Audio format

.wma

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 While it offered competitive quality in the early 2000s, it has largely been superseded by AAC and other formats.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.

MIME type

audio/x-ms-wma

Developer

Microsoft

Introduced

1999

Advantages

  • Good compression at low bitrates
  • DRM support for content protection
  • Native Windows support
  • Lossless mode available

Limitations

  • Limited cross-platform support
  • Proprietary format
  • Declining popularity
  • Not supported on many portable devices

When to use WMA

Legacy Windows media libraries
Windows-based audio systems
DRM-protected content
Older portable devices

Technical details

WMA uses a modified DCT codec. WMA Standard supports up to 320 kbps, WMA Pro supports up to 768 kbps with 7.1 surround. WMA Lossless provides bit-perfect compression.

Convert WMA to other formats

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Convert to WMA from other formats

7 formats can be converted to WMA

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