Convert GSM to M4A
Convert your GSM files to M4A online
GSM digital audio format
Developed in Europe, this format was designed for mobile users. GSM is used for audio files that contain a large amount of audio information. Suitable for voice recordings, including recordings of phone calls. You can compress and archive a GSM file to achieve a different file size. The format is mostly used to create and store voice information. There are 4 types of this format that can be opened using different applications.
M4A, which is short for MPEG-4
Developed by Apple in 2004, M4A is an audio file created in a multimedia format. It is used to store compressed video and audio files. Worth noting, M4A files can also store images. Using different codecs, you can compress the file with or without losses. M4A is an improved version of the mp3 format. You can convert it to other formats without any loss of quality and size. Playable on devices powered by any Apple platform.