amr
(Adaptive Multi-Rate Codec File)
amr 文件是手机经常使用的压缩音频文件。例如, 此文件可以包含语音录制或语音框消息。该格式由爱立信开发。
AMR files are compressed audio files which are often used by cell phones. This files can contain voice recordings or voicebox messages for example. The format was developed by Ericsson.