[数码手机] 求推HI Res 耳机

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1^# 大中小发表于 2019-3-11 12:50 显示全部帖子

https://www.jas-audio.or.jp/english/hi-res-logo-en

"Hi-Res Audio" logo applicable products JAS defines is to fulfill the following specification on the recording, reproduction and signal transition process
<Analogue process>
(1) Microphone response performance: 40 kHz or above during recording
(2) Amplification performance: 40 kHz or above
(3) Speaker and headphone performance: 40 kHz or above

40khz以上就能打hi-res标了
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