ASA S12.58-2012 (R2019) PDF

ASA S12.58-2012 (R2019) PDF

Name:
ASA S12.58-2012 (R2019) PDF

Published Date:
08/23/2012

Status:
[ Withdrawn ]

Description:

American National Standard Sound Power Level Determination Sources Using a Single-source Position

Publisher:
Acoustical Society of America Standards

Document status:
Active

Format:
Electronic (PDF)

Delivery time:
10 minutes

Delivery time (for Russian version):
200 business days

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This American National Standard describes a method for the determination of sound power levels of noise sources that emit broadband sound and/or discrete frequency sounds/tones using reverberation rooms. The standard applies when it is either undesirable or unfeasible to move the source to decrease the uncertainty of the measurement. The method described requires reverberation room pre-qualification through test and requires the use of the comparison method to determine sound power levels. This standard specifies the physical environment, procedures, and equipment used to qualify the reverberation room by test. Pre-qualifying the room ensures adequate modal density for the use of one source location to obtain acceptable accuracy and repeatability of results. The reference sound source (RSS) used for the comparison method relies on AHRI Standard 250 to accurately describe the requirements for and characterize sound power of the RSS at all frequencies of interest.
ANSI : ANSI Approved
Number of Pages : 32
Published : 08/23/2012

History


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