LENA technology has been proven in use worldwide for close to a decade by researchers, clinicians, and interventionists. Its language statistics were validated in a large-scale study that established norms for adult words, conversational turns, and child vocalizations. Every aspect of LENA technology has been extensively tested and calibrated in use through thousands of recordings in multiple languages and widely documented in published research. Download the technical reports to read more details.
LENA - Building brains through early talk