老美有点名气电影的dvdrip一般是在dvd发行前10~30天出来，大多数都是CLSC和RCNT..绝大多数片子都是这样，
片源有专门的Supplier的，能否拿到随机性比较大
和片子是否热门本身关系并不大
不过大多数情况下，片子越热门，各小组会越拚命的
大家可以自己算算时间，不要电影上映才几个星期就大叫dvdrip有没有了，而好莱坞发行dvd一般要等3个月后甚至更长
(0day没出dvdrip之前bt,ed上的dvdrip下载不要信他，99.999%是假的)
dvdscr以后可能会很少见到了，但一些小成本影片和独立制作影片还是能看到高素质的dvdscr，今年奥斯卡这段时间就流出不少独立影片的dvdscr品质不错，但大片却一个没有，主要是给评审的都成了vhs
字幕呢，大多数人肯定只看带中文字幕的影片，国外有些grp都不rip英文字幕，所以翻译要等到dvdr出来。所以一个品质好的中文字幕至少也要等上一个星期吧(有些字幕组会在ts,tc版出来时听译字幕，配合dvdrip出来后快速发布中文字幕)
btw.关于字幕的事不太懂，谁大量补充下
DivX 术语解释（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通常是用数位摄像机从电影院盗录。有时会使用小三角架，但大多数时候不可能使用，所以摄像机会抖动。同时由于放摄像机的座位并非总是空的，使得有时拍摄不是水准的。如果后期剪裁很好，这很难看出，除非萤幕下方有字幕。由
于声音是从摄像机内已含有麦克风录制，所以经常会录到观众的笑声等声音，尤其是喜剧片。因为这些因素，图像和声音品质通常都很差。但有时很幸运电影院相当空，这样会录到好一些的声音。
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（一般是影院座椅上为听力不好的人设的耳机孔），TELESYSNC(TS) 和CAM的标准是相同的。这个直接的音源并不能保证是好的音源，这是它因为受到很多背景噪音的干扰。很多时候TS是在空的影院录制，或是用专业摄像机在投影室录制，所以图像品质可能比CAM好。品质的起伏可能很大，在下载前最好检视SAMPLE。很大比例的TS是从CAM错误标记成。
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) 使用电视电影机从胶片直接数字拷贝，其图像和声音品质应该很好。但由于使用的设备和费用很高，TC很少见。通常会使用正确的高宽比，但有时也有4:3的TC。去年的侏罗纪公园III是一个很好的例子。不应将TC和TimeCode(时间码)混淆，时间码是一个在萤幕上可见的计数器。
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)是在电影发行VHS录像带之前送到录像出租店及其他地方用做促销目的。SCREENER使用VHS录像带，通常使用4:3（全萤幕）的高宽比，但有时也会有LETTERBOXED(1.85:1宽银幕) SCREENER. 主要的缺点是有「TICKER」（在萤幕下
方滚动的消息，包含版权和反盗版电话号码）。同时，如果录像带包含任何序列号或可以导致查出录像带来源的记号，这些记号必须被遮掉，通常使用一个黑斑遮住上述部位。有时这些记号只出现几秒钟，有时也可能不幸在怎个电影中出现，而且有时会很大。根据使用的设备，SCREENER的品质可能是极好，如果是从原版拷贝；也可能很差，如果是从翻录的拷贝录制，同时又使用很烂的捕捉设备和录像机。大多数的SCREENER被转制成VCD，现在也出现了SVCD；有些看起来比
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，但是从DVD转制。通常是1.85:1宽银幕，但是不包括零售版会有的花絮。TICKER经常不在黑边里，所以会影响观看。如果转制者稍有技术，DVDScr应该很好。通常被转制成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是从最终版的DVD转制。如果可能，应该是使用预售版（比如，星球大战2）。品质应该很好。通常被发布成SV ..
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