Audio Conversion
Convert WAV to M4A Online — Free
Fast, free WAV to M4A 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 .wav 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 .m4a file when it's ready.
什么是 WAV？
WAV is an uncompressed audio format developed by Microsoft and IBM. It provides perfect audio quality but results in large file sizes.
格式详情
- 全称
- Waveform Audio File Format
- 扩展名
- .wav
主要特点
- Lossless quality
- Professional standard
- No compression
- Wide compatibility
什么是 M4A？
M4A is an audio-only MPEG-4 container, commonly using AAC encoding. It provides better quality than MP3 at similar file sizes.
格式详情
- 全称
- MPEG-4 Audio
- 扩展名
- .m4a
主要特点
- Better than MP3
- Apple ecosystem
- AAC encoding
- Metadata support
WAV 与 M4A 对比
| 特性 | WAV | M4A |
|---|---|---|
| 全称 | Waveform Audio File Format | MPEG-4 Audio |
| 扩展名 | .wav | .m4a |
| 最适合 | Lossless quality | Better than MP3 |
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 WAV and M4A 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.