Kontakt 4 is considered a classic iteration of the software sampler. While it has been superseded by newer versions, many producers still use it for specific legacy libraries or on older systems.
Before Kontakt 4, massive sample libraries took up enormous amounts of hard drive space. The introduction of the proprietary NCW format reduced sample sizes by up to 50% without losing quality, significantly improving disk streaming for heavy instruments like grand pianos. kontakt 4 era