How do AAC and WMAcompare? Here's everything you need to know to choose the right format — and how to convert between them.
Advanced Audio Coding
AAC is the successor to MP3, offering better sound quality at lower bitrates. It's the default audio format for Apple Music, YouTube, and most streaming platforms.
Windows Media Audio
WMA is Microsoft's proprietary audio format. While it offered competitive quality in the early 2000s, it has largely been superseded by AAC and other formats. It's still encountered in legacy Windows media libraries.
| Specification | AAC | WMA |
|---|---|---|
| Full name | Advanced Audio Coding | Windows Media Audio |
| Extension | .aac | .wma |
| MIME type | audio/aac | audio/x-ms-wma |
| Category | Audio | Audio |
| Developer | ISO / Fraunhofer / Dolby / Sony / Nokia | Microsoft |
| Year introduced | 1997 | 1999 |
| Compression | Lossy | Lossy |
Both are excellent audio formats. AAC is preferred for apple music and itunes, while WMA shines at legacy windows media libraries.
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