Acoustics. Audiometric test methods - Sound field audiometry with pure-tone and narrow-band test signals Ingestion-build-276583 graphical information (images)

graphical information (images)

Suitable alternative materials are under consideration

7 External audit objectives

this standard specifies the general requirements that shall be met for the design and construction of new overhead lines to ensure that the line is suitable for its purpose with regard to safety of persons

staff and performers in assembly buildings of all sizes and that may help to protect the building and its contents against the effect of fire

Acoustics. Audiometric test methods - Sound field audiometry with pure-tone and narrow-band test signals Ingestion-build-276583 graphical information (images)BS EN ISO 8253 2: 2009 Acoustics. Audiometric test methods. Sound field audiometry with pure tone and narrow band test signals BS EN ISO 8253 2 specifies relevant test signal characteristics, requirements for free, diffuse, and quasi free sound fields, and procedures for sound field audiometry using pure tones, frequency modulated tones or other narrow band test signals presented by means of one or more loudspeakers. The primary purpose is the