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ANSI S12.69 : 2010

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

PROCEDURE FOR TESTING RAILROAD HORNS EX SITU
Available format(s)

Hardcopy , PDF

Superseded date

07-13-2019

Language(s)

English

Published date

01-01-2015

1 Scope
2 Normative references
3 Terms and definitions
4 Measurement of the horn mounting
  transfer function
5 Calculation of horn output sound
  pressure level for compliance with
  49 CFR Part 229.129
Bibliography

Defines an alternative test procedure to produce horn sound level data equivalent to that produced by the in situ procedure in 49 CFR Part 229.129.

Committee
S12
DocumentType
Standard
Pages
18
ProductNote
Reconfirmed 2010
PublisherName
Acoustical Society of America
Status
Superseded
SupersededBy

CFR 49(PTS 200-299) : OCT 2017 TRANSPORTATION
ANSI/ASA S1.1:2013 ACOUSTICAL TERMINOLOGY
ANSI S1.4 : 1983 SPECIFICATION FOR SOUND LEVEL METERS
IEC 60942:2003 Electroacoustics - Sound calibrators
ANSI S12.9 PT1 : 2013 QUANTITIES AND PROCEDURES FOR DESCRIPTION AND MEASUREMENT OF ENVIRONMENTAL SOUND - PART 1: BASIC QUANTITIES AND DEFINITIONS
ANSI S12.55 : 2012 ACOUSTICS - DETERMINATION OF SOUND POWER LEVELS AND SOUND ENERGY LEVELS OF NOISE SOURCES USING SOUND PRESSURE - PRECISION METHODS FOR ANECHOIC ROOMS AND HEMI-ANECHOIC ROOMS
ISO 3745:2012 Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Precision methods for anechoic rooms and hemi-anechoic rooms

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