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Amr文件转换为ALAC？

点击「选择AMR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ALAC」获取文件

全场景AMR to ALAC格式兼容转换

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

行业领先的Amr格式转换专家

智能优化算法保障Amr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 AMR file?

AMR (Adaptive Multi-Rate) is an audio format optimized for speech encoding, widely used in mobile phone recordings, VoIP calls, and narrowband audio transmission. AMR supports multi-format conversion via FFmpeg, providing efficient compression and good voice quality, suitable for mobile communications and voice recording.

开发团队： 3rd Generation Partnership Project (3GPP)
首发时间： 1998
相关链接：

https://en.wikipedia.org/wiki/Adaptive_Multi-Rate_audio_codec

https://www.3gpp.org/

https://ffmpeg.org/

What is an ALAC file?

ALAC (Apple Lossless Audio Codec) is a lossless audio format developed by Apple, commonly using the .m4a file extension. It is widely used in the Apple ecosystem and provides lossless compression, ensuring that audio files retain all their details without any loss in quality. ALAC is suitable for music production, recording, and audio editing.