當(dāng)前位置：
首頁 >
標(biāo)準(zhǔn)詳情頁
BS 3383:1961被替代
Normal equal-loudness contours for pure tones and normal threshold of hearing under free-field listening conditions
出版：British Standards Institution
專家解讀視頻
基本信息
標(biāo)準(zhǔn)編號： BS 3383:1961
發(fā)布時(shí)間：1961/5/19 0:00:00
標(biāo)準(zhǔn)類別：Standard
出版單位：British Standards Institution
標(biāo)準(zhǔn)頁數(shù)：0
標(biāo)準(zhǔn)簡介
Frequency range 20 to 15 000 c/s, under stated conditions, relations between sound pressure level and frequency for pure-tones of equal loudness, values for threshold of hearing. For otologically normal persons aged 18 to 25. Correction formulae for otologically normal persons up to 60 years.
標(biāo)準(zhǔn)備注
? British Standards Institution 2013
