Android 设备能够从多媒体文件中读取基本元数据（例如艺术家、专辑、标题和曲目编号，在某些情况下还包括专辑封面）。但是，评级、播放历史记录、播放次数、书签、音量调节元数据、专辑艺术家、作曲家、歌词等高级元数据存储在 Android 版 MediaMonkey (MMA) 数据库中，因此只有在 MMA 和 Windows 版 MediaMonkey (MMW) 之间同步曲目和相关元数据后才可见。如果出现以下情况，高级元数据可能会丢失：
- 文件未经同步就被复制到 Android 设备。例如，如果曲目是通过 Windows 版 MediaMonkey 以外的应用程序复制的；或者如果曲目被复制到 SD 卡。
- 文件在 Windows 版 MediaMonkey 和 Android 版 MediaMonkey 之间同步，但数据库更新失败。例如，在数据库更新之前同步过程被取消。
在这种情况下，曲目属性由 Android 的媒体扫描仪读取并显示在 MediaMonkey 中，但仅限于上述基本元数据。还请注意，在这种情况下，如果曲目的标签一开始是空的（例如，因为曲目属性仅包含在文件名中，而不包含在标签中），则曲目将出现在 Android 版 MediaMonkey 中，但不包含任何元数据。
要解决此问题，请从设备中删除有问题的文件，然后将 MMW 与 MMA 同步。
Android devices are able to read basic metadata from multimedia files (e.g. Artist, Album, Title, and Track#, and in some cases Album Art). However, advanced metadata such as ratings, play history, play count, bookmarks, volume leveling metadata, Album Artist, Composer, Lyrics, etc. are stored within the MediaMonkey for Android (MMA) database and are therefore only visible if the tracks and associated metadata have been synced between MMA and MediaMonkey for Windows (MMW). Advanced metadata may be missing if:
- Files are copied to the Android device without syncing. e.g. if the tracks are copied by an application other than MediaMonkey for Windows; or if they’re copied to an SD card.
- Files are synced between MediaMonkey for Windows and MediaMonkey for Android but there is a failure in the database update. e.g. the sync process is cancelled before the database has been updated.
In such cases, track properties are read by Android’s media scanner and displayed in MediaMonkey, but will be limited to the basic metadata described above. Note also, that in such a case, if the track’s tags are empty to begin with (e.g. because the track properties are contained only within the filename and not in the tags), then the tracks will appear without any metadata in MediaMonkey for Android.
To fix this, delete problematic files from the device and then sync MMW with MMA .
Applies to: MMA, MMA↔MMW
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