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ASTM C634-02

(Terminology)

Standard Terminology Relating to Environmental Acoustics

Standard Terminology Relating to Environmental Acoustics

SCOPE
1.1 This terminology covers terms and definitions related to environmental acoustics. Only definitions common to two or more standards under the jurisdiction of Committee E33 are listed here. The purpose of this terminology is to promote uniformity of key definitions. Definitions pertinent to only one standard and exceptions to the definitions listed below are contained in the individual standards and should be used when following those standards.

General Information

Status
Historical
Publication Date
09-Apr-2002
ICS
01.040.91 - Construction materials and building (Vocabularies)
91.120.20 - Acoustics in building. Sound insulation
Technical Committee
E33 - Building and Environmental Acoustics
Drafting Committee
E33.07 - Definitions and Editorial
Current Stage
Ref Project

Relations

Replaces
ASTM C634-01 - Standard Terminology Relating to Environmental Acoustics
Effective Date
10-Apr-2002
Replaced By
ASTM C634-02e1 - Standard Terminology Relating to Building and Environmental Acoustics
Effective Date
10-Apr-2002
Referred By
ASTM E1780-12(2021) - Standard Guide for Measuring Outdoor Sound Received from a Nearby Fixed Source
Effective Date
10-Apr-2002
Referred By
ASTM E1111/E1111M-14(2022) - Standard Test Method for Measuring the Interzone Attenuation of Open Office Components
Effective Date
10-Apr-2002
Referred By
ASTM E1425-14(2023) - Standard Practice for Determining the Acoustical Performance of Windows, Doors, Skylight, and Glazed Wall Systems
Effective Date
10-Apr-2002
Referred By
ASTM E1123-86(2023) - Standard Practices for Mounting Test Specimens for Sound Transmission Loss Testing of Naval and Marine Ship Bulkhead Treatment Materials
Effective Date
10-Apr-2002
Referred By
ASTM C1534-22 - Standard Specification for Flexible Polymeric Foam Sheet Insulation Used as a Thermal and Sound Absorbing Liner for Duct Systems
Effective Date
10-Apr-2002
Referred By
ASTM E90-09(2016) - Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements
Effective Date
10-Apr-2002
Referred By
ASTM F2154-13(2019) - Standard Specification for Sound-Absorbing Board, Fibrous Glass, Perforated Fibrous Glass Cloth Faced
Effective Date
10-Apr-2002
Referred By
ASTM E1574-98(2023) - Standard Test Method for Measurement of Sound in Residential Spaces
Effective Date
10-Apr-2002
Referred By
ASTM E966-18a - Standard Guide for Field Measurements of Airborne Sound Attenuation of Building Facades and Facade Elements
Effective Date
10-Apr-2002
Referred By
ASTM E1124-10(2016) - Standard Test Method for Field Measurement of Sound Power Level by the Two-Surface Method
Effective Date
10-Apr-2002
Referred By
ASTM E492-22 - Standard Test Method for Laboratory Measurement of Impact Sound Transmission Through Floor-Ceiling Assemblies Using the Tapping Machine
Effective Date
10-Apr-2002
Referred By
ASTM E1289-08(2022) - Standard Specification for Reference Specimen for Sound Transmission Loss
Effective Date
10-Apr-2002
Referred By
ASTM E1414/E1414M-21a - Standard Test Method for Airborne Sound Attenuation Between Rooms Sharing a Common Ceiling Plenum
Effective Date
10-Apr-2002

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ASTM C634-02 - Standard Terminology Relating to Environmental AcousticsASTM C634-02 - Standard Terminology Relating to Environmental Acoustics
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ASTM C634-02 - Standard Terminology Relating to Environmental Acoustics
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information.
Designation:C634–02
Standard Terminology Relating to
1
Environmental Acoustics
This standard is issued under the fixed designation C634; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
In some of the entries, those that are measures of physical quantities, the term is followed by three
items: symbol, dimensions, and unit. The symbol, in italics, stands for the magnitude of the quantity
in mathematical expressions. The dimensions of a quantity express its measure in terms of three
fundamental quantities: M for mass, L for length, and T for time. Speed, for instance, is the quotient
obtained when the distance an object moves is divided by the time involved. The dimensions are
−1
[LT ], the negative exponent indicating division. The unit is consistently in SI, Le Système
International d’Unités.Those still using the cgs (centimetre-gram-second) or the inchpound system of
units are referred for most of the conversion factors to Practice E380. A few conversion factors are
listed in Section 4 of this terminology.
Thedimensionsofaquantityarethesameregardlessoftheunitsinwhichthequantityismeasured.
−1
Speed has the dimensions [LT ] whether it is measured in miles per hour, feet per second, or metres
per second. Quantities with different dimensions are not the same. Flow resistance and specific flow
resistance, for instance, are quantities of different kinds even though the names are similar. On the
other hand, quantities with the same dimensions are not necessarily of the same kind. Sound energy
−1 −2
density, for instance, has the same dimensions as sound pressure, [ML T ], but it is not a kind of
2
sound pressure. Nor is absorption with the dimensions [L ] a kind of area.
2
1. Scope E413 Classification for Rating Sound Insulation
E492 Test Method for Laboratory Measurement of Impact
1.1 This terminology covers terms and definitions related to
Sound Transmission Through Floor-Ceiling Assemblies
environmental acoustics. Only definitions common to two or
2
Using the Tapping Machine
more standards under the jurisdiction of Committee E33 are
IEEE/ ASTM SI 10 Standard for Use of the International
listed here. The purpose of this terminology is to promote
3
System of Units (SI): The Modern Metric System
uniformity of key definitions. Definitions pertinent to only one
2.2 ANSI Standard:
standard and exceptions to the definitions listed below are
4
ANSI S1.4 Specification for Sound Level Meters
contained in the individual standards and should be used when
ANSI S1.6 Preferred Frequencies, Frequency Levels, and
following those standards.
Band Numbers for Acoustical Measurements
2. Referenced Documents ANSIS1.11 Octave-BandandFractionalOctave-BandAna-
log and Digital Filters, Specifications for
2.1 ASTM Standards:
C423 Test Method for Sound Absorption and Sound Ab-
3. Terminology
2
sorption Coefficients by the Reverberation Room Method
3.1 If the term sought by the user cannot be found in 3.2,it
E90 Test Method for Laboratory Measurement ofAirborne
may be found in 4.1.
Sound Transmission Loss of Building Partitions and Ele-
2 3.2 Terms and Definitions:
ments
−4 −1
E336 Test Method for Measurement of Airborne Sound
acoustic impedance, Z [ R + jX; [ML T ]; mks acoustic
2
3
Insulation in Buildings
ohm (Pa·s/m )—of a surface, for a given frequency, the
complex quotient obtained when the sound pressure aver-
aged over the surface is divided by the volume velocity
1
This terminology is under the jurisdiction of ASTM Committee E33 on
Building and Environmental Acoustics and is the direct responsibility of Subcom-
mittee E33.07 on Definitions and Editorial.
3
Current edition approved April 10, 2002. Published June 2002. Originally Annual Book of ASTM Standards, Vol 14.02.
4
published as C634–69. Last previous edition C634–01. Available from American National Standards Institute, 25 W. 43rd St., 4th
2
Annual Book of ASTM Standards, Vol 04.06. Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
C634–02
through the surface. The real and imaginary components are
p = 20 µPa, reference sound pressure, and
0
called, respectively, acoustic resistance and acoustic reac-
L = an individual sound pressure level, dB.
i
tance.
If conditions warrant, an integral expression may be used:
acoustical barrier—contiguous objects such as solid walls,
t2
buildings,orearthenbermsthatsubstantiallyblockthedirect 1
2 2
¯
L 510log ~p ~t!/p !dt
p S * 0 D
T t1
path of sound between a source and receiver
...

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ASTM C634-22(Terminology)
Standard Terminology Relating to Building and Environmental Acoustics

SIGNIFICANCE AND USE
3.1 Definitions—Terms and related definitions given in Section 4 are intended for use uniformly and consistently in all building and environmental acoustic test standards in which they appear.  
3.2 Definitions of Terms Specific to Each Standard:  
3.2.1 As indicated in Section 4, terms and their definitions are intended to provide a precise understanding and interpretation of the building and environmental acoustic test standards in which they appear.  
3.2.2 A specific definition of a given term is applicable to the standard or standards in which the term is described and used.  
3.2.3 Different definitions of the same term are acceptable provided each one is consistent with and is not in conflict with the standard definition for the same term, that is, the general concept the term describes.  
3.2.4 If a standard under the jurisdiction of ASTM Committee E33 specially defines a term, i.e. provides a definition different in any way from what is given in Section 4 of Terminology C634, that standard shall list the term and its description under the subheading, Definitions of Terms Specific to This Standard.
3.2.4.1 Discussion—The mandatory language of section 3.2.4 is consistent with the mandatory language from §E2 of Form and Style for ASTM Standards (April 2020) and with the ASTM Committee E33 bylaws in place when this standard was published; it reflects a situation that exists, it does not prescribe anything.  
3.3 Definitions for some terms associated with building and environmental acoustic issues and not included in Terminology C634 are found in ISO/TR 25417 or IEEE P260.4. When discrepancies exist, the definition in Terminology C634 shall prevail.
SCOPE
1.1 This terminology covers terms, related definitions, and descriptions of terms used or likely to be used in building and environmental acoustics standards. Definitions of terms are special-purpose definitions that are consistent with the standard definitions but are written to ensure that a specific building and environmental acoustics standard is properly understood and precisely interpreted. The primary focus of this document is upon terms, definitions and descriptions found within standards under the jurisdiction of ASTM Committee E33; however, terms, definitions and descriptions that are of general interest to the field of acoustics are also included.  
1.2 This building and environmental acoustics standard cannot be used to provide quantitative measures.  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM C634-22(Terminology)
Standard Terminology Relating to Building and Environmental Acoustics

SIGNIFICANCE AND USE
3.1 Definitions—Terms and related definitions given in Section 4 are intended for use uniformly and consistently in all building and environmental acoustic test standards in which they appear.  
3.2 Definitions of Terms Specific to Each Standard:  
3.2.1 As indicated in Section 4, terms and their definitions are intended to provide a precise understanding and interpretation of the building and environmental acoustic test standards in which they appear.  
3.2.2 A specific definition of a given term is applicable to the standard or standards in which the term is described and used.  
3.2.3 Different definitions of the same term are acceptable provided each one is consistent with and is not in conflict with the standard definition for the same term, that is, the general concept the term describes.  
3.2.4 If a standard under the jurisdiction of ASTM Committee E33 specially defines a term, i.e. provides a definition different in any way from what is given in Section 4 of Terminology C634, that standard shall list the term and its description under the subheading, Definitions of Terms Specific to This Standard.
3.2.4.1 Discussion—The mandatory language of section 3.2.4 is consistent with the mandatory language from §E2 of Form and Style for ASTM Standards (April 2020) and with the ASTM Committee E33 bylaws in place when this standard was published; it reflects a situation that exists, it does not prescribe anything.  
3.3 Definitions for some terms associated with building and environmental acoustic issues and not included in Terminology C634 are found in ISO/TR 25417 or IEEE P260.4. When discrepancies exist, the definition in Terminology C634 shall prevail.
SCOPE
1.1 This terminology covers terms, related definitions, and descriptions of terms used or likely to be used in building and environmental acoustics standards. Definitions of terms are special-purpose definitions that are consistent with the standard definitions but are written to ensure that a specific building and environmental acoustics standard is properly understood and precisely interpreted. The primary focus of this document is upon terms, definitions and descriptions found within standards under the jurisdiction of ASTM Committee E33; however, terms, definitions and descriptions that are of general interest to the field of acoustics are also included.  
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1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
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ASTM F1210-23(Guide)
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3.1 This guide is meant to aid response teams who may use it during spill response planning and spill events.  
3.2 This guide should be adapted to site specific circumstance.
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1.1 This guide covers the use of oil spill dispersants to assist in the control of oil spills. The guide is written with the goal of minimizing the environmental impacts of oil spills; this goal is the basis on which the recommendations are made. Aesthetic and socioeconomic factors are not considered, although these and other factors are often important in spill response.  
1.2 Spill responders have available several means to control or clean up spilled oil. Chemical dispersants should be given equal consideration with other spill countermeasures.  
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4.1 This test method establishes a selected set of conditions of temperature, relative humidity and rate of evaporation of the environment to which a mortar specimen of stated composition shall be subjected for a specified period of time during which its change in length is determined and designated “drying shrinkage.”  
4.2 The drying shrinkage of mortar as determined by this test method has a linear relation to the drying shrinkage of concrete made with the same cement and exposed to the same drying conditions.4 Hence this test method may be used when it is desired to develop data on the effect of a hydraulic cement on the drying shrinkage of concrete made with that cement.
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1.1 This test method determines the change in length on drying of mortar bars containing hydraulic cement and graded standard sand.  
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This specification covers hot- and cold-worked precipitation-hardenable nickel alloy rod, bar, forgings, and forging stock for high-temperature service. Chemical analysis shall be performed on the alloy and shall conform to the chemical composition requirement in carbon, manganese, silicon, phosphorus, sulfur, chromium, cobalt, molybdenum, columbium, tantalum, titanium, aluminum, zirconium, boron, iron, copper, and nickel. The material shall follow recommended annealing treatment, solution treatment, stabilizing treatment, and precipitation hardening treatment. Tension testing, hardness testing and stress-rupture testing shall be performed on the material and shall comply to the required tensile strength, yield strength, elongation, reduction in area, and Brinell hardness.
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5.1 A standard procedure is necessary to establish property changes for spilled oils or petroleum products at different oil weathering stages.  
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5.1 This test method can be used to determine whether the amount of draindown measured for a given asphalt mixture is within specified acceptable levels. The test provides an evaluation of the draindown potential of an asphalt mixture during mixture design and/or during field production. This test is primarily used for mixtures with high coarse aggregate content such as porous asphalt (open-graded friction course) and stone matrix asphalt (SMA).
Note 1: The quality of the results produced by this standard are dependent on the competence of the personnel performing the procedure and the capability, calibration, and maintenance of the equipment used. Agencies that meet the criteria of Specification D3666 are generally considered capable of competent and objective testing, sampling, inspection, etc. Users of this standard are cautioned that compliance with Specification D3666 alone does not completely ensure reliable results. Reliable results depend on many factors; following the suggestions of Specification D3666 or some similar acceptable guideline provides a means of evaluating and controlling some of those factors.
SCOPE
1.1 This test method covers the determination of the amount of draindown in an uncompacted asphalt mixture sample when the sample is held at elevated temperatures comparable to those encountered during the production, storage, transport, and placement of the mixture. The test is particularly applicable to mixtures such as porous asphalt (open-graded friction course) and stone matrix asphalt (SMA).  
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
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This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, and UNS R30556 nickel alloy billets and bars for reforging. The products shall be hot worked from ingots by rolling, forging, extruding, hammering, or pressing. The material shall conform to the chemical composition requirements prescribed by the reference material. The chemical composition of the material shall be determined by chemical analysis in accordance with test method E1473.
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1.1 This specification covers UNS N06002, UNS N06030, UNS N06035, UNS N06022, UNS N06200, UNS N10362, UNS N06230, UNS N06600, UNS N06617, UNS N06625, UNS N08020, UNS N08026, UNS N08024, UNS N08120, UNS N08926, UNS N08367, UNS N10242, UNS N10276, UNS N10665, UNS N10675, UNS N12160, UNS R20033, UNS N06059, UNS N06686, UNS N10629, UNS N08031, UNS N06045, UNS N06025, UNS N06699, and UNS R305562 billets and bars for reforging.  
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