Convert MP3 to M4P Online — Free
Fast, free MP3 to M4P converter. No registration required.
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如何转换
Upload your .mp3 file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .m4p file when it's ready.
什么是 MP3？
MP3 is the most popular audio format worldwide. It uses lossy compression to reduce file size while maintaining acceptable audio quality for most listeners.
格式详情
- 全称
- MPEG Audio Layer III
- 扩展名
- .mp3
主要特点
- Universal compatibility
- Small file sizes
- Streaming support
- ID3 tag support
什么是 M4P？
M4P is the iTunes Protected AAC format, used by Apple for DRM-protected music purchased from the iTunes Store before 2009. It uses the MPEG-4 Audio container with Apple FairPlay encryption wrapping AAC-encoded audio. Unprotected M4P files (after DRM removal) can be converted to standard audio formats.
格式详情
- 全称
- iTunes Protected AAC
- 扩展名
- .m4p
主要特点
- AAC audio codec
- FairPlay DRM wrapper
- MPEG-4 container
- iTunes metadata support
MP3 与 M4P 对比
| 特性 | MP3 | M4P |
|---|---|---|
| 全称 | MPEG Audio Layer III | iTunes Protected AAC |
| 扩展名 | .mp3 | .m4p |
| 最适合 | Universal compatibility | AAC audio codec |