Acoustics - Provisional head and torso simulator for acoustic measurements on air conduction hearing aids

This technical specification outlines the construction and performance requirements for a temporary head and torso simulator designed specifically for acoustic measurements of air-conduction hearing aids. The document provides detailed guidelines on the geometric configuration, material properties, and acoustic characteristics necessary to replicate human auditory responses in laboratory settings. It defines precise methods for positioning the device within measurement environments to ensure consistent and reproducible test results. The simulator incorporates features that mimic the pinna shape, ear canal dimensions, and torso influence to accurately assess sound transmission. This resource serves as a reference for manufacturers and testing laboratories aiming to evaluate hearing aid efficiency under standardized conditions. By adhering to these specifications, professionals can achieve uniform data across different testing facilities. The guidelines facilitate comparisons between different devices and support regulatory compliance processes. The document focuses exclusively on the physical and acoustic parameters of the simulator without addressing broader clinical applications or specific product branding.