划痕 CD 修复指南 |
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指南的原作者是 theRadDept(逝者安息)。 本指南将向你展示如何修复一张因带有划痕,而会给你带来 CRC 不匹配、读取错误、同步错误和可疑位置等问题的 CD。 在正确修复之后,你的划痕 CD 应向你提供 CRC 匹配的完美翻录。即使是严重划伤的 CD,只要反射层(印有图案的一面)没有被损坏,也是一样能被修复的。 在你尝试修复一张原版碟片之前,我建议你先拿一张又旧又烂的 CD-R 练习一下。 不管怎样,不要购买 CD 修复套装。它们的成本远远高于本方法,但结果却很差。 在你完成修复之后,你会看到 CD 上仍有细微的划痕。不用担心,这点儿瑕疵小到不足以影响播放或抓轨。如果你处于美学上的追求想要把这点儿瑕疵也抹除干净,细砂纸会是不错的工具。 材料明细为写这篇指南,我使用了一张我女朋友买来希望我修复的 CD,是 Tom Jones 的《This is Tom Jones》。它实际上是一盒三张 CD,全都划花了,在 CD 机播放时,它们会疯狂跳转,抓轨就更不可能了。在修复后,全部三张 CD(74 首歌)都可以被 CRC 匹配地完美抓轨。 我使用的光驱和软件是 TOSHIBA ODD-DVD SD-R6372 和 EAC V0.99 prebeta 4。安全模式抓轨、正确设置的偏移值、测试并抓取、高纠错质量。 准备清单 1 张划痕 CD 3 到 10 分钟 一瓶 Meguiar’s PlastX(透明塑料清洁抛光剂)参考购买链接 砂纸:1500 和 2000 目(我使用的是 3M 车漆水砂纸)参考购买链接,店家是 10 张一起卖的,你可以请店家两种目数各 5 张卖给你。 一块布(我用的是一块旧围巾;你可以用旧 T 恤、袜子、毛巾等) 面巾纸 温水砂纸和抛光剂你可以在万能的淘宝买到。我是在 Canadian Tire 花了 $10.49 买了一瓶 296 ml 的抛光剂,以及 $2.99 买了五张 9×23 cm 的砂纸。这些材料足以修复逾百张 CD。 修复首先,切一小张砂纸(一张 2.5 cm 见方的砂纸足够几次修复了,你只需要切买来的整张砂纸的 1/64 就差不多是这个大小)。 将砂纸在水中浸泡,然后用手指稍微湿润 CD。 按如下图所示的动作打磨 CD。这个方法适用于严重划伤的 CD;如果只有少量瑕疵,打磨整张 CD 就没必要了,打磨有瑕疵的地方即可。 在打磨时稍稍用点力,在你觉得差不多且划痕消失的时候,继续不施力地打磨一会儿。在用力打磨时我使用了 1500 目的砂纸,轻轻打磨时我使用了 2000 目。 用温水冲洗碟片然后轻轻用纸巾吸干水分。 然后,在 CD 上滴几滴抛光剂,使用小块布抛光它直到抛光剂被布完全吸收。要抛光整个碟片的表面大约需要 6 滴,这已经很足够了。 再一次用温水冲洗 CD 然后轻轻用纸巾吸干水分。 现在,你的 CD 的反光面应当已经重新闪耀了起来。小心检查看看还有没有划痕剩下。如果还有,说明你打磨得还不够,重复打磨和抛光的过程即可。 现在,CD 应该已经能被正确抓轨了。 示例下面展示了一张严重划伤的 CD-ROM 修复前后的对比图。 作为一个实事求是的 Wiki 译者,我必须要实测一下修复的实际效果。 修复确实很快,所消耗的材料也非常的少,但抛光后的光滑程度还是比不上未经打磨的区域,显得有些雾蒙蒙。当然了,最重要的还是它对于抓轨是否有帮助,我实测这个方法的主要目的也正是为了正确地抓取一张 CD。下面是三份不同处理的同一 CD 的抓轨 LOG: 未经处理 Exact Audio Copy V1.3 from 2. September 2016EAC extraction logfile from 2. November 2019, 18:35 刘嘉卓 / 新的一天 Used drive : ATAPI CDRW 52X32 Adapter: 1 ID: 0 Read mode : Secure Utilize accurate stream : Yes Defeat audio cache : Yes Make use of C2 pointers : No Read offset correction : 738 Overread into Lead-In and Lead-Out : Yes Fill up missing offset samples with silence : Yes Delete leading and trailing silent blocks : No Null samples used in CRC calculations : Yes Used interface : Native Win32 interface for Win NT & 2000 Gap handling : Appended to previous track Used output format : User Defined Encoder Selected bitrate : 896 kBit/s Quality : High Add ID3 tag : No Command line compressor : D:\Tools\foobar2000\encoders\flac.exe Additional command line options : -8 -e -p -V -T “ARTIST=%artist%” -T “TITLE=%title%” -T “ALBUM=%albumtitle%” -T “DATE=%year%” -T “TRACKNUMBER=%tracknr%” -T “GENRE=%genre%” -T “COMMENT=%comment%” -T “BAND=%albuminterpret%” -T “ALBUMARTIST=%albuminterpret%” -T “COMPOSER=%composer%” %haslyrics%–tag-from-file=LYRICS="%lyricsfile%"%haslyrics% -T “DISCNUMBER=%cdnumber%” -T “TOTALDISCS=%totalcds%” -T “TOTALTRACKS=%numtracks%” %hascover%–picture="%coverfile%"%hascover% %source% -o %dest% TOC of the extracted CD Track | Start | Length | Start sector | End sector --------------------------------------------------------- 1 | 0:00.00 | 2:55.58 | 0 | 13182 2 | 2:55.58 | 3:12.68 | 13183 | 27650 3 | 6:08.51 | 1:56.39 | 27651 | 36389 4 | 8:05.15 | 3:21.42 | 36390 | 51506 5 | 11:26.57 | 3:50.62 | 51507 | 68818 6 | 15:17.44 | 3:00.35 | 68819 | 82353 7 | 18:18.04 | 2:36.02 | 82354 | 94055 8 | 20:54.06 | 3:03.71 | 94056 | 107851 9 | 23:58.02 | 1:59.14 | 107852 | 116790 10 | 25:57.16 | 3:41.18 | 116791 | 133383 11 | 29:38.34 | 2:03.54 | 133384 | 142662 12 | 31:42.13 | 3:58.02 | 142663 | 160514Track 1 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\01. 跳跃.wav Pre-gap length 0:00:02.00 Peak level 95.4 % Extraction speed 4.1 X Track quality 100.0 % Test CRC 5CA448B4 Copy CRC 5CA448B4 Track not present in AccurateRip database Copy OKTrack 2 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\02. 境.wav Peak level 95.4 % Extraction speed 3.7 X Track quality 99.9 % Test CRC 24444B5B Copy CRC 24444B5B Track not present in AccurateRip database Copy OKTrack 3 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\03. 东京喰种.wav Peak level 95.5 % Extraction speed 3.2 X Track quality 99.9 % Test CRC C77660FE Copy CRC C77660FE Track not present in AccurateRip database Copy OKTrack 4 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\04. 独角犀.wav Peak level 95.5 % Extraction speed 4.3 X Track quality 100.0 % Test CRC 3FF2E76E Copy CRC 3FF2E76E Track not present in AccurateRip database Copy OKTrack 5 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\05. 飘雪.wav Peak level 95.5 % Extraction speed 4.8 X Track quality 100.0 % Test CRC C38D6D0A Copy CRC C38D6D0A Track not present in AccurateRip database Copy OKTrack 6 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\06. 青鸟.wav Peak level 95.5 % Extraction speed 4.7 X Track quality 100.0 % Test CRC 64DAB3A9 Copy CRC 64DAB3A9 Track not present in AccurateRip database Copy OKTrack 7 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\07. 轨迹.wav Peak level 95.4 % Extraction speed 4.2 X Track quality 99.9 % Test CRC BF684EFA Copy CRC BF684EFA Track not present in AccurateRip database Copy OKTrack 8 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\08. 时间飞逝.wav Peak level 95.4 % Extraction speed 4.5 X Track quality 99.9 % Test CRC F2C125EA Copy CRC F2C125EA Track not present in AccurateRip database Copy OKTrack 9 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\09. 公爵之舞.wav Peak level 95.5 % Extraction speed 3.7 X Track quality 99.9 % Test CRC C300ABF5 Copy CRC C300ABF5 Track not present in AccurateRip database Copy OKTrack 10 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\10. 比利・金.wav Peak level 95.5 % Extraction speed 5.5 X Track quality 100.0 % Test CRC 47DC07F2 Copy CRC 47DC07F2 Track not present in AccurateRip database Copy OKTrack 11 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\11. 力量.wav Peak level 95.5 % Extraction speed 5.2 X Track quality 100.0 % Test CRC 7598767F Copy CRC 7598767F Track not present in AccurateRip database Copy OKTrack 12 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\12. 真棒!.wav Suspicious position 0:02:59 Suspicious position 0:03:06 Peak level 95.5 % Extraction speed 1.8 X Track quality 99.3 % Test CRC 888D95C5 Copy CRC 92F839A1 Track not present in AccurateRip database Copy finishedNone of the tracks are present in the AccurateRip database There were errors End of status report —- CUETools DB Plugin V2.1.6 [CTDB TOCID: 1acgnZj5CNzt_.Jxj3tN2mk.PaU-] disk not present in database Submit result: insufficient quality ==== Log checksum E09D5061403F4A27152B2E122CBFF5033F8AB4E83BB645A6EC0037D7B0838262 ==== 眼镜布擦拭 Exact Audio Copy V1.3 from 2. September 2016EAC extraction logfile from 2. November 2019, 20:18 刘嘉卓 / 新的一天 Used drive : ATAPI CDRW 52X32 Adapter: 1 ID: 0 Read mode : Secure Utilize accurate stream : Yes Defeat audio cache : Yes Make use of C2 pointers : No Read offset correction : 738 Overread into Lead-In and Lead-Out : Yes Fill up missing offset samples with silence : Yes Delete leading and trailing silent blocks : No Null samples used in CRC calculations : Yes Used interface : Native Win32 interface for Win NT & 2000 Gap handling : Appended to previous track Used output format : User Defined Encoder Selected bitrate : 896 kBit/s Quality : High Add ID3 tag : No Command line compressor : D:\Tools\foobar2000\encoders\flac.exe Additional command line options : -8 -e -p -V -T “ARTIST=%artist%” -T “TITLE=%title%” -T “ALBUM=%albumtitle%” -T “DATE=%year%” -T “TRACKNUMBER=%tracknr%” -T “GENRE=%genre%” -T “COMMENT=%comment%” -T “BAND=%albuminterpret%” -T “ALBUMARTIST=%albuminterpret%” -T “COMPOSER=%composer%” %haslyrics%–tag-from-file=LYRICS="%lyricsfile%"%haslyrics% -T “DISCNUMBER=%cdnumber%” -T “TOTALDISCS=%totalcds%” -T “TOTALTRACKS=%numtracks%” %hascover%–picture="%coverfile%"%hascover% %source% -o %dest% TOC of the extracted CD Track | Start | Length | Start sector | End sector --------------------------------------------------------- 1 | 0:00.00 | 2:55.58 | 0 | 13182 2 | 2:55.58 | 3:12.68 | 13183 | 27650 3 | 6:08.51 | 1:56.39 | 27651 | 36389 4 | 8:05.15 | 3:21.42 | 36390 | 51506 5 | 11:26.57 | 3:50.62 | 51507 | 68818 6 | 15:17.44 | 3:00.35 | 68819 | 82353 7 | 18:18.04 | 2:36.02 | 82354 | 94055 8 | 20:54.06 | 3:03.71 | 94056 | 107851 9 | 23:58.02 | 1:59.14 | 107852 | 116790 10 | 25:57.16 | 3:41.18 | 116791 | 133383 11 | 29:38.34 | 2:03.54 | 133384 | 142662 12 | 31:42.13 | 3:58.02 | 142663 | 160514Track 1 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\01. 跳跃.wav Pre-gap length 0:00:02.00 Peak level 95.4 % Extraction speed 3.3 X Track quality 100.0 % Test CRC 5CA448B4 Copy CRC 5CA448B4 Track not present in AccurateRip database Copy OKTrack 2 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\02. 境.wav Peak level 95.4 % Extraction speed 5.4 X Track quality 99.9 % Test CRC 24444B5B Copy CRC 24444B5B Track not present in AccurateRip database Copy OKTrack 3 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\03. 东京喰种.wav Peak level 95.5 % Extraction speed 4.7 X Track quality 99.9 % Test CRC C77660FE Copy CRC C77660FE Track not present in AccurateRip database Copy OKTrack 4 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\04. 独角犀.wav Peak level 95.5 % Extraction speed 7.5 X Track quality 100.0 % Test CRC 3FF2E76E Copy CRC 3FF2E76E Track not present in AccurateRip database Copy OKTrack 5 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\05. 飘雪.wav Peak level 95.5 % Extraction speed 7.1 X Track quality 100.0 % Test CRC C38D6D0A Copy CRC C38D6D0A Track not present in AccurateRip database Copy OKTrack 6 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\06. 青鸟.wav Peak level 95.5 % Extraction speed 7.0 X Track quality 100.0 % Test CRC 64DAB3A9 Copy CRC 64DAB3A9 Track not present in AccurateRip database Copy OKTrack 7 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\07. 轨迹.wav Peak level 95.4 % Extraction speed 5.8 X Track quality 99.9 % Test CRC BF684EFA Copy CRC BF684EFA Track not present in AccurateRip database Copy OKTrack 8 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\08. 时间飞逝.wav Peak level 95.4 % Extraction speed 6.3 X Track quality 99.9 % Test CRC F2C125EA Copy CRC F2C125EA Track not present in AccurateRip database Copy OKTrack 9 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\09. 公爵之舞.wav Peak level 95.5 % Extraction speed 5.7 X Track quality 99.9 % Test CRC C300ABF5 Copy CRC C300ABF5 Track not present in AccurateRip database Copy OKTrack 10 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\10. 比利・金.wav Peak level 95.5 % Extraction speed 7.9 X Track quality 100.0 % Test CRC 47DC07F2 Copy CRC 47DC07F2 Track not present in AccurateRip database Copy OKTrack 11 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\11. 力量.wav Peak level 95.5 % Extraction speed 7.5 X Track quality 100.0 % Test CRC 7598767F Copy CRC 7598767F Track not present in AccurateRip database Copy OKTrack 12 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\12. 真棒!.wav Suspicious position 0:02:59 Suspicious position 0:03:06 Suspicious position 0:03:13 Peak level 95.5 % Extraction speed 1.9 X Track quality 99.2 % Test CRC 542E83CA Copy CRC 502E7CD7 Track not present in AccurateRip database Copy finishedNone of the tracks are present in the AccurateRip database There were errors End of status report —- CUETools DB Plugin V2.1.6 [CTDB TOCID: 1acgnZj5CNzt_.Jxj3tN2mk.PaU-] disk not present in database Submit result: insufficient quality ==== Log checksum F8FE6C494FC1A6FECE4BCD5DBC1A7A18B5FCB3C6C91AAEBC0661BA712A24388B ==== 打磨抛光 Exact Audio Copy V1.3 from 2. September 2016EAC extraction logfile from 5. November 2019, 14:24 刘嘉卓 / 新的一天 Used drive : ATAPI CDRW 52X32 Adapter: 1 ID: 0 Read mode : Secure Utilize accurate stream : Yes Defeat audio cache : Yes Make use of C2 pointers : No Read offset correction : 738 Overread into Lead-In and Lead-Out : Yes Fill up missing offset samples with silence : Yes Delete leading and trailing silent blocks : No Null samples used in CRC calculations : Yes Used interface : Native Win32 interface for Win NT & 2000 Gap handling : Appended to previous track Used output format : User Defined Encoder Selected bitrate : 896 kBit/s Quality : High Add ID3 tag : No Command line compressor : D:\Tools\foobar2000\encoders\flac.exe Additional command line options : -8 -e -p -V -T “ARTIST=%artist%” -T “TITLE=%title%” -T “ALBUM=%albumtitle%” -T “DATE=%year%” -T “TRACKNUMBER=%tracknr%” -T “GENRE=%genre%” -T “COMMENT=%comment%” -T “BAND=%albuminterpret%” -T “ALBUMARTIST=%albuminterpret%” -T “COMPOSER=%composer%” %haslyrics%–tag-from-file=LYRICS="%lyricsfile%"%haslyrics% -T “DISCNUMBER=%cdnumber%” -T “TOTALDISCS=%totalcds%” -T “TOTALTRACKS=%numtracks%” %hascover%–picture="%coverfile%"%hascover% %source% -o %dest% TOC of the extracted CD Track | Start | Length | Start sector | End sector --------------------------------------------------------- 1 | 0:00.00 | 2:55.58 | 0 | 13182 2 | 2:55.58 | 3:12.68 | 13183 | 27650 3 | 6:08.51 | 1:56.39 | 27651 | 36389 4 | 8:05.15 | 3:21.42 | 36390 | 51506 5 | 11:26.57 | 3:50.62 | 51507 | 68818 6 | 15:17.44 | 3:00.35 | 68819 | 82353 7 | 18:18.04 | 2:36.02 | 82354 | 94055 8 | 20:54.06 | 3:03.71 | 94056 | 107851 9 | 23:58.02 | 1:59.14 | 107852 | 116790 10 | 25:57.16 | 3:41.18 | 116791 | 133383 11 | 29:38.34 | 2:03.54 | 133384 | 142662 12 | 31:42.13 | 3:58.02 | 142663 | 160514Track 1 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\01. 跳跃.wav Pre-gap length 0:00:02.00 Peak level 95.4 % Extraction speed 3.5 X Track quality 100.0 % Test CRC 5CA448B4 Copy CRC 5CA448B4 Track not present in AccurateRip database Copy OKTrack 2 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\02. 境.wav Peak level 95.4 % Extraction speed 3.0 X Track quality 99.9 % Test CRC 24444B5B Copy CRC 24444B5B Track not present in AccurateRip database Copy OKTrack 3 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\03. 东京喰种.wav Peak level 95.5 % Extraction speed 2.4 X Track quality 99.9 % Test CRC C77660FE Copy CRC C77660FE Track not present in AccurateRip database Copy OKTrack 4 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\04. 独角犀.wav Peak level 95.5 % Extraction speed 3.4 X Track quality 100.0 % Test CRC 3FF2E76E Copy CRC 3FF2E76E Track not present in AccurateRip database Copy OKTrack 5 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\05. 飘雪.wav Peak level 95.5 % Extraction speed 3.3 X Track quality 100.0 % Test CRC C38D6D0A Copy CRC C38D6D0A Track not present in AccurateRip database Copy OKTrack 6 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\06. 青鸟.wav Peak level 95.5 % Extraction speed 3.2 X Track quality 100.0 % Test CRC 64DAB3A9 Copy CRC 64DAB3A9 Track not present in AccurateRip database Copy OKTrack 7 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\07. 轨迹.wav Peak level 95.4 % Extraction speed 2.8 X Track quality 99.9 % Test CRC BF684EFA Copy CRC BF684EFA Track not present in AccurateRip database Copy OKTrack 8 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\08. 时间飞逝.wav Peak level 95.4 % Extraction speed 3.0 X Track quality 99.9 % Test CRC F2C125EA Copy CRC F2C125EA Track not present in AccurateRip database Copy OKTrack 9 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\09. 公爵之舞.wav Peak level 95.5 % Extraction speed 2.7 X Track quality 99.9 % Test CRC C300ABF5 Copy CRC C300ABF5 Track not present in AccurateRip database Copy OKTrack 10 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\10. 比利・金.wav Peak level 95.5 % Extraction speed 3.2 X Track quality 100.0 % Test CRC 47DC07F2 Copy CRC 47DC07F2 Track not present in AccurateRip database Copy OKTrack 11 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\11. 力量.wav Peak level 95.5 % Extraction speed 2.0 X Track quality 100.0 % Test CRC 07F7EF81 Copy CRC 7598767F Track not present in AccurateRip database Copy OKTrack 12 Filename E:\EAC\刘嘉卓 - 新的一天 (2019) [FLAC]\12. 真棒!.wav Peak level 95.5 % Extraction speed 2.6 X Track quality 99.9 % Test CRC 622C0907 Copy CRC 622C0907 Track not present in AccurateRip database Copy OKNone of the tracks are present in the AccurateRip database No errors occurred End of status report —- CUETools DB Plugin V2.1.6 [CTDB TOCID: 1acgnZj5CNzt_.Jxj3tN2mk.PaU-] found Submit result: already submitted Track | CTDB Status 1 | (1/1) Accurately ripped 2 | (1/1) Accurately ripped 3 | (1/1) Accurately ripped 4 | (1/1) Accurately ripped 5 | (1/1) Accurately ripped 6 | (1/1) Accurately ripped 7 | (1/1) Accurately ripped 8 | (1/1) Accurately ripped 9 | (1/1) Accurately ripped 10 | (1/1) Accurately ripped 11 | (1/1) Accurately ripped 12 | (1/1) Accurately ripped ==== Log checksum B069FF9F9EEBF6DBFD257170B7D361D5647A706AD34E331F70B551C82EED3731 ==== 事实证明,这个方法是有效的。根据我个人的经验来看,除非划痕很深,否则打磨的时候几乎不需要花什么力气,蹭几下就可使划痕不明显,诸位在尝试时请勿太大力。 另外,也不要抱有太大的希望,我也遇到过这个方法不好使的情况,有些碟子本身的制作工艺就有问题,打磨往往毫无改善作用。 |
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