0真正的家庭影院的盛大

我一直有一个相当预算“家庭影院”设置 HTPC, 一个50“等离子 电视, 和 4.1 环绕声系统, 但是当我一年前搬到房子里，我发现我不再有主家庭居室的地方，以适应50“ 电视, 所以不得不改回旧的三星32“CRT的720p，我在各地买 2006. 房间里有一个小凹槽完美的大窗台，用于装配屏幕, 这样一个计划诞生了真正的家庭影院

The pro­ject­or auto­mat­ic­ally adjus­ted itself and turned on (或已经有了开启) a small amount of key­stone cor­rec­tion and lens shift — both of which I promptly restored to default to avoid prob­lems with pic­ture qual­ity. Key­stone cor­rec­tion had caused notice­able reduc­tion in pic­ture qual­ity so turn­ing it off was essen­tial. Once I was happy with the arrange­ments I ordered a 墙壁/天花板安装 from amazon and moun­ted the pro­ject­or high up from the wall (the wall being sol­id load-bear­ing, where­as the ceil­ing is plaster with unknown strength behind it).

Finally I ordered a couple of long high qual­ity white HDMI 电缆 和一条长长的白色 电力电缆. The whole sys­tem was up and ready in time for the start of the new BBC / Dav­id Atten­bor­ough series Blue Plan­et II which has been excep­tion­al as a true cine­mat­ic exper­i­ence. I have also watched a couple of movies which have also been fant­ast­ic — I can­’t see myself going to the cinema very much in the future, the exper­i­ence at home is actu­ally super­i­or for sev­er­al reas­ons, and there is no tick­et to pay for. The final part of the phys­ic­al install­a­tion was some self-adhes­ive trunk­ing from screwfix.

The “old” 50″ plasma screen was a good qual­ity screen and plas­ma’s are well known for hav­ing bet­ter qual­ity col­ours than most flat pan­els so the pro­ject­or had a lot to live up to. Advice online about home cinema pro­ject­ors says it’s best to have dark col­oured walls, min­im­al light­ing and no large win­dows. 我的休息室 2 large bay win­dows, 白墙, white ceil­ing, beige car­pet and 12 灯火, so it’s not exactly tick­ing the home cinema boxes. The screen does at least come down in front of the main west-facing bay win­dow which blocks the light from that, but I was still con­cerned about how well it might work. I was delighted to find that the “scare stor­ies” were non­sense. For a full cinema exper­i­ence it is neces­sary to turn off lights and close cur­tains, but this was also neces­sary with the plasma 电视. The pro­ject­or can also be used just fine with cur­tains open dur­ing the day, or the lights on in the even­ing. 血浆 电视, like most flat pan­els, was highly reflect­ive, so any lights would inev­it­ably reflect from it straight into any view­ers eyes. The pro­ject­or arrange­ment does­n’t suf­fer from this prob­lem in the same way, the screen is matt so instead of a point reflec­tion there is just a slight loss of con­trast because blacks become dis­tinctly grey. This may be a mat­ter of pref­er­ence, but for me the pro­ject­or arrange­ment is hugely superior.

拼图的最后一部分是升级 HTPC 与 NVIDIA的GeForce GTX 1050 钛 which is cap­able of hard­ware decod­ing both 4k and 8k video, and also of run­ning the mad­vr presenter which hugely improves upscal­ing of low res­ol­u­tion videos, which could oth­er­wise look very dis­ap­point­ing on the 130″ screen. 4k videos down­scaled actu­ally look much sharp­er than nat­ive 1080p videos, which I attrib­ute to the mask­ing of com­pres­sion defects — the 4k videos are typ­ic­ally around 10 times lar­ger in data terms, and what com­pres­sion arti­facts that are present will be par­tially hid­den by the down­scal­ing. Com­bined with hav­ing HDR this means that although the pro­ject­or is “only” 1080p, the pic­ture qual­ity is very close to the qual­ity of a nat­ive 4k dis­play, and far big­ger than any 电视 可得到.

I will be writ­ing about mad­vr set­tings in the near future, but they’re still a work in pro­gress as there are so many options to get my head round with too little empir­ic­al evid­ence avail­able from a google search. The video card did push the total cost up to around £1200 — a little bit above a grand, but it was­n’t strictly neces­sary. The pro­ject­or, 屏幕, and mount were with­in a few quid of £1000, com­par­able to a 60″ 4k 电视 and vastly more cine­mat­ic. A final bonus of the pro­ject­or sys­tem is that it does­n’t dom­in­ate the room in the same way as a large 电视 would — when it is not in use the screen dis­ap­pears back up to the ceil­ing and the room becomes a fam­ily space again. We still have the old 32″ CRT in the corner for day-to-day 电视 使用.

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