yuppi 發表於 2015-6-4 09:25 static/image/common/back.gif
冇擁有呢條線，不過吾可以倒轉插不等於係單向。
Yuppi兄
一面電轉光，一面光轉電，
除非粒convertor可以同時做電轉光，光轉電，
否則我諗唔到佢點雙向，可以分享多啲嗎?
chhanthony 發表於 2015-6-4 09:58 static/image/common/back.gif
Yuppi兄
一面電轉光，一面光轉電，
其實你玩過光纖轉 cat5 未？
都廿一世紀，冇人再出 transmitter nor receiver, 成本一樣，個個都生產 transceiver 啦。
A 邊係 player, B 邊係 display:
反過來問你，A邊電轉光，B邊光轉電，又可吾可以解讀成 A 邊光轉電，B 邊電轉光，點解一定要假設佢係單向呢？
chhanthony 發表於 2015-6-4 09:58 static/image/common/back.gif
Yuppi兄
一面電轉光，一面光轉電，
俾多個提示你：單向既 HDMI cable 係吾存在既....諗諗佢{:6_138:}
yuppi 發表於 2015-6-4 10:11 static/image/common/back.gif
其實你玩過光纖轉 cat5 未？
都廿一世紀，冇人再出 transmitter nor receiver, 成本一樣，個個都生產 tr ...
network上LAN Cable係Transcever
而Optic Fiber HDMI 係一邊寫明TX一邊寫明RX，掉轉係用唔到
請睇睇官方說明書
http://www.rainbowfishcorp.com/documents/RF_fohdmi_userguide.pdf
http://www.celeritytek.com/documents/ct_dfo-hdmi_userguide.pdf
再睇睇啲Ender user喺Amazon轉述Rainbow Fish對handshake嘅回覆:
http://www.amazon.com/Rainbow-Fiber-Optic-Cable-Professional/product-reviews/B005IBD5C6
After contacting support they informed me it's a known problem. Their cable is incompatible with a common HDMI chipset in many devices (Marvell).
HDMI 是雙向的。
佢有 hand shake signal 的,互相知道對方插左乜產品
http://www.windows-mediacenter.nl/wp-content/uploads/2012/01/HDMI-handshake3-292x300.jpg
https://friedfoo.files.wordpress.com/2010/02/hdmi_paper.jpg
內致LAN function 也足雙向的一種。
有錯請指證。
本帖最後由 yuppi 於 2015-6-4 11:08 編輯
chhanthony 發表於 2015-6-4 10:57 static/image/common/back.gif
network上LAN Cable係Transcever
而Optic Fiber HDMI 係一邊寫明TX一邊寫明RX，掉轉係用唔到
已經講咗我冇呢條線⋯⋯俾多個提示你：
假設你係一部 Bluray player, 插咗條單向既 HDMI 之後，你連對家係咩都吾知,，有冇插野又吾知，咁你會出咩 format? PCM? Ture HD？4k 定 3D？
HDMI 個 I 字又代表咩呢？冇 handshake signal 仲係吾係 HDMI 呢？
chhanthony 發表於 2015-6-4 10:57 static/image/common/back.gif
network上LAN Cable係Transcever
而Optic Fiber HDMI 係一邊寫明TX一邊寫明RX，掉轉係用唔到
在我角度：
TX=不須外接電源，由 player 供電
RX=需要外接電源，因為 HDMI input 冇法供電
我亦有疑問：一條單向既線點玩CEC？
yuppi 發表於 2015-6-4 11:13 static/image/common/back.gif
在我角度：
TX=不須外接電源，由 player 供電
呢編Audioquest出嘅文章當中有提過，當然呢編嘢已經係2007年發表，可能唔update都唔出奇
http://www.audioquest.com/resource_tools/downloads/whitepapers/HDMI_over_fiber_overview_rev_1_00.pdf
3) No DDC and HDCP (Copyright), at least for a while. Since there is no copper to carry
two-way communications, the existing products only have one-way communications in
fiber (light goes one way). There’s way to shoot a second light backwards, but the cost is
too great for the consumer market.
chhanthony 發表於 2015-6-4 11:27 static/image/common/back.gif
呢編Audioquest出嘅文章當中有提過，當然呢編嘢已經係2007年發表，可能唔update都唔出奇
呢篇野好似同條線冇關係{:6_136:}
chhanthony 發表於 2015-6-4 11:27 static/image/common/back.gif
呢編Audioquest出嘅文章當中有提過，當然呢編嘢已經係2007年發表，可能唔update都唔出奇
老老實實，我唔係RF個engineer, 亦無能力打開研究。我只知道用RF效果好，價錢平，高C/P。同埋可能我好彩，一直無drop out/black out/handshake 問題...再深挖落去都唔會有乜logical/solid conclusion.我就繼續玩RF，用慳到D錢買多對 Genelec好過。{:6_139:}
