【雲中來的音樂 - Computer Audio】家訪 Eton

[davidchang]

剛在國外看到的

　　Biggest advantage of PCI/PCIe/ExpressCard is that the audio interface can read the audio data straight from the computer's RAM based on it's own clock. No need to actively packetize and send the data on software level like on a USB.

　　　意思是PCI/PCIe/ExpressCard這些界面最大的優勢是這些音頻界面可以基於它自已時鐘來直接讀取電腦上的RAM，不需要像USB那樣積極分包和把送資料給軟體層

===>硬體層和軟體層的區別
　　　
　　　ps: Thunderbolt就是PCIe