Instruments for measurement of wow rate, speed oscillation and extraneous amplitude modulation factors, and speed drift for sound recording and reproduction equipment
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Occupational safety standards system. Ultrasound. General safety requirements
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Occupational safety standards system. Ultrasound. General safety requirements
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Occupational safety standards system. Noise. Determination of noise characteristics of noise sources in a free-field over reflecting plane. Engineering method
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Occupational safety standards system. Noise. Determination of noise characteristics of noise sources in reverberation room. Engineering method
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Frequencies for acoustic measurements. Preferred rows
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Acoustics instruments for determination of physical and chemical characteristics and structures of substances. Terms and definitions
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Unified system of design documentation. Graphical symbols in diagrams. Acoustic devices
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Sonar equipments. Terms and definitions
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Devices multiposition counting indicated and switching. Basic parameters
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Noise. Methods of noise measurement in residential areas and in the rooms of residential, public and community buildings
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Noise. Methods of noise measurement in residential areas and in the rooms of residential, public and community buildings
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