DVI - HDMI는 2008년 이후부터는 호환성을 가지도록 설계를 해왔기 때문에
Passive Adaptor(단순하게 물리적으로 커넥터만 변환해주는)만 존재하면 호환되게 사용이 된다.

즉, 이론상으로는 저번에 DVI를 HDMI로 연결해서 TV에 소리가 나오는건 당연한거라는 의미

Proposed successors

In December 2010, IntelAMD, and several computer and display manufacturers announced they would stop supporting DVI-I, VGA andLVDS-technologies (i.e., IEEE 1394/Firewire) from 2013/2015, and instead speed up adoption of DisplayPort and/or HDMI.[6] They also stated: "Legacy interfaces such as VGA, DVI and LVDS have not kept pace, and newer standards such as DisplayPort and HDMI clearly provide the best connectivity options moving forward. In our opinion, DisplayPort 1.2 is the future interface for PC monitors, along with HDMI 1.4a for TV connectivity."

HDMI audio support

Since 2008, PC manufacturers have gradually upgraded the PC's controller to support HDMI-output in addition to DVI. Due to electrical and pin compatibility between the DVI and HDMI, only a simple passive adapter (or DVI-D to HDMI cable) is necessary in order for the PC to output HDMI to a compatible HDMI-display (such as a television), and take advantage of HDMI features (such as audio output.)

[링크 : http://en.wikipedia.org/wiki/Digital_Visual_Interface

아무튼 DVI는 단종이 될것이고
그렇게 되면 미래에는 HDMI / miniDP(Displayport) 그리고 과거 호환성을 위한 D-SUB 정도만 남아있게 될지도..

2011/09/04 - [하드웨어/Display 장비] - ATI Radeon 2100 / AM2+ 740g Ranger 에서 DVI to HDMI 변환시 HDMI 오디오! 
Posted by 구차니

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