Anechoic Air Volume Room
It is used to test the relationship between air output and noise of household electrical equipment or other similar electrical equipment.
It conforms to the standards GB/T 6882,GB/T 1236 and ASHRAE 51.
Voice Evaluation Room
It is used for the recognition and interaction of intelligent language devices, as well as the subjective evaluation of noise and audio recordings of various devices; It can simulate the sound field characteristics of various reverberation conditions in real scenes, and reproduce various real scenes through the background noise playback system.
Compliant with standards: IEEE P2899.1,GB-T36464.2-2018,ETSI ES 202 396-1,Microsoft Teams Audio Specification 4.