The 3DTI Toolkit is available on a public GitHub repository (https://github.com/3DTune-In/3dti_AudioToolkit) under a GPLv3 licence. It consists of a C++ library which uses only platform-independent code from the standard template library. The only third-party library integrated in the 3DTI Toolkit is the Takuya Ooura General Purpose FFT. All file read and write operations are provided in an optional separate package (see Additional tools).

The 3DTI Toolkit is available on a public GitHub repository (https://github.com/3DTune-In/3dti_AudioToolkit) under a GPLv3 licence. It consists of a C++ library which uses only platform-independent code from the standard template library. The only third-party library integrated in the 3DTI Toolkit is the Takuya Ooura General Purpose FFT [110]. All file read and write operations are provided in an optional separate package (see Additional tools)

The 3DTI Toolkit has been successfully tested in the Windows, MacOS, Linux, Android and iOS operating systems. A complete example project on how to build a simple application which uses the 3DTI Toolkit to spatialise audio is shared (https://github.com/3DTune-In/3dti_AudioToolkit_Examples) under GPLv3 as well.

The 3DTI Toolkit has also been partially embedded in JavaScript through transcompilation (functions such as reverberation and reading of SOFA and.3dti files containing HRTFs are not yet supported). The JavaScript wrapper available as open-source in another GitHub repository (https://github.com/3DTune-In/3dti_AudioToolkit_JavaScript), and has been used to create a web-based version of the 3DTI Toolkit, available at http://online-toolkit.3d-tune-in.eu/.

A 3DTI Toolkit release as Unity3D package has also been created, but is currently being evaluated, and not yet available to the general public. If interested in this release, please contact the authors.

Finally, a set of demonstrator test applications, presented in section Additional tools, have been released which allow users to access the 3DTI Toolkit features through a simple but comprehensive user interface. The test applications can be downloaded from the GitHub repository (https://github.com/3DTune-In/3dti_AudioToolkit/releases) and are available for the Windows, MacOS and Linux operative systems. In addition, an audio samples are available in the public repository where the spatialisation capabilities of the 3DTI Toolkit can be

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