Search academic databases like or Google Scholar for "Decibel app [Author Name]" to find the original software used in the study. 3. Safety Warning Check the of the document where you saw this string
: Developed by the CDC for professional-grade noise measurement. Search academic databases like or Google Scholar for
: Often used in academic papers for sound level logging. Spectroid : High-precision audio spectrum analyzer.
If you are looking for a sound measurement tool or a specific technical document, here are the most likely paths to find what you need: 1. Check Technical Repositories