Convert AU to M4A Online — Free
Fast, free AU to M4A converter. No registration required.
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Upload your .au file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .m4a file when it's ready.
Hva er AU?
AU is an audio format created by Sun Microsystems. It's one of the oldest digital audio formats, commonly used on Unix and Java platforms.
Formatdetaljer
- Fullt navn
- Sun Microsystems Audio
- Filendelse
- .au
Viktige egenskaper
- Unix standard
- Java audio
- Simple format
- Legacy support
Hva er M4A?
M4A is an audio-only MPEG-4 container, commonly using AAC encoding. It provides better quality than MP3 at similar file sizes.
Formatdetaljer
- Fullt navn
- MPEG-4 Audio
- Filendelse
- .m4a
Viktige egenskaper
- Better than MP3
- Apple ecosystem
- AAC encoding
- Metadata support
AU vs M4A
| Egenskap | AU | M4A |
|---|---|---|
| Fullt navn | Sun Microsystems Audio | MPEG-4 Audio |
| Filendelse | .au | .m4a |
| Best egnet for | Unix standard | Better than MP3 |