This is wave-table based software synthesizer library, which is developed for iOS app called "bs-16i" (https://itunes.apple.com/app/bismark-bs-16i/id388149926?mt=8).
This library is protected by "key code". Please notice that the key code included in this repository has expiration date. All developers have to replace it before distribution. If you would like to obtain a key code without expiration, please ask info[at]bismark.jp.