[閒聊]民視無線台HD畫質-被數位機上盒搞爛了?
最近被第4台有線電視台鼓吹裝他們的bb TV數位機上盒,
心想可以免費數位化升級,應該不錯,傻傻就裝了。
結果雖然很多新聞台有HD logo的畫質都瞬間變高畫質很清晰,
例如TVBS,三立...等。
但其他一些非HD頻道的畫質卻反而變差,
原本用有線電視的線路看這些頻道都還很不錯,結果一改裝數位機上盒後,
畫質卻反倒比未裝機上盒前還要糟糕!
例如:民視(CH6),他本來有HD logo,之前用類比訊號看戲劇節目畫質都很清晰,
結果現在裝機上盒後,畫質反而變得較模糊不銳利~反而更糟糕!
民視無線台不是高畫質的嗎?怎麼數位化升級後反而是低畫質??
還有中天娛樂台也是一樣情形,雖然它不是HD
但以前用類比訊號看都畫質不錯,結果現在裝機上盒後,反而畫質變模糊許多!
蠻後悔聽信第4台業者裝了bb TV數位機上盒,
想把它機上盒換掉,取消數位化升級,裝回去原先的有線電視訊號,
請問大家覺得如何? 請分享寶貴經驗。謝謝!
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※ 編輯: dragoncfe168 (220.134.242.107), 09/29/2015 17:03:01
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3個問題如下:
1.系統業者裝機前,還把我家在牆壁內的Cable線整條抽掉換成新的,
請問這是因為數位升級要用特殊材質的Cable線嗎?
2.我的機上盒相關設備被裝了2台,一台是數位盒,另一個黑盒子不知是啥!
天線是接在1轉2的分接器上,一條纜線接數位盒,一條接黑盒子。
請問大家的數位機上盒相關設備也是兩台嗎??
3.我有個想法,不知是否可行?我去買一個1轉3的分接器,
然後再買條小纜線來分接出第3條天線連接電視機,
這樣似乎就可以在類比與數位訊號間隨己喜好做切換了。
當想看類比訊號時,就把數位機上盒電源關掉即可。
請問大家覺得如何呢?(不過,這樣分接訊號不會變差嗎?)
※ 編輯: dragoncfe168 (220.134.242.107), 09/29/2015 19:29:21
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※ 編輯: dragoncfe168 (220.134.242.107), 10/01/2015 01:54:25
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