1. Speech Intelligibility in a Background Noise and Noise-induced Hearing Loss
2. American National Standards Institute (ANSI)(1974). Method for the measurement of real‐ear protection of hearing protectors and physical attenuation of earmuffs. ANSI S3.19‐1974. New York: ANSI.
3. American National Standards Institute (ANSI)(2010). Methods for the measurement of insertion loss of hearing protection devices in continuous or impulsive noise using microphone‐in‐real‐ear or acoustic test fixture procedures. ANSI S12.42‐2010. New York: ANSI.
4. American National Standards Institute (ANSI)(2014). American national standard electroacoustics – sound level meters Part 1: specifications. ANSI S1.4‐2014. New York: ANSI.
5. American National Standards Institute (ANSI)(2016). Methods for measuring the real‐ear attenuation of hearing protectors. ANSI S12.6‐2016. New York: ANSI.