In any legal proceeding of any nature, the quantities and qualities of noise may be proved by evidence of tests made with any instrument designed and constructed to measure and indicate or record the presence of sound, including such devices commonly called sound level meters and frequency analyzers.
§ 10-911
Md. Code, Courts and Judicial Proceedings § 10-911, under Article — Courts and Judicial Proceedings.
Md. Code, Courts and Judicial Proceedings § 10-911