免費線上 W64 轉 M4A 轉換器

Sonic Foundry’s 64-bit RIFF/WAV format.

This is a lossless-format (and encoding algorithm) for Apple platforms. M4A is widely used in iPod players and as a component in QuickTime media-players. The m4a codecs decoder is found in open sources - this allows third party users to open files in that format.