老美有點名氣電影的dvdrip一般是在dvd發行前10~30天出來，大多數都是CLSC和RCNT..絕大多數片子都是這樣，
片源有專門的Supplier的，能否拿到隨機性比較大
和片子是否熱門本身關係並不大
不過大多數情況下，片子越熱門，各小組會越拚命的
大家可以自己算算時間，不要電影上映才幾個星期就大叫dvdrip有沒有了，而好萊塢發行dvd一般要等3個月後甚至更長
(0day沒出dvdrip之前bt,ed上的dvdrip下載不要信他，99.999%是假的)
dvdscr以後可能會很少見到了，但一些小成本影片和獨立製作影片還是能看到高素質的dvdscr，今年奧斯卡這段時間就流出不少獨立影片的dvdscr品質不錯，但大片卻一個沒有，主要是給評審的都成了vhs
字幕呢，大多數人肯定只看帶中文字幕的影片，國外有些grp都不rip英文字幕，所以翻譯要等到dvdr出來。所以一個品質好的中文字幕至少也要等上一個星期吧(有些字幕組會在ts,tc版出來時聽譯字幕，配合dvdrip出來後快速發佈中文字幕)
btw.關於字幕的事不太懂，誰大量補充下
DivX 術語解釋（新版）
CAM -
A cam is a theater rip usually done with a digital video camera. A mini tripod is sometimes used, but a lot of the time this wont be possible, so the camera make shake. Also seating placement isn't always idle, and it might be filmed from an angle. If cropped properly, this is hard to tell unless there's text on the screen, but a lot of times these are left with triangular borders on the top and bottom of the screen. Sound is taken from the onboard microphone of the camera, and especially in comedies, laughter can often be heard during the film. Due to these factors picture and sound quality are usually quite poor, but sometimes we're lucky, and the theater will be fairly empty and a fairly clear signal will be heard.
CAM通常是用數位攝像機從電影院盜錄。有時會使用小三角架，但大多數時候不可能使用，所以攝像機會抖動。同時由於放攝像機的座位並非總是空的，使得有時拍攝不是水準的。如果後期剪裁很好，這很難看出，除非螢幕下方有字幕。由
於聲音是從攝像機內已含有麥克風錄製，所以經常會錄到觀眾的笑聲等聲音，尤其是喜劇片。因為這些因素，圖像和聲音品質通常都很差。但有時很幸運電影院相當空，這樣會錄到好一些的聲音。
TELESYNC (TS) -
A telesync is the same spec as a CAM except it uses an external audio source (most likely an audio jack in the chair for hard of hearing people). A direct audio source does not ensure a good quality audio source, as a lot of background noise can interfere. A lot of the times a telesync is filmed in an empty cinema or from the projection booth with a professional camera, giving a better picture quality. Quality ranges drastically, check the sample before downloading the full release. A high percentage of Telesyncs are CAMs that have been mislabeled.
除了使用外置的音源（一般是影院座椅上為聽力不好的人設的耳機孔），TELESYSNC(TS) 和CAM的標準是相同的。這個直接的音源並不能保證是好的音源，這是它因為受到很多背景噪音的干擾。很多時候TS是在空的影院錄製，或是用專業攝像機在投影室錄製，所以圖像品質可能比CAM好。品質的起伏可能很大，在下載前最好檢視SAMPLE。很大比例的TS是從CAM錯誤標記成。
TELECINE (TC) -
A telecine machine copies the film digitally from the reels. Sound and picture should be very good, but due to the equipment involved and cost telecines are fairly uncommon. Generally the film will be in
correct aspect ratio, although 4:3 telecines have existed. A great example is the JURASSIC PARK 3 TC done last year. TC should not be confused with TimeCode , which is a visible counter on screen throughout the film.
TELECINE (TC) 使用電視電影機從膠片直接數字拷貝，其圖像和聲音品質應該很好。但由於使用的設備和費用很高，TC很少見。通常會使用正確的高寬比，但有時也有4:3的TC。去年的侏羅紀公園III是一個很好的例子。不應將TC和TimeCode(時間碼)混淆，時間碼是一個在螢幕上可見的計數器。
SCREENER (SCR) -
A pre VHS tape, sent to rental stores, and various other places for promotional use. A screener is supplied on a VHS tape, and is usually in a 4:3 (full screen) a/r, although letterboxed screeners are sometimes found. The main draw back is a "ticker" (a message that scrolls past at the bottom of the screen, with the copyright and anti-copy telephone number). Also, if the tape contains any serial numbers, or any other markings that could lead to the source of the tape, these will have to be blocked, usually with a black mark over the section. This is sometimes only for a few seconds, but unfortunately on some copies this will last for the entire film, and some can be quite big. Depending on the equipment used, screener quality can range from excellent if done from a MASTER copy, to very poor if done on an old VHS recorder thru poor capture equipment on a copied tape. Most screeners are transferred to VCD, but a few attempts at SVCD have occurred, some looking better than others.
SCREENER(SCR)是在電影發行VHS錄像帶之前送到錄像出租店及其他地方用做促銷目的。SCREENER使用VHS錄像帶，通常使用4:3（全螢幕）的高寬比，但有時也會有LETTERBOXED(1.85:1寬銀幕) SCREENER. 主要的缺點是有「TICKER」（在螢幕下
方滾動的消息，包含版權和反盜版電話號碼）。同時，如果錄像帶包含任何序列號或可以導致查出錄像帶來源的記號，這些記號必須被遮掉，通常使用一個黑斑遮住上述部位。有時這些記號只出現幾秒鐘，有時也可能不幸在怎個電影中出現，而且有時會很大。根據使用的設備，SCREENER的品質可能是極好，如果是從原版拷貝；也可能很差，如果是從翻錄的拷貝錄製，同時又使用很爛的捕捉設備和錄像機。大多數的SCREENER被轉製成VCD，現在也出現了SVCD；有些看起來比
另一些好。
DVD-SCREENER (DVDscr) -
Same premise as a screener, but transferred off a DVD. Usually letterbox , but without the extras that a DVD retail would contain. The ticker is not usually in the black bars, and will disrupt the viewing. If the ripper has any skill, a DVDscr should be very good. Usually transferred to SVCD or DivX/XviD.
DVD-SCREENER(DVDscr)和SCREENER相似，但是從DVD轉制。通常是1.85:1寬銀幕，但是不包括零售版會有的花絮。TICKER經常不在黑邊裡，所以會影響觀看。如果轉制者稍有技術，DVDScr應該很好。通常被轉製成SVCD或DivX/XviD。
DVDRip -
A copy of the final released DVD. If possible this is released PRE retail (for example, Star Wars episode 2) again, should be excellent quality. DVDrips are released in SVCD and DivX/XviD.
DVDRip是從最終版的DVD轉制。如果可能，應該是使用預售版（比如，星球大戰2）。品質應該很好。通常被發佈成SV ..
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