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ISO 3744-2010 (R2011)
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ISO 3744-2010 (R2011)
Acoustics - Determination of Sound Power Levels and Sound Energy Levels of Noise Sources Using Sound Pressure - Engineering Methods for an Essentially Free Field Over a Reflecting PlaneMore info
Specifies methods for determining sound power level or sound energy level of a noise source from sound pressure levels measured on a surface enveloping a noise source (machinery or equipment) in an environment that approximates to an acoustic free field near 1 or more reflecting planes. Sound power level (or in the case of noise bursts or transient noise emission, the sound energy level) produced by the noise source, in frequency bands or with A-weighting, is calculated using those measurements.
| Author | ANSI |
|---|---|
| Editor | ANSI |
| Document type | Standard |
| Format | File |
| Confirmation date | 2011-03-01 |
| ICS | 17.140.01 : Acoustic measurements and noise abatement in general
|
| Replace | ANSI/ISO 3744 (1994) |
| Cross references | ANSI/ASA S 12.54 (2011), NEQ |
| Year | 2010 |
| Document history | ANSI/ISO 3744 (2010) |
| Country | USA |