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.
Below you will find an index of software programs that can be used to open AMR files divided into 3 categories according to system platform supported. Files with AMR extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.
There can be multiple causes why you have problems with opening AMR files on given system. On the bright side, the most encountered issues pertaining to Adaptive Multi-Rate Codec Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.
Problems with opening and working with AMR files are most probably having to do with no proper software compatible with AMR files being present on your machine. The most obvious solution is to download and install QuickTime Player or one to the listed programs: VLC media player, RealPlayer, ALLPlayer. The full list of programs grouped by operating systems can be found above. One of the most risk-free method of downloading software is using links provided by official distributors. Visit QuickTime Player website and download the installer.
You still cannot access AMR files although QuickTime Player is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. The reason that QuickTime Player cannot handle files with AMR may be that the software is outdated. The most recent version of QuickTime Player is backward compatible and can handle file formats supported by older versions of the software.
After installing QuickTime Player (the most recent version) make sure that it is set as the default application to open AMR files. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.
Selecting the first-choice application in Windows
Selecting the first-choice application in Mac OS
Should the problem still occur after following steps 1-3, check if the AMR file is valid. It is probable that the file is corrupted and thus cannot be accessed.
If the file is infected, the malware that resides in the AMR file hinders attempts to open it. Scan the AMR file as well as your computer for malware or viruses. If the scanner detected that the AMR file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.
If the AMR file was sent to you by someone else, ask this person to resend the file to you. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. It could happen the the download process of file with AMR extension was interrupted and the file data is defective. Download the file again from the same source.
Some files require elevated access rights to open them. Log out of your current account and log in to an account with sufficient access privileges. Then open the Adaptive Multi-Rate Codec Format file.
The operating systems may note enough free resources to run the application that support AMR files. Close all running programs and try opening the AMR file.
Latest versions of programs and drivers may help you solve problems with Adaptive Multi-Rate Codec Format files and ensure security of your device and operating system. It may be the case that the AMR files work properly with updated software that addresses some system bugs.
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