Audio format
What is a .gsm file?
The original GSM speech codec used by 2G mobile phones for voice calls. The files are tiny and unmistakably telephone audio: talking works, music turns into a metallic buzz.
fileclay opens GSM but doesn’t write it
When to use GSM
- Best for
- Telephony and voice archives.
- Advantages
- Efficient for speech.
- Disadvantages
- Low fidelity for music.
Convert GSM files
Questions about GSM
Which formats can I convert GSM files into?
fileclay can write 19 formats from a GSM file, including MP3, WAV, M4A, OGG, AAC and FLAC. Pick any of them as the output format when you drop the file in.