ASTM E1130-02e1

Standard Test Method for Objective Measurement of Speech Privacy in Open Offices Using Articulation Index

SCOPE
1.1 This test method describes a means of measuring speech privacy objectively between locations in open offices. This test method relies upon acoustical measurements, published information on speech levels, and standard methods for assessing speech communication. This test method does not measure the performance of individual open office components which affect speech privacy; it measures the privacy which results from a particular configuration of components (1, 2).
1.2 This test method is intended to be a field test for the measurement of speech privacy in actual open offices. However, this test method could be used in an environment arranged to simulate an open office.
1.3 This test method could be adapted for use in other open plan spaces such as open plan schools. It could also be adapted for measuring the speech privacy between open plan and enclosed spaces or between fully enclosed spaces.
1.4 This test method relies upon the Articulation Index which predicts the intelligibility of speech for a group of talkers and listeners. While both the Articulation Index and this test method can be expected to reliably predict average speech privacy, neither predicts the specific degree of speech privacy afforded to particular open office occupants.
1.5 The values stated in SI units are to be regarded as the standard. The inch-pound units in parentheses are for information only.
1.6 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 and health practices and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 09-Jan-2002
• ICS: 17.140.01 - Acoustic measurements and noise abatement in general
• Technical Committee: E33 - Building and Environmental Acoustics
• Drafting Committee: E33.02 - Speech Privacy

Relations

• Replaces: ASTM E1130-02 - Standard Test Method for Objective Measurement of Speech Privacy in Open Offices Using Articulation Index
• Effective Date: 10-Jan-2002
• Replaced By: ASTM E1130-08 - Standard Test Method for Objective Measurement of Speech Privacy in Open Plan Spaces Using Articulation Index
• Effective Date: 01-Sep-2008
• Referred By: ASTM E1374-18e1 - Standard Guide for Office Acoustics and Applicable ASTM Standards
• Effective Date: 10-Jan-2002
• Referred By: ASTM E2638-10(2017) - Standard Test Method for Objective Measurement of the Speech Privacy Provided by a Closed Room
• Effective Date: 10-Jan-2002
• Referred By: ASTM E1179-13(2019) - Standard Specification for Sound Sources Used for Testing Open Office Components and Systems
• Effective Date: 10-Jan-2002
• Referred By: ASTM E3091-17 - Standard Specification for Systems to Measure Sound Levels
• Effective Date: 10-Jan-2002
• Referred By: ASTM C634-22 - Standard Terminology Relating to Building and Environmental Acoustics
• Effective Date: 10-Jan-2002

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
e1
Designation:E1130–02
Standard Test Method for
Objective Measurement of Speech Privacy in Open Offices
1
Using Articulation Index
This standard is issued under the fixed designation E 1130; 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 (e) indicates an editorial change since the last revision or reapproval.
1
e NOTE—Footnote 4 was added editorially in March 2002.
INTRODUCTION
This is one of a series of test methods for evaluating the acoustical characteristics of open office
environments and the performance of acoustical components. Other proposed test methods in this
series deal with the laboratory measurement of interzone attenuation of partial height space dividers
and ceiling systems.
1. Scope 1.6 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
1.1 Thistestmethoddescribesameansofmeasuringspeech
responsibility of the user of this standard to establish appro-
privacy objectively between locations in open offices. This test
priate safety and health practices and determine the applica-
method relies upon acoustical measurements, published infor-
bility of regulatory limitations prior to use.
mation on speech levels, and standard methods for assessing
speech communication. This test method does not measure the
2. Referenced Documents
performanceofindividualopenofficecomponentswhichaffect
2.1 ASTM Standards:
speech privacy; it measures the privacy which results from a
2 C 384 Test Method for Impedance and Absorption of
particular configuration of components (1, 2).
3
Acoustical Materials by the Impedance Tube Method
1.2 This test method is intended to be a field test for the
3
C 634 Terminology Relating to Environmental Acoustics
measurement of speech privacy in actual open offices. How-
E 1041 Guide for Measurement of Masking Sound in Open
ever, this test method could be used in an environment
4
Offices
arranged to simulate an open office.
E 1179 Specification for Sound Sources Used for Testing
1.3 This test method could be adapted for use in other open
3
Open Office Components and Systems
plan spaces such as open plan schools. It could also be adapted
5
2.2 ANSI Standards:
for measuring the speech privacy between open plan and
S1.4 Specification for Sound Level Meters
enclosed spaces or between fully enclosed spaces.
S1.6 Preferred Frequencies and Band Numbers for Acous-
1.4 This test method relies upon the Articulation Index
tical Measurements
which predicts the intelligibility of speech for a group of
S1.11 Specification for Octave, Half-Octave and One-Third
talkersandlisteners.WhileboththeArticulationIndexandthis
Octave Band Filter Sets
test method can be expected to reliably predict average speech
privacy, neither predicts the specific degree of speech privacy
3. Terminology
afforded to particular open office occupants.
3.1 Definitions—The acoustical terminology used in this
1.5 The values stated in SI units are to be regarded as the
test method is consistent with Terminology C 634. Of special
standard. The inch-pound units in parentheses are for informa-
importance are the terms average sound pressure level and
tion only.
arithmetic mean sound pressure level, both of which are
defined in Terminology C 634, and source point which is
1
ThistestmethodisunderthejurisdictionofASTMCommitteeE33onBuilding
defined in Specification E 1179.
and Environmental Acoustics and is the direct responsibility of Subcommittee
E33.02 on Open Plan Spaces.
3
Current edition approved Jan. 10, 2002. Published February 2002. Originally Annual Book of ASTM Standards, Vol 04.06.
e1 4
published as E 1130 – 86. Last previous edition E 1130 – 90 (1994) . Discontinued. See 2001 Annual Book of ASTM Standards , Vol 04.06.
2 5
The boldface numbers in parentheses refer to the list of references at the end of Available from American National Standards Institute, 11 W. 42nd St., 13th
this test method. Floor, New York, NY 10036.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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E1130–02
4. Summary of Test Method 4.9 Calculate the signal-to-noise ratio in each one-third
octave band by subtracting the measured ambient and sound
4.1 Select two locations in an open office environment,
pressure levels from the calculated speech levels at the listener
betweenwhichthespeechprivacyistobemeasured.Designate
location.
onelocationasthe talkeror sourcelocationandtheotherasthe
4.10 Calculate the Articulation Index in accordance with
listeneror measurementlocation.Theselocationsshouldtypify
Section 11 using the one-third octave-band
...