iZotope Nectar 4 Advanced is the most comprehensive vocal production suite available, combining AI-powered intelligence with professional-grade processing tools. The AI Vocal Assistant analyzes your vocal and builds a custom processing chain in seconds, while tools like pitch correction, spectral shaping, Backer harmony generation, and the Unison doubling effect give you complete creative control. Winner of the Plugin Boutique Awards 2023 for best vocal plugin, Nectar 4 Advanced is the go-to choice for producers and engineers who demand the highest quality vocal sound.