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 While it offered competitive quality in the early 2000s, it has largely been superseded by AAC and other formats.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

7 conversion options available

WMA to MP3WMA to WAVWMA to FLACWMA to OGGWMA to AACWMA to M4AWMA to AIFF

Convert to WMA from other formats

7 formats can be converted to WMA

MP3 to WMAWAV to WMAFLAC to WMAOGG to WMAAAC to WMAM4A to WMAAIFF to WMA

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Other audio formats

.mp3MP3

MPEG Audio Layer III

.wavWAV

Waveform Audio File Format

.flacFLAC

Free Lossless Audio Codec

.oggOGG

Ogg Vorbis

.aacAAC

Advanced Audio Coding

.m4aM4A

MPEG-4 Audio

.aiffAIFF

Audio Interchange File Format