Audio Conversion
Convert AU to AIFF Online — Free
Fast, free AU to AIFF converter. No registration required.
或从以下导入
200万+文件已转换
数千用户的信赖之选
安全传输
HTTPS 加密上传
隐私优先
文件处理后自动删除
无需注册
即刻开始转换
随处可用
任何浏览器，任何设备
如何转换
1
Upload your .au file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .aiff file when it's ready.
什么是 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.
格式详情
- 全称
- Sun Microsystems Audio
- 扩展名
- .au
主要特点
- Unix standard
- Java audio
- Simple format
- Legacy support
什么是 AIFF？
AIFF is an uncompressed audio format developed by Apple. Like WAV, it provides perfect audio quality but results in large file sizes.
格式详情
- 全称
- Audio Interchange File Format
- 扩展名
- .aiff
主要特点
- Lossless quality
- Apple standard
- Professional audio
- No compression
AU 与 AIFF 对比
| 特性 | AU | AIFF |
|---|---|---|
| 全称 | Sun Microsystems Audio | Audio Interchange File Format |
| 扩展名 | .au | .aiff |
| 最适合 | Unix standard | Lossless quality |
常见问题
Converting between lossless formats preserves perfect quality. When converting to lossy formats, our optimized encoding minimizes any audible difference. You can adjust bitrate to control quality vs. file size.
We preserve ID3 tags, album art, and metadata when both AU and AIFF support them. Some metadata may not transfer between incompatible formats.
Pro users can batch convert multiple audio files simultaneously. Free users convert one file at a time with up to 5 free conversions per day.
We support all standard sample rates from 8kHz (voice) up to 192kHz (studio quality). The default preserves your source file's sample rate.
Yes. Our audio converter handles music, podcasts, voice memos, and audiobook files. For podcasts, we recommend MP3 at 128-192kbps for the best balance of quality and file size.