ISO 12999-1:2020

Name: ISO 12999-1:2020 — Acoustics — Determination and application of measurement uncertainties in building acoustics — Part 1: Sound insulation
SKU: ISO 12999-1:2020
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Acoustics — Determination and application of measurement uncertainties in building acoustics — Part 1: Sound insulation

Название (английский):

ISO 12999-1:2020

Acoustics — Determination and application of measurement uncertainties in building acoustics — Part 1: Sound insulation

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 21
Дата публикации:: 23 апреля 2020 г.
Издание:: ISO IS 12999 edition 2 version 1
ICS:: 17.140.01

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Описание (английский):

This document specifies procedures for assessing the measurement uncertainty of sound insulation in building acoustics. It provides for — a detailed uncertainty assessment; — a determination of uncertainties by inter-laboratory tests; — an application of uncertainties. Furthermore, typical uncertainties are given for quantities determined according to ISO 10140 (all parts), ISO 16283 (all parts) and ISO 717 (all parts).

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

ISO 12999-1:2020 - Acoustics: Determination and application of measurement uncertainties in building acoustics - Part 1: Sound insulation - specifies standardized procedures to assess and apply measurement uncertainty for sound insulation in buildings. The standard covers three complementary approaches: a detailed uncertainty budget, uncertainty estimation by inter‑laboratory tests, and practical application of uncertainties to measurement results. It also provides typical uncertainty values for quantities measured according to ISO 10140, ISO 16283 and ISO 717.

Key topics and requirements

Scope and measurands: Defines measurand and measurement result concepts specific to building acoustics (frequency‑band levels and single‑number ratings).

Uncertainty definitions: Clarifies standard uncertainty (u), combined standard uncertainty (uc), expanded uncertainty (U) and coverage factor (k) in the context of sound insulation.

Uncertainty budget (Clause 4 / Annex C): Recommends deriving a detailed uncertainty budget to identify dominant contributions and reduce overall uncertainty. Useful for individual measurement results rather than broad families of tests.

Inter‑laboratory determination (Clause 5): Describes procedures to estimate uncertainties via inter‑laboratory tests using repeatability and reproducibility concepts. Participating laboratories should use their normal procedures, report details in advance, and typically at least eight labs are required for reliable statistics.

Measurement situations: Distinguishes three cases - laboratory characterization (Situation A), multiple teams at one location (in‑situ, Situation B), and repeat measurements by the same operator/equipment (repeatability, Situation C).

Practical measurement conditions: Specifies that specimens should not be remounted between repeats, microphone/source position sets should be selected anew to reflect procedure variability, and calibration/rounding rules must be defined for inter‑laboratory exercises.

Single‑number uncertainties (Clause 6–7): Addresses uncertainties for single‑number ratings (ISO 717) and typical measurands referenced to ISO 10140/16283.

Applications

Demonstrating compliance with acoustic performance requirements and tolerance for building components (walls, floors, facades).

Verifying laboratory performance and inter‑laboratory comparability for test facilities and third‑party laboratories.

Supporting product comparison, procurement specifications, and certification by quantifying uncertainty in sound insulation metrics.

Informing acoustic design decisions and risk assessment where measurement variability may affect conformity.

Who should use this standard

Acoustic testing laboratories and facility operators

Building acoustics consultants and designers

Manufacturers of building elements (partitions, glazing, floor systems)

Certification bodies, regulators and procurement specialists

Researchers conducting inter‑laboratory studies or uncertainty analyses

ISO 12999-1:2020

Abstract

Похожие стандарты

Overview

Key topics and requirements

Applications

Who should use this standard

Related standards

Технические детали

SIST EN ISO 10140-3:2021

Acoustics - Laboratory measurement of sound insulation of building elements - Part 3: Measurement of impact s…

BS EN ISO 16283-3:2016

Acoustics. Field measurement of sound insulation in buildings and of building elements. Façade sound insulati…

BS ISO 7176-31:2023

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ISO 5725-6:1994/Cor 1:2001

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