- Added support for rectangular bassreflex shape
- Improved and bugfixed manual values entering
- Fixed bug of manual language change
- Soften of spinner positioning
- Minimal reqs. had to be changed to Android 4.0
This app can be used for vented speaker box design (bassreflex tube length calculation) or for reverse analysis of existing solutions.
Wikipedia: A bass reflex system (also known as a ported, vented box or reflex port) is a type of loudspeaker enclosure that uses the sound from the rear side of the diaphragm to increase the efficiency of the system at low frequencies as compared to a typical closed box loudspeaker or an infinite baffle mounting.