欢迎使用智能文件转换平台

上传文件开始转换，支持本地文件上传或远程链接导入

${shortenFileName(item.file_name)} ${formatBytes(item.file_size)}

输出格式：

已上传 ${items.length} 个文件

Convert

如何将Aac文件转换为M4A？

点击「选择AAC文件」按钮上传您的源文件
点击「立即转换」启动智能转码流程
状态显示「转换完成」后，点击「下载M4A」获取文件

全场景AAC to M4A格式兼容转换

本工具支持将多种类型的 Aac 转换为 M4A。可将 MP3, WAV, FLAC, AIFF, OGG, M4A, WMA, OPUS, AMR, AC3 转换为 M4A。

行业领先的Aac格式转换专家

智能优化算法保障Aac转换质量，支持批量处理与自定义分辨率/码率/帧率设置

零成本·军工级安全

基于浏览器即点即用，采用金融级256位SSL加密传输，所有文件72分钟后自动焚毁

What is an AAC file?

AAC (Advanced Audio Codec) is a more efficient audio compression format than MP3, offering better sound quality while taking up less storage. It is widely used in streaming, Apple devices, and mobile platforms. AAC supports multiple profiles, making it suitable for various applications, including low-bitrate audio transmission and high-fidelity audio playback.

开发团队： Fraunhofer IIS, Dolby, Sony, Nokia
首发时间： 1997
相关链接：

https://en.wikipedia.org/wiki/Advanced_Audio_Codec

https://www.videolan.org/vlc/index.html

https://ffmpeg.org/

What is an M4A file?

M4A is an audio container format developed by Apple, based on the MPEG-4 standard. Widely used for high-quality audio storage, iOS devices, and the iTunes platform. M4A files typically use AAC or ALAC encoding, providing efficient compression and high-quality audio output. Supports multi-format conversion via FFmpeg and is compatible with various players and editing tools. M4A format is ideal for both lossless and lossy audio, suitable for music, podcasts, and other audio content distribution.

https://en.wikipedia.org/wiki/MPEG-4_Part_14

https://developer.apple.com/documentation/coremedia

https://ffmpeg.org/documentation.html