What is amr file on the mobile phone and how to open the arm file?

The AMR (Adaptive Multi-Rate and Adaptive Multi-Rate Wideband) interface card makes the interface circuit, analog circuit, and decoder of the audio and MODEM on it, from the above, we cannot see the association between the interface card file and the amr file in our mobile phone.

Some netizens added:

Android mobile phone's WeChat voice file is an amr file of this type. If you are an Android phone, it is estimated that the file is correct.

There are two types of amr files,

1. One is the general amr format, which can be played on any player.

2. Another kind of amr file. Although the suffix of this file is amr, it is actually not in the real amr format.

How to convert an amr file

1. Enable the recorder software in windows;

2. Enable storm audio and video (or other software that can play the amr format) and play the amr file;

3. Activate the storm audio and video software interface, and place the left hand side on the space key;

4. Place the right hand mouse over the recording key of the recorder software (little red dot;

5. Press the space key and mouse at the same time to stop recording when the file is played;

6. Recorder software, File menu, save the recording in WAV format

Note:

The amr file can be played only after being copied to the computer from the mobile phone drive letter. If the amr file is under the mobile phone drive letter, the amr player cannot play these files.