The principle of compression is to reduce the accuracy of some parts of the sound stream, which is almost indistinguishable to most people's ears. MP3 files can be created with high or low bit rate, which affects the quality of the resulting file. Actions: M4R Converter View other audio file formats Technical Details: M4R is essentially a renamed AAC (M4A) file - it is similar to MP3 but compresses the digital audio files further. Despite the fact that, due to the age of MP3, today it does not shine with compression efficiency, its popularity remains very high due to its versatility - the extension is supported on any operating system, a lot of both standard and specialized multimedia software plays this file format. An M4R ring tone is automatically transferred to a user's iPhone when the iPhone is synced with the user's computer. Other advantages of MP3 include excellent compatibility with various programs and audio devices. What is an M4A (MPEG 4 Audio) file MPEG 4 Audio (M4A) compresses and encodes audio files by using one of two coder-decoder algorithms: Advanced Audio Coding (AAC) or Apple Lossless Audio Codec (ALAC).M4A files are smaller in size while simultaneously better in quality than MP3 files, with which it shares the most similarities, in comparison to all other audio file formats. Compared to lossy files, MP3 songs take up much less disk space thanks to a special algorithm. The emergence of the MP3 format was made possible by the joint efforts of a development team of almost 40 people who have been working on the project for several years. 2 Next, click the 'Convert' button and wait for the conversion to complete. You can upload files from your computer, via a link or from the file storage. Popular compression and lossy format with small file size and far from the highest sound quality. 1 To get started, upload one or more M4A files.

Convert from m4r to mp3