1) Upload AMR file to convert
Drop files here, or Click to select
2) Set converting AMR to MP4 options
3) Get converted file
File extension | .AMR |
Category | Audio File |
Description | The AMR format uses a speech coding pattern, which is now applied in the GSM system. It encodes compressed spoken audio data and uses multi-rate codecs, such as DTX, ACELP, CNG and VAD. There are eight bitrate values for AMR, ranging from 4.75 kb/s to 12.2 kb/s. This structure allows the codecs to create a group of 160 twenty-millisecond-long samples within a frame. AMR files can be played in a number of Windows-based media players, as well as mobile devices, such as Android, Apple, etc. Most users prefer to convert AMR tracks to MP3, WMA, etc. tracks. |
Associated programs | Media Player Classic |
Developed by | |
MIME type | audio/amr audio/3gpp audio/3gpp2 |
Useful links | More detailed information on AMR files |
Conversion type | AMR to MP4 |
File extension | .MP4 |
Category | Audio File |
Description | MP4 files can contain video and sound data. It is a file container that supports different multimedia content types such as multiple audio streams, subtitles, 2D and 3D image frames. MP4 is also used for streaming media services (online or digital TV). This file type supports the control of transmission speeds for media signal, as well as correcting corrupted frames. Thanks to comparatively low system requirements, MP4 is now the most popular container type for sharing media. |
Associated programs | Apple QuickTime Player Apple iTunes Microsoft Windows Media Player VideoLAN VLC Media Player |
Developed by | Moving Picture Experts Group |
MIME type | |
Useful links | More detailed information on MP4 files |
The AMR to MP4 conversion tool on CoolUtils is designed to seamlessly transform your AMR files into the more versatile MP4 format. AMR, or Adaptive Multi-Rate audio codec, is primarily used for voice recordings on mobile devices. While it provides efficient compression for speech, AMR files have limited compatibility with multimedia players and devices. Converting AMR to MP4 resolves these compatibility issues, enabling playback on a wide range of devices, including smartphones, tablets, and computers.
The benefits of converting your AMR files to MP4 are manifold. MP4 format offers broader compatibility with most media players, ensuring you can access your audio anywhere, anytime. Additionally, MP4 files often exhibit better compression without significant loss of audio quality, making it an ideal format for sharing and storage.
This conversion tool stands out from others in the market due to its user-friendly interface and high-speed processing capabilities. No specialized skills are required; simply upload your AMR file, and the tool performs the conversion swiftly while maintaining the integrity of the original audio. Unlike many other services, CoolUtils does not compromise on audio quality, ensuring your converted files sound as clear and crisp as the original.
Furthermore, this service does not require installation or registration, making it accessible for users seeking a quick and reliable solution. With our AMR to MP4 converter, enjoy the perfect blend of efficiency, quality, and convenience, making it the preferred choice for users worldwide.