Conventional building doors and windows

GB/T8485

Special doors and windows (fire doors,   passenger compartment doors, escape doors)

Air sound insulation

GB/T19889.3

High strength boards for partitions

Lateral airborne sound transmission

ISO 10140-2

Strip walls, various types of aerated block   walls

ASTM E90

ISO 10848

Flooring, carpets, and other flooring   materials

Improvement in Impact Sound

GB/T19889.8

ISO 10140-3

ASTM E2179

Acoustic ceiling

Sound absorption coefficient

GB/T 20247

ISO 354

ASTM C423

Water pipe

Noise

ISO 3822

●Rest and office spaces are disturbed   by outdoor noise

● Sound transmission and leakage between   residential/hotel rooms

Air sound insulation

Impact sound pressure level

GB/T19889.4/ISO140-4

GB/T19889.5/ISO140-5

GB/T19889.7/ISO140-7

ASTM E336,ASTM E966

● Noise issues from air conditioning,   elevators, and other equipment within the building itself

●Noise emissions from construction   sites, factories, and social life in outdoor environments

●The impact of workplace noise on   employees

Noise

GB50118

GB/T18204.22

GB3096, GB22337

GB12523, GB12348

GBZ/T189.8

●Low language clarity in places such   as performance buildings, sports halls, business halls, auditoriums, and   lecture halls

●Poor playback effect of the sound   reinforcement system

reverberation time

Quality of Language Communication

Characteristics of sound reinforcement   system

GBJ76-84

GB 4959