GB/T 4963-1985

Normal equal-loudness contours for pure tones under free field listening conditions

STANDARD published on 28.2.1985

English, Chinese -
electronic design (pdf) (448.80 USD)

The information about the standard:

Designation standards: GB/T 4963-1985
Note: WITHDRAWN
Publication date standards: 28.2.1985
Country: Chinese technical standard
Category: Technical standards GB