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标题: Dao模式音频和tao模式音频有和区别  
 
刘世雄
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Dao模式音频和tao模式音频有和区别

我在网上也找了一下,还是没有闹明白。
如果我只是想做一张在DVD上播放的CD音乐盘,我选择哪一个模式好?谢谢!
2005-12-15 07:27 PM#1
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刘世雄
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[推荐阅读] 我,xxx又回来了
我解决了。用nero 刻的。
2005-12-20 01:50 PM#2
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sundfly (云中鹤)
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[推荐阅读] 喜悦村重新开放
解决问题了就出来让大伙都听听啊.......



我独随风身远去,唯愿缱绻仙凡间~~
2005-12-24 08:13 AM#3
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刘世雄
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[推荐阅读] 总算回来了
《五种(1. TAO 2.DAO/SAO 3.RAW SAO 4.RAW SAO 16 5.RAW DAO)光盘刻录方式的区别》(What TAO/SAO/DAO/RAW DAO means?)
Before reading this post you must know that when you extract an image from a CD (useful in order to do a 'true copy' of the CD, whose layout is made up by 'sectors', 74 min = 330,000 sectors) you can extract data in many ways:
1) 'cooked' (2048 bytes/sector);
2) RAW (2352 bytes/sector)
3) RAW+SUB (2352 bytes + 96 bytes for subchannel data P-W = 2448 bytes)
SUB data are sometimes used for storing CD-TEXT, CD-G (Karaoke) and some protection methods.


Well, when you burn back the extracted info on a CD-R you can choose between 5 different burning modes (not all software supports them):

1) TAO (track-at-once).
You burn on the CD-R all data (2048 of 2352) but recalculate - thereby changing them - all correction codes. On multiple tracks CDs, the laser pauses between them (this mean you cannot record Live Audio CDs without gaps)

2) DAO/SAO (disc-at-once , session-at-once).
As TAO, but the laser does not pause between tracks. This way you will not add extra pauses between tracks. You can record Live Audio CDs without gaps.
(SAO is smilar to DAO, but DAO closes the disc, SAO closes only the last session)

3) RAW SAO (sometimes simply called 'RAW Write').
You burn all 2352 bytes you extrcatced on the CD. Since you do not recalculate ECC/EDC, you end up with an 1:1 copy of the sector. Please note that since the error correction codes are not recalculated, the chance of burning incorrect data is higher. Avoid burning at very high speed.

4) RAW SAO 16 (sometimes called DAO 16).
As RAW SAO, but you'll also write P and Q subchannel data (8 bytes each). You need an image complete with .SUB info to do that (CloneCD, for instance; .BIN/.CUE format is no good for that since olny stores the 2352 part). You'll end up with an 1.1 copy of the sector plus the P-Q subchannels.

5) RAW DAO (sometimes called DAO 96).
As above, but you'll also write P - W subchannel data. As above, you need an image complete with .SUB info to do that. You'll end up with a 'perfect' copy (1.1 copy of the sector plus the P-W subchannels).

For backup purposes of many protected CDs RAW DAO is suggested.
If your burner does not support RAW DAO you might try these minimal settings (to be confirmed yet):
- Safedisc and Laserlock backups NEED at least RAW SAO (Safedisc v.2 backup needs also FantomCD/Alcohol's 'Bypass EFM errors' or CloneCD's 'Amplify Weak Sectors' settings)
- SecuROM and Libcrypt (PSX) NEED at least RAW SAO 16.
2006-1-5 08:23 AM#4
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刘世雄
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[推荐阅读] phpsa MVC框架源码(内附框架源码说明)---贺喜悦村重新开张
译者:Climbing(xclimbing@msn.com)
翻译日期:2004年9月29日
译者注:偶也不懂这么多的光盘刻录术语,只是凭经验翻译的,错误之处,请高手及时指正,以免误人子弟。


Before reading this post you must know that when you extract an image from a CD (useful in order to do a 'true copy' of the CD, whose layout is made up by 'sectors', 74 min = 330,000 sectors) you can extract data in many ways:
在读这个帖子之前,你必须知道在给一张光盘做映像时(一般用于“完整复制”一张光盘,光盘是由一个个的“扇区”组成的,74分钟=330,000扇区),读取光盘的数据有下面几种方式:
1) 'cooked' (2048 bytes/sector);
1) 一般情况下:2048字节/扇区;(注:这2048个字节应该是光盘存储的正常数据)
2) RAW (2352 bytes/sector) 
2) 原始模式RAW: 2352字节/扇区(注:2352个字节除了包括2048个字节的正常数据,应该还包括校验数据)
3) RAW+SUB (2352 bytes + 96 bytes for subchannel data P-W = 2448 bytes)
3) 原模式RAW + 子通道SUB:2352字节 + 96字节的P-W子通道数据 = 2448字节。(译者注:咱不懂所谓的子通道及P-W是什么意思,总之是附属于光盘上一个扇区的额外的数据)
SUB data are sometimes used for storing CD-TEXT, CD-G (Karaoke) and some protection methods.
子通道数据有时用于存储CD-TEXT、CD-G(卡拉OK)以及光盘防拷数据等。



Well, when you burn back the extracted info on a CD-R you can choose between 5 different burning modes (not all software supports them):
好,当你刻录一张光盘映像时,你可以选择5种不同的刻录模式(不是所有的刻录软件都支持这5种模式):


1) TAO (track-at-once).一次性轨道刻录
You burn on the CD-R all data (2048 of 2352) but recalculate - thereby changing them - all correction codes. On multiple tracks CDs, the laser pauses between them (this mean you cannot record Live Audio CDs without gaps)
刻录2352字节中的2048个字节但重新计算(因此也改变了)校验数据。在多轨光盘上,激光头会在每个轨道之间停顿(这意味着你不能用这种方式刻录没有间隙的音乐光盘)。


2) DAO/SAO (disc-at-once , session-at-once).(整盘一次性,区段一次性)
As TAO, but the laser does not pause between tracks. This way you will not add extra pauses between tracks. You can record Live Audio CDs without gaps.
(SAO is smilar to DAO, but DAO closes the disc, SAO closes only the last session)
类似于TAO模式,但激光头不会在轨道间停顿(译者注:参考下文,这种模式还是先刻录2048字节,也要重新计算校验数据),由于这种模式没有在轨道间添加多余的停顿,因此可以用这种模式刻录没有间隙的音乐光盘。(SAO模式跟DAO模式类似,不同的是DAO将终结整张光盘,而SAO只是终结最后一个区段)


3) RAW SAO (sometimes simply called 'RAW Write'). 原始的SAO(有时候简单的称为“原始刻录”)。
You burn all 2352 bytes you extrcatced on the CD. Since you do not recalculate ECC/EDC, you end up with an 1:1 copy of the sector. Please note that since the error correction codes are not recalculated, the chance of burning incorrect data is higher. Avoid burning at very high speed.
直接刻录2352字节,由于没有重新计算ECC/EDC(校验数据),所以这种方式是1:1的复制整个扇区。注意:由于没有重新计算校验数据,刻录出错的机率会大大增加,因此避免在较高的速度下进行刻录。


4) RAW SAO 16 (sometimes called DAO 16). (有时叫DAO 16)
As RAW SAO, but you'll also write P and Q subchannel data (8 bytes each). You need an image complete with .SUB info to do that (CloneCD, for instance; .BIN/.CUE format is no good for that since only stores the 2352 part). You'll end up with an 1.1 copy of the sector plus the P-Q subchannels.
类似于RAW SAO,但还会写入P和Q子通道数据(每个子通道8个字节,两个加起来是16个字节,因此叫DAO 16)。这种模式要求映像文件保存有.SUB数据(例如CloneCD,.BIN/.CUE只是保存了2352字节的数据,因此不适合这种模式)。这样你就刻录了一张1:1复制扇区再加上P-Q子通道数据的光盘。


5) RAW DAO (sometimes called DAO 96).(有时候叫DAO 96)
As above, but you'll also write P - W subchannel data. As above, you need an image complete with .SUB info to do that. You'll end up with a 'perfect' copy (1.1 copy of the sector plus the P-W subchannels).
与上面类似,但会写入P-W子通道数据(96个字节)。这种方式同样需要你的映像文件包括.SUB数据。使用这种模式你可以“完美”的复制一张光盘(1:1的复制扇区再加上P-W的子通道数据)。


译者注:综上所述,凡是1:1复制扇区的刻录模式,例如RAW SAO, DAO 16, DAO 96,都不能以太高的速度刻录,因为没有重新计算校验数据。


For backup purposes of many protected CDs RAW DAO is suggested.对于备份一些加了防拷保护的光盘,建议使用RAW DAO(即DAO 96)模式。
If your burner does not support RAW DAO you might try these minimal settings (to be confirmed yet):
如果你的刻录机(刻录软件)不支持RAW DAO模式,你可以尝试这些最小限度的设置(当然需要确认):
- Safedisc and Laserlock backups NEED at least RAW SAO (Safedisc v.2 backup needs also FantomCD/Alcohol's 'Bypass EFM errors' or CloneCD's 'Amplify Weak Sectors' settings)
- Safedisc 和 Laserlock的保护方式至少需要RAW SAO(Safedisc v.2需要FantomCD/Alcohol的“忽略EFM错误”或者CloneCD的“弱扇区增强”设置)
- SecuROM and Libcrypt (PSX) NEED at least RAW SAO 16.
- SecuROM和Libcrypt(PSX)保护方式至少需要RAW SAO 16。







_




DAO光盘一次刻录(Disc at Once)


SAO区段写入(Session At Once)


TAO轨道一次刻录(Track At Once)


RAW是刻录机的一种工作模式


GHOST恢复光盘的ISO一般用RAW DAO来刻,建议8X左右低速刻录质量高


用到酒精了,那肯定是刻光盘镜像咯,那么RAW DAO和DAO/SAO都可以,我一般用DAO/SAO的。

Nero中文版的话选光盘一次刻录或光盘一次刻录/96(也就是DAO和RAW DAO)模式,刻ISO的话还是酒精好

上面讲的是烧录方式,那数据格式选什么呢??里面有:securom *new  ,securom *new  (4.x/5.x),starceforce  1/2/3 ,等等,到底选哪个呢??

securom *new  ,securom *new  (4.x/5.x),starceforce  1/2/3 ,等是光盘加密的方式,常见的如原版游戏光盘,为了完美复制,应选择相应加密方式再复制,至于源盘的加密方式可通过ClonyXXL识别.

请问nero应选那种刻iso我试过选两种轨道和光盘都不能起动!!!为何


答:选择刻录ISO  然后选择光盘一次刻录  保证行。。。。


看了这个文章,发觉,如果刻ISO,根本没必要用RAW 和 DAO/16/96


因为ISO格式没有保存校验数据和子通道数据


我的刻录速度只有“最快”和“40X”两项(我的刻录机是40X的),没有8X、16X等选项。我的Alcohol 120%版本是1.9.2(build 1705)。请问这是为什么?是软件的版本问题吗?

盘的原因。

用酒精的 DAO/SAO 模式和 RAW DAO模式 刻GHOST系统镜像和ISO的文件都没问题

用Alcohol 120% 刻录的话,基本不需要任何的设置,按照默认的设置就行了。。。。

烧录方式:DAO/SAO,是刻ISO常用的方式
2006-1-5 08:24 AM#5
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