Is the Notre Dame de Budapest sample set compatible with Hauptwerk?
No, the Notre Dame de Budapest Pipe Organ Samples is not compatible with the RAM-based sampler Hauptwerk. NDB Pipe Organ Samples is designed to operate with compatible data streaming samplers such as GigaStudio* or Native Instruments Kontakt.
For the .GIG (GigaStudio 3) files, GigaStudio 3 or later or compatible is required.
For the .NKI (Kontakt 2) files , Kontakt 2 or later or compatible is required.
*Note that GigaStudio is a sampler software that is discontinued and not available for purchase any more, but several other sampler software can import, interpret and load GIG files.