Bulgarian Institute for Standardization
Standards – always a step ahead
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Projects and standards

To find easily the necessary information, use the different options for advanced search below, e.g. search by technical committee; by keyword in Bulgarian/English; by reference and others.

Electroacoustics - Specifications for personal sound exposure meters

60.60 Standard published

TC 29 more

Acoustics — Recommended practice for the design of low-noise workplaces containing machinery — Part 1: Noise control strategies

60.60 Standard published

ISO/TC 43/SC 1 more

Acoustics — Recommended practice for the design of low-noise workplaces containing machinery — Part 2: Noise control measures

60.60 Standard published

ISO/TC 43/SC 1 more

Acoustics — Determination of sound immission from sound sources placed close to the ear — Part 1: Technique using a microphone in a real ear (MIRE technique)

90.93 Standard confirmed

ISO/TC 43 more

Acoustics — Determination of sound immission from sound sources placed close to the ear — Part 1: Technique using a microphone in a real ear (MIRE technique) — Technical Corrigendum 1

60.60 Standard published

ISO/TC 43 more

Acoustics — Determination of sound immission from sound sources placed close to the ear — Part 2: Technique using a manikin

60.60 Standard published

ISO/TC 43 more

Acoustics — Measurement and parametric description of spatial sound distribution curves in workrooms for evaluation of their acoustical performance

90.93 Standard confirmed

ISO/TC 43/SC 1 more

Acoustics — Noise from shooting ranges — Part 6: Sound pressure measurements close to the source for determining exposure to sound

60.60 Standard published

ISO/TC 43/SC 1 more

Acoustics — Guidelines for noise control in offices and workrooms by means of acoustical screens

90.93 Standard confirmed

ISO/TC 43/SC 1 more

Acoustics — Description, measurement and assessment of environmental noise — Part 1: Basic quantities and assessment procedures

90.93 Standard confirmed

ISO/TC 43/SC 1 more

Acoustics — Description, measurement and assessment of environmental noise — Part 2: Determination of sound pressure levels

90.20 Standard under periodical review

ISO/TC 43/SC 1 more

Acoustics — Estimation of noise-induced hearing loss

90.92 Standard to be revised

ISO/TC 43 more

Acoustics — Normal equal-loudness-level contours

90.92 Standard to be revised

ISO/TC 43 more

Forestry and gardening machinery — Noise test code for portable hand-held machines with internal combustion engine — Engineering method (Grade 2 accuracy)

60.60 Standard published

ISO/TC 23/SC 17 more

Acoustics — Acoustic quality of open office spaces

60.60 Standard published

ISO/TC 43/SC 1 more

Acoustics — Statistical distribution of hearing thresholds of otologically normal persons in the age range from 18 years to 25 years under free-field listening conditions

90.93 Standard confirmed

ISO/TC 43 more

Acoustics — Reference zero for the calibration of audiometric equipment — Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones

90.20 Standard under periodical review

ISO/TC 43 more

Acoustics — Reference zero for the calibration of audiometric equipment — Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones

90.93 Standard confirmed

ISO/TC 43 more