The APM Tool Lite application for Android allows you to measure the Acoustical Parameter of your room using your smartphone: it is a tool for acousticians and music engineers that can be used to determine the sound quality of a room and to test the level of bass and the effectiveness of the speakers.

The application is based on a digital microphone, a sound amplifier, a digital signal processing (DSP) and a fast algorithm for calculating the sound level in each band of a given frequency.

It is a tool for acousticians and music engineers, and it can be used for both professional and personal needs: it is easy to use and it is fast to obtain the results.

This is an important tool for acousticians and music engineers, and it can be used to determine the sound quality of a room and to test the level of bass and the effectiveness of the speakers.