The AMR format is usually used for storing speech recorded with mobile phone voice recorders (e.g.: smartphones). Recording stored in this format may be of various length. They are usually short, up to several dozens of minutes. AMR is a format characterised by high level of compression. In order to open such file, user may utilise system software of his phone, or other supporting this type of files.
AMR stand forAdaptive Multi-Rate. This type of files enable to store sound. It was standardized as a codec in October 1999. It is a format for sound compression, dedicated for speech compression. AMR includes a multi-rate narrowband speech codec. It enables encoding narrowband signals (in the 200 – 3400 Hertz range). Bit rates varies between 4,75 and 12,2 kbps. Utilizing link adaptation, AMR selects 1 of 8 available bit rates. Its type depends on link conditions.
When you install one of the applications from the list of programs that you found here, you should be able to open or edit the file with the AMR extension without any issue. However, if you still have problems with this, you may use the option of AMR file conversion to a different format.
We hope we helped you solve the problem with the AMR file. If you do not know where you can download the application from our list, click on the link (which is the name of the program) - you will find more information there on the location where to download the secure setup version of the required application.
There can be more reasons which determine that you are not able to open the AMR file (apart from the lack of the proper application installed).
First - the AMR file may be incorrectly associated with the application installed to support it. In this case, you need to change this association by yourself. To do this, right-click on the AMR file that you want to edit, click "Open with" and then select the program from the list that you have installed. After this operation, the problems with opening the AMR file should be solved.
Second - the file you want to open can simply be damaged. Then, the best solution is to find a new version of given file, or download it again from the same source as before (maybe for some reason in the previous session the download of the AMR file has not been completed and it cannot be opened properly).
If you have additional information about the AMR file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on AMR file.