Re: [問題] DAC晶片一問!?
: 推 krrvincent: 我是覺得 一顆占售價不到5%的晶片 對聲音的影響還不 03/28 23:47
: → krrvincent: 如電路設計和穩壓大 03/28 23:47
關於DAC晶片對DAC聲音的佔比多少
倒是有一間小有名氣的波蘭土炮廠表達過意見
Lampizator(很貴的土炮DAC~~)
http://www.lampizator.eu/Fikus/LAMPIZATOR_TECHNOLOGY.html
What we found is that the chip-set sound is:
10 % DAC chip choice,
50 % receiver chip choice,
20 % receiver-DAC connection interface and
20 % power supply construction.
當然 這個趴數是很主觀的 不過還是多少還是表達了相對程度
事實上他們自己的開發經驗發現 DAC晶片只佔整體聲音的10%而已
不如電源的影響
更不如receiver chip
關於receiver chip為什麼影響這麼大
我認為還是jitter的原因
越好的receiver chip對jitter的免疫力越強大
所以聲音聽起來越自然越類比
對了 stereophile對所有classA和A+的DAC都有做完整測試
我看了不少機器 非常訝異現在的DAC的數位輸入jitter之低
每一家jitter都很低 更可怕的是每一家的usb輸入 jitter還是很低!
看來usb接受晶片這幾年真的進步太多了=.=
以前usb輸入的jitter簡直慘不忍睹
現在每一家數據都是突破天際的強大...
我認為usb DDC這種東西(hiface) 事實上已經可以拿去埋了
因為現在DAC的usb輸入真的都很強大了
實在不需要在靠usb DDC這種過時科技
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※ 編輯: Tosca (61.227.19.116), 03/29/2015 10:06:12
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