#AMR TO M4A CONVERTER ANDROID HOW TO#

#AMR TO M4A CONVERTER ANDROID HOW TO#

Though AMR file format was not designed for music and videos, there are certain instances when you might come across them and be confused on how to open them.

How to Open AMR files on PC/Smartphone/Tablet However, since AMR file format was initially designed for storing speech or audio recordings, quality is likely to be compromised if other media files are converted into AMR. There are also other programs, both free and proprietary that can be used to convert files from this format to other various formats and vice versa. There are a number of modern telephones that has the capability to store short audio recordings using the AMR format.

In addition to compressing speech, the AMR file format can also be used for the storage of spoken audio using the same codec. The multi-rate codec available for normal AMR files include ACELP, DTX, CAD and CNG. The structure of AMR allows the creation of a group of 160 twenty millisecond long samples by the codec in one frame. A typical AMR speech codec will have a multi-rate of eight bitrate values that range from 4.75kb/s to 12.2 kb/s. It is a technology that utilizes audio compression formats primarily for speech. AMR is an abbreviation for Adaptive Multi-Rate Audio Codec.

Amr to m4a converter android