Convert GSM to SPH online and free
1. Click "Choose Files" button and select your GSM files you would like converted.
2. Click on the “Convert to SPH” button to start the conversion.
3. When the status change to “Done” click the “Download SPH” button
To convert in the opposite direction, click here to convert from SPH to GSM
GSM files are used for storing compressed voice data, commonly in telephony. They compress audio down to less than 10kbps and are often converted to MP3 for easier playback. ...
SPH files are NIST SPHERE waveform files used in speech recognition research. They store human speech recordings for training AI models. ...
Upload a GSM file, click "Convert", and use additional options to quickly modify its contents before downloading the final SPH file after processing has completed.
Our GSM to SPH converter works on Windows, Mac OS, Linux, iOS and Android systems alike - our servers automatically process each file without requiring you to install plug-ins or applications!
We guarantee 100% of the privacy and have no access to your files once uploaded/converted, making them inaccessible by anyone and completely protecting them.