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.

Acoustics - Determination of acoustic properties in impedance tubes - Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance (ISO/DIS 10534-2:2022)

40.60 Close of voting

ТК-82 more

Acoustics - Test methods for the qualification of the acoustic environment - Part 2: Determination of the environmental correction (ISO/DIS 26101-2:2023)

40.20 DIS ballot initiated

ТК-82 more

Acoustics - Measurement of sound absorption in a reverberation room

10.99 New project approved

ТК-82 more

Acoustics - Determination of sound power levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO/DIS 3744:2023)

40.20 DIS ballot initiated

ТК-82 more

Acoustics - Determination of uncertainties associated with sound emission measures - Part 1: Sound power levels determined from sound pressure measurements (ISO/DIS 5114-1:2023)

40.20 DIS ballot initiated

ТК-82 more

90.20 Standard under periodical review

ТК-82 more

90.60 Close of review

ТК-41 more

90.20 Standard under periodical review

ТК-82 more

90.20 Standard under periodical review

ТК-82 more

90.93 Standard confirmed

ТК-82 more

60.60 Standard published

ТК-82 more

60.60 Standard published

ТК-82 more

90.20 Standard under periodical review

ТК-82 more

90.20 Standard under periodical review

ТК-82 more

90.20 Standard under periodical review

ТК-82 more

90.20 Standard under periodical review

ТК-82 more

60.60 Standard published

ТК-82 more

60.60 Standard published

ТК-82 more