The A-weight sound level is difficult to evaluate the annoyed noise of the inverter air conditioner. so it is necessary to establish the sound quality and give objective evaluate parameters. such as loudness. sharpness. https://www.roneverhart.com/Jacksonville-Lever-with-Round-Rose-Omnia-943-00/
THEORETICAL ANALYSIS AND EXPERIMENTAL STUDY USED FOR SOUND QUALITY OF INVERTER AIR CONDITIONER NOISE
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