Industrial Sound Level Meter Amplifier Overload Distortion Test.
The signal processing functions of amplifiers of sound level meters are tested to determine whether they contribute to distortion of the signal. Reference test requirements of NIOSH and of the American National Standards Institute are reviewed. The automated version of the industrial sound level meter amplifier overload distortion test is discussed. Test procedures and equipment are covered. Applicable calculations and analysis are reviewed.
Analytical-methods; Analytical-processes; Sound-analyzers; Noise-analysis; Noise-levels; Acoustical-measurements; Analytical-instruments;
NTIS Accession No.
Testing and Certification Branch, NIOSH, Morgantown, West Virginia, 26 pages, 2 references