『漫游』酷论坛>『动漫游戏音乐交流区』>請問winamp是怎麼判斷 ..
請問winamp是怎麼判斷音樂CD而來列出曲名
doranicchina@2003-05-07 00:59
是不是有什麼資訊寫在音樂CD上，來讓winamp來向網路上的CDDB索取tag的資訊。
iamyuzheng@2003-05-07 07:38
CD支持CD TEXT才行，一般的D版都不支持，正版大多数支持。
A502ALARM@2003-05-07 08:15
我的D版CD（曲目和正版一样的）一样可以接收到CD的唱片集信息。
Fengsir@2003-05-07 09:18
通過CD-TEXT的CD可以不通過網絡直接獲取信息，而通過網絡獲取信息是通過CD盤上的Tag國際編碼獲取的，D版的CD一般由於工藝問題忽略了這一個重要步驟，部分就算是正版盤也無法獲取信息，只是由於CD發行商並沒有給CDDB負費並將信息提交給CDDB，這個信息可有消費者自行提交（提交免費）
zyb1020@2003-05-07 10:05
我的观察是通过歌曲的数目和时间长短 判断的
Fengsir@2003-05-07 10:30
International Support
International developers (and fans) are also supported by the use of the Unicode specification as the character-set foundation of the CDDB® database, allowing names and titles in essentially any language and any character set.
(For more information on the Unicode Consortium, go to www.unicode.org.) Language and region fields per disc and track can be used for sorting and searching by language or region. CDDB® expands the potential for more interesting and revenue-generating applications such as players, search engines, information display, and information entry.
Device requirements
32-bt microprocessor and operating system; 1GB hard disk storage with file system (if using Embedded CDDB); 256 bytes ROM for decryption key; 500KB of non-volatile cache space; CD or DVD drive, with accuracy to 1/75 of a second, or some other mechanism for playback of digital music, that can pass raw TOC data; Internet connection (if updates to Embedded CDDB required); graphical or text display.
SDK designed for ease of development:
All platform versions of the Gracenote CDDB® Software Developer Kit (SDK) are designed to make life easy for the developer. The SDK shields the developer from the details of a complex client-server protocol. The SDK’s for the various platforms are implemented as follows:
Windows SDK: COM-based ActiveX Control
Macintosh SDK: PowerPC shared library
Unix SDK: C shared library
Device SDK: Static library with C interface
Gracenote supplies a prototype kit for quick prototyping and a development kit for full implementation porting to the target device. Both kits include ANSI C source code for porting to the target environment.
Fengsir@2003-05-07 10:32
Fast, accurate and reliable music identification is the foundation for any digital music solution. The second generation of Gracenote MusicIDSM introduces revolutionary audio waveform recognition technology, providing unprecedented success rates by extending Gracenote's legendary music recognition to the song level.
The Broadest Coverage
The performance of any recognition technology is measured by the success rate: the percentage of correctly identified requests. While many waveform recognition providers claim impressive accuracy, only Gracenote MusicIDSM is backed by the Gracenote CDDB® database -- the largest International database of music information available. The result? MusicIDSM has the broadest coverage of any recognition system and provides the highest success rate for music listeners across the globe.
The Highest Success Rate
Text-based music recognition is used in tandem with waveform analysis to provide a second-level of identification and leverages the 22 million tracks in the CDDB® database. By combining text-based and waveform identification technologies, Gracenote enables applications that require a higher degree of certainty, such as rights payment systems for legal peer-to-peer networks.
Proven Support
Gracenote has been providing "always-on" service to music fans around the world since the earliest days of digital music. Gracenote MusicIDSM is designed to provide the same scalable, robust and reliable service that developers around the world have come to expect from the industry-standard CDDB® service.
Gracenote MusicIDSM
Uses multiple recognition methods to provide the highest success rates available.
Embedded version is available for offline devices, including portables and car stereos, enabling "go-anywhere" recording from any source.
The only global resource that taps Gracenote CDDB® - the largest database of music information in the world - enabling your customers to access information and content in their native language and character set.
MusicID works with any file format (such as mp3, ATRAC 3, WMA, WAV, AAC, etc.) that your application or device supports, as well as analog inputs such as radio, phonograph or line-in from an external CD player.
Gracenote’s signature CDDB® service is the industry standard for music recognition services. It contains the largest online database of music information in the world, and is used by over 30 million people in over 130 countries every month. Seamless handling of soundtracks and other compilations, expanded album and track fields, credits, genres, ISRC code, web-links and segments provide music fans with access to a huge store of information on their favorite music.
Symlith@2003-05-07 12:06
CD本身就带有元信息
A502ALARM@2003-05-07 14:33
D版碟有时候还会得到错误的信息
我碰过几次信息不对的情况
doranicchina@2003-05-07 15:45
怎麼會眾說紛紜呢？我還以為會很單純啊！到底要聽誰的？
Fengsir@2003-05-07 16:48
看看英文吧，我没有时间翻译，那是在官方网站转过来的
sth@2003-05-07 21:41
大部分的CD不包含CD-text，而是通过标识来从CDDB上获取歌曲信息。
如果是从正版直接翻刻的CD，也一样可以从CDDB上获取信息。但如果是通过转成wav或者mp3或者ape等方式转的CD，这个标识会丢失。这就是为什么很多D版找不到信息的原因。
虽然这种方法对判断是不是正版直接翻刻在大多数情况下有效，但也有经常里外的，在CDDB的信息库中找不到也很正常。
CDDB找的信息大多数是正确的，但有时却又不准确，而且也不是很详细。真正想获得准确的信息，当然最好是能获得CD中的小册子。
doranicchina@2003-05-08 01:16
請問有沒有軟件可以取(讀)得樓上所謂的"标识"
VEVAN@2003-05-08 01:20
偶的经验告诉偶似乎是从长短和曲目数上判断的...因为有过一次从CD->MP3->CD(不要问偶为什么.无聊人干无聊事...)然后又得到CDDB INFO的经验...
kingnnt@2003-05-08 09:27
唉，，说来winamp。。。。。我的总是不行，，，索性用媒体播放器了，^_^，，土吧
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