Lightning轉3.5耳機轉接線是否有DAC? - iOS
By Necoo
at 2016-09-18T12:40
at 2016-09-18T12:40
Table of Contents
※ 引述《darktt (小朱)》之銘言:
: 自從 iPhone 7 上市以來常常出現的問題,
: 就是"Lightning 轉 3.5 耳機孔是否有 DAC 晶片?"這個問題,
: 其實這個問題早就有答案了,
: 就是在"Lightning 轉 30-pin 轉接器"上,
: 這個轉接器同樣是能將透過 Lightning 轉換聲音給 30-pin 的聲音輸出的 pin 腳,
: 所以要嘛就是 Lightning 本身就是能輸出類比聲音訊號,
: 不然就是這個轉接器有 DAC 的功能。
: 根據我找到的"Lightning 轉 30-pin 轉接器"拆解的網站裡,
: (https://goo.gl/bDVeDg)
: 找到這個轉接器是有包含 DAC 的晶片的,
: 所以同理 "Lightning 轉 3.5 耳機孔" 也是會有 DAC 晶片的存在,
: 這樣才能轉換類比聲音訊號的。
連耳機需要 dac ?
不是數位訊號一路通到底 01010011 這樣 傳給馬達還是磁鐵
然後馬達or磁鐵吞吐震模 有需要轉碼?
震膜傳給耳朵才是類比訊號吧?!
要轉碼應該是mp3檔轉成 010011 電流檔吧?
--
: 自從 iPhone 7 上市以來常常出現的問題,
: 就是"Lightning 轉 3.5 耳機孔是否有 DAC 晶片?"這個問題,
: 其實這個問題早就有答案了,
: 就是在"Lightning 轉 30-pin 轉接器"上,
: 這個轉接器同樣是能將透過 Lightning 轉換聲音給 30-pin 的聲音輸出的 pin 腳,
: 所以要嘛就是 Lightning 本身就是能輸出類比聲音訊號,
: 不然就是這個轉接器有 DAC 的功能。
: 根據我找到的"Lightning 轉 30-pin 轉接器"拆解的網站裡,
: (https://goo.gl/bDVeDg)
: 找到這個轉接器是有包含 DAC 的晶片的,
: 所以同理 "Lightning 轉 3.5 耳機孔" 也是會有 DAC 晶片的存在,
: 這樣才能轉換類比聲音訊號的。
連耳機需要 dac ?
不是數位訊號一路通到底 01010011 這樣 傳給馬達還是磁鐵
然後馬達or磁鐵吞吐震模 有需要轉碼?
震膜傳給耳朵才是類比訊號吧?!
要轉碼應該是mp3檔轉成 010011 電流檔吧?
--
Tags:
iOS
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