Jan 7th, 2006, 12:02 | #1 |
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请用HDTV的朋友进来
我买的是TOSHIBA的26" CRT HDTV(16:9), LG DixV的DVD player, Rogers 的1年免费HD program和HD Terminal (型号是explorer 3250HD). 我有2个问题想请教大家: 1. 虽然有ROGERS的HD PROGRAM, 但很多CHANNEL都是4:3的, 大家用16:9的HDTV看4:3节目的时候是否觉得有点痛苦? 换过所有的模式,都是不爽, 有解决方法么?尽管我想是没有办法了, 也问一下吧 2. 我看很多HD CHANNEL的时候,发现屏幕有明显的忽暗忽亮;但我看DVD(Progressive scan)的话完全没有这个问题;都是用COMPONENT CABLE接电视机的, 大家是否有这个问题? 我怀疑是否ROGERS给的那个HD TERMINAL有问题? 我在电视上分别选择520P或者1080i都一样 3.看501那个HD PREVIEW的频道的时候, 如果通过光纤把AUDIO输出到RECEIVER, 声音老断, 大概是2秒的跳一下. 而用过RCA输出到TV是没有这个问题. 其他CHANNEL 用光纤也没有任何问题, 怪! 4. 最后一个问题也是我最关心的一个, 请问目前的解密的卫星电视设备,是否有支持HDTV信号的接受机?如果有,能否推荐一个方案(设备型号,大致价格,烧哪颗星等等)? 想看HD的MOVIE, SPORT和个别中文电视台. Thank you! |
买的没有卖的精
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Jan 7th, 2006, 13:54 | 只看该作者 #2 |
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1 换电视。有些电视能做比较优化的画面转换,即上下略砍去一部分边缘,水平拉伸画面时,中部基本不变形,向两边逐渐拉伸。 我的receiver也是3250,但我主要用投影机看HD频道。我的投影机是4:3的,与你情况相反,是看16:9不爽,要么上下黑条,要么砍掉左右画面。 2. 我没有遇到这样问题。用电视或投影机输出,图像都是稳定的。 3. 我在小镇,竟然没有501。rogers很糟糕,在toronto,连specialty package共有18-20个hd channels,在我们这里,只有6个可看。我这 519 citytv 有时声音不稳定,字幕有时不同步。 4. 硬件大多支持,眼下最畅销的大概是twinhan 102G, 可以。但没有看HD的key。前几天在锅贴里有人提到收过129上的hd体育频道。还没听说过有人能收hd 电影。 |
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Jan 7th, 2006, 14:12 | 只看该作者 #3 |
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请问 erguotou
你的投影是背头还是前置投影? 对于前置投影, 总感觉图象不够清晰,亮度也不够. 准备买个大屏幕的,但现在还在DLP背投和plasma之间举棋不定, 本来慢慢倾向与DLP背投, 其中一个重要原因就是可以更换灯泡, 在网上的论坛上看了看, 发现这正是一个缺点. 灯泡寿命只有5到6000小时(有时候甚至上中途夭折), 换一个要300多, 如果按最新的plasma寿命6万小时的一半来计算, 3万小时对于DLP背投要换5到6个灯泡,岂不是要掏额外的1500到1800, 实际使用成本远大于plasma. 你有没有这方面的研究? 或者哪位朋友比较懂行的, 能不能给点建议? |
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Jan 7th, 2006, 15:17 | 只看该作者 #4 | |
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前投的魅力,是没有一个电视可比的. 玩前投的起始尺寸是90-100寸,一般都会设置在120-150寸,真正的电影院的感觉. "不够清晰"? 那是你没有看到好的设备. "亮度也不够", 前投不是电视机,是需要像电影院一样,在完全黑暗的环境里播放的.. 如果有机会去看看Sony Ruby (VPL-VW100 SXRD 投影机), 你就不再想plasma or LCD 啦 不过, 玩前投的灯泡代价更大, 2000-3000小时. 引用:
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Jan 7th, 2006, 17:05 | 只看该作者 #5 |
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Just bought LG DLP 44" HDTV in boxing price, $1,000 cut off. Salesmen told me that the bulb price will drop to $50 dollars three years later, and once bulb changes, the TV likes a brand new one. So compared to plasma, DLP is $2,000 less on sale price. and no danger to become aging or be damaged totally.
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Jan 7th, 2006, 17:26 | 只看该作者 #6 | |
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1。 我的TOSHIBA有5种模式,就是你说的哪些,但还是没有完美的解决问题 2。 我猜是ROGERS的问题居多, 日后有机会换其他HD 服务商才知道 3。 看来ROGERS的确不怎么的, 还是考虑其他SATELLITE方案了 4。 多谢你的推荐,让我找一下TWINHAN 102G的信息先。不过如果没有HD的KEY就没有意思了 |
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Jan 7th, 2006, 18:42 | 只看该作者 #7 | |
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请问blue-beer
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因为不想放那些speaker,receiver的。tks |
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Jan 7th, 2006, 18:57 | 只看该作者 #8 |
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I had an old home theater system, but no component and HDMI connectors, it can not be connected to my up-converting HD DVD player and Rogers HD TV box. So if you haven't home theater system yet, I suggest you buy a new one having HD connectors. Audio speakers in HDTV are not good enough, compared with home theater system.
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Jan 7th, 2006, 23:58 | 只看该作者 #10 | |
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亮度不够的确是中低档产品的主要问题。7000-15000刀的DLP正投,如Infocus 777, OptomaH79,或如上面牛头提到的万元级的Sony 产品是不逊色于Plasma的。然而中低档的产品,无论亮度还是色彩饱和度都不及Plasma。 灯泡寿命更是目前正投没有市场竞争力的主要原因。看电视还是应以Plasma或LCD为好,一般人们都是看不看都开着,肯定不合适老开着投影机。目前HD频道不到20套,还只有在黄金时段才是真正高清内容。非高清的在大屏幕上看着更难受。所以两种都买上才好。看HD和看碟才用投影,平均每天不会超过3小时,够看3年。 从追求比较好的品质且经济适用的角度看,目前最好的中档正投产品是 Panasonic PT-AE900U 和 Sanyo PLV-Z4,都是LCD器件的,价格3000 cad 左右。自上一代的 PT-AE700u或 PLV-Z3起,LCD正投各方面指标,在这个价位完全超过了 DLP产品。至于亮度和对比度问题,关键是要高品质的屏幕。千元以下的幕布与打到白墙上几乎看不出区别。Sanyo PLV-Z4投到 Steward Grayhawk ($1500)屏幕上,效果绝对是能为大多数玩家所接受的。 我本来是看好 PLV-Z4,可惜预算没通过批准,又赶上Staples打折,用1199买了一台一般卖1799的benQ 6210。这是个XGA面向教室用途的DLP产品。相对于价格,总的感觉是满意的。用于显示电脑输出挺不错,色彩当然还是不如显示器。看DVD和HD电视也还行,最大缺点是亮度不够。虽然这台的指标是亮度2000流氓,对比度2000:1,相当高,但实际在这个档次的产品上,这些都是虚的。当系统平衡到良好色彩与对比度,实测输出只有700流明左右。朋友在boxing day 买了Future shop那个 $999的Optoma,亮度也不行,色彩比我这个略好,但镜头不好,图像有些发虚。我用的幕是84”, $170的,同白墙没啥区别。准备买 Goo System 专用涂料自己刷一个灰色幕,90”大概要花400刀,据测评,能达到千元级布幕水准。 本人了解过相关一些产品的信息,欢迎同好切磋,如有兴趣,再聊些细节的东西。 |
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Jan 8th, 2006, 00:49 | 只看该作者 #11 |
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DLP technology grows very fast, Texas Instrument company is amazing at developing a stamp size optical semiconductor chip to realize the world's only all-digital display technique. DLP products can be divided into: 1. DLP HDTV, belongs to rear projection TV, using one DLP chip to realize 740p/1080i resolution display. Life cycle for core parts can reach 50 years, except light bulb (usually 8,000 hours). 2. Normal DLP projector , nothing new but connected with computer and used for teaching, the same as other projectors. SVGA resolution only. 3. The top quality DLP projector, based on DLP Cinema™ technology transfers the digitized image file onto three optical semiconductors known as Digital Micromirror Devices, or DMDs. Each of these chips is dedicated to one primary color-red, green, or blue. A DMD chip contains a rectangular array of over one million microscopic mirrors. Light from the projector's lamp is reflected off the mirrors and is combined in different proportions of red, green and blue, as controlled by the image file, to create an array of different colored pixels that make up the projected image. Think of the DMD mirrors as the colored cards held up by an audience in a sports arena to create a giant image. Each person holds up a single colored card, yet when combined, these thousands of cards create a picture. If the card colors are changed, the picture changes too. The DMD mirrors tilt either toward or away from the light source thousands of times per second to reflect the movie onto the screen. These images are sequentially projected onto the screen, recreating the movie in front of you with perfect clarity and a range of more than 35 trillion colors. Your price info and usuage experience on the products above are appreciated. |
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Jan 8th, 2006, 10:21 | 只看该作者 #13 | |
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Jan 8th, 2006, 10:44 | 只看该作者 #14 | |
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推荐一个网址,正投、背投和平板的都包括了,有各类top5,测评和技术性文章。 http://www.projectorcentral.com/ |
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Jan 8th, 2006, 10:51 | 只看该作者 #15 | |
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Jan 8th, 2006, 10:52 | 只看该作者 #16 | |
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blue,我觉得bulb的价格可不会跌,这个想墨盒一样,不管你想不想买,到时候你都得买。相反,过了几年后,老的产品retire了,价格不要长都很好了 关于DLP,你能不能看到所谓的rainbow effects?我好像随便看一个DLP就能看到(特别在眨眼的时候) 类似的技术Sony有SXRD,而且更亮,但是比plasma还贵哦 Sony LCD Project的好像还行,没plasma亮,但颜色还原度很好,3000以下的plasma都没得比。Plasma还有burn-in的问题 好像没一个技术是完美的 引用:
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Jan 8th, 2006, 11:09 | 只看该作者 #17 | |
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Jan 8th, 2006, 11:35 | 只看该作者 #18 |
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Pacific, bulb price is higher than $400 in 2004, now drops. The price actually depends on market and competition. DLP cost is much lower than plasma and LCD, the price could drop within $1,000 for 50" HDTV. The reason of higher price is producers still want to sell their plasma and LCD TVs. If DLP can occupy 20% market in the future, bulb price maybe keep the same. But if DLP market goes down, the bulb price will drop for sure. Because producers know bulb price is one reason why people don't buy DLP. Rainbow effect exists on the first and second generations of DLP HDTV. Some new DLP HDTVs on market now belong to the third generation, no rainbow effect anymore. |
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Jan 8th, 2006, 11:39 | 只看该作者 #19 | |
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二锅头兄看来有所研究. 俺玩前投有10多年了,希望有机会多多交流,不知二锅头兄身在何处? 最好的玩家都在这里: http://www.avsforum.com/avs-vb/ 引用:
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Jan 8th, 2006, 12:18 | 只看该作者 #20 | |
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blue, i agree with you. the question is if the next generation of bulbs would be compatible with current models of dlp monitors as for rainbow, maybe my eyes are a little bit sensitive. even when i look at samsung's so-called 4th generation of dlp, i can easily see those color trips 引用:
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