FLAC 转 M4A
把 FLAC 专辑转成 M4A，导入 Apple Music 和同步到 iPhone 都毫无障碍。
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FLAC
Lossless compressed audio — CD quality at roughly half the size of WAV. The archival format of choice for music collections.
M4A
The AAC audio container used by Apple Music and iTunes. Better quality than MP3 at the same size.