About this app
In this calculation-app you can make all your basic audio-calculations. How long is a 80 Hertz wave? How long time does it take for sound to travel 87 meters/285.4 feet in 10 degrees celcius/50 degrees fahrenheit? This calculator can show and calculate in both Celcius, Meter, Fahrenheit and Feet. You can also calculate Room Mode to get a quick estimate of which frequencies might be a problem in your room/arena. After you've done your calculations, use the build in Notepad to summaries your calculations and do the necessary adjustments. Are you backstage? Turn on Dark Mode to be less visible. This app is created out of the love of good sound quality.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 11, 2026 · 8:25 PM Free
Screenshots
