John Usher;Steven W. Goldstein;John P. Keady;Brian Fligor
发明人:
Steven W. Goldstein,John Usher,Brian Fligor,John P. Keady
申请号：
US11928621
公开号：
US08199919B2
申请日:
2007.10.30
申请国别(地区):
US
年份:
2012
代理人:
摘要：
Methods of operating an audio device are provided. A method includes measuring sound pressure levels (SPLECM) for acoustic energy received by an ear canal microphone (ECM) during a time increment Δt； and calculating a SPL_DoseΔt during the time increment Δt using SPLECM.
