What file is the AMR extension?

First, what is AMR file?

AMR (Audio/modem Riser, Voice/modem card) is an open industry standard that defines an expansion card that can support both sound and modem functions. This kind of design can effectively reduce the cost and simultaneously solve some limitations on the function of voice and modem subsystem.

AMR (full name is Adaptibve multi-rate), in addition to Nokia for WB-AMR format (AWB) of the business name of the ring, it was 3GPP (3rd Generation Partnership Project, the third generation Partner Program) Selected for GSM and 3G WCDMA application of the broadband language coding standards, is an audio format. At present, the AMR format appears to be more of Nokia, Sony Ericsson system of some mobile phones.

Second, AMR file with what open?

Now need to open the AMR file There are many, now more popular audio players can open this file, such as: Baidu Audio and video, chin-listening software, these software can be very good to open AMR files, if it is necessary to use some video software to open, We just need to set up the AMR file in the video file.