DIN EN ISO 7779/A1

Acoustics - Measurement of airborne noise emitted by information technology and telecommunications equipment; Amendment A1: Noise measurement specification for CD/DVD-ROM drives (ISO 7779:1999/A1:2003); German version EN ISO 7779:2001/A1:2003

2003-09-00

Hết hiệu lực

EN ISO 7779/A1 (2003-03), IDT * ISO 7779 AMD 1 (2003-03), IDT

DIN EN ISO 7779 (2002-10)

DIN EN ISO 7779/A1 (2001-06)

DIN EN ISO 7779 (2011-01)

DIN EN ISO 7779 (2011-01) * DIN EN ISO 7779/A1 (2003-09) * DIN EN ISO 7779/A1 (2001-06)

Acoustic measurement * Acoustic testing * Acoustics * Airborne noise * Airborne noise emitted * Airborne sound * Cables * Calibration * CD-player * CD-ROM * Clay fraction * Comparison * Computer hardware * Computers * Corrrections * Data * Data processing * Data processing equipment * Definitions * Determination * Disk drives * DVD * Enveloping surface methods * Environment * External noise * Filters * Free fields * Frequencies * Handling * Information technology * Input voltage * Installations * Instruments * Layout * Loudness levels * Machine noise * Machines * Measurement * Measurement duration * Measuring banks * Measuring environment * Measuring instruments * Measuring rooms * Measuring surfaces * Measuring systems * Measuring uncertainty * Methods * Microphones * Moisture * Noise * Noise control * Noise emissions * Noise (environmental) * Noise measurements * Office equipment * Office machines * Operating conditions * Operating stations * Operation * Operators * PC * Personal computers * Precision * Pressure * Printers * Reflection * Reverberation room method * Reverberation rooms * Rotation * Sitting * Sound intensity * Sound level * Sound pressure * Sound pressure level * Sound sources * Tables * Telecommunications * Temperature * Terminals * Testing * Type of unit * Working places * Processes * Trolley assemblies * Engines * Running gears * Procedures * Volume (sound) * Sound levels * Extraneous noise

17.140.20. Tiếng ồn do máy và thiết bị
35.020. Công nghệ thông tin nói chung

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