OpusをM4Aに変換
Opus音源をM4Aファイルに変換すれば、iPhoneやMacで標準のまま開けます。
変換元
To
Opus
The most efficient audio codec available, built for the modern web. Excellent quality even at very low bitrates.
M4A
The AAC audio container used by Apple Music and iTunes. Better quality than MP3 at the same size.