Cox, Johnson, and Alexander (2012) report cochlear dead regions (DRs) occur when inner hair cells at a given frequency are lost or malfunctioning. Previous publications have suggested hearing-aid high-frequency gain should be attenuated in the presence of high frequency DRs.
Precondition for a VdS approval procedure, among others, is proof of a certified quality management system in accordance with DIN EN ISO 9001 for the manufacturing facility of the product.
A Title-V Annual Compliance Certification Report is a report certifying the source Ës compliance. status with all permit terms and conditions and any other state or federal applicable requirements. relevant to the source. It is reporting requirement of the Title-V State Operating Permit, issued.