SPH to GSM Converter

Convert SPH to GSM online and free

    How to convert SPH to GSM file?

    1. Click "Choose Files" button and select your SPH files you would like converted.

    2. Click on the “Convert to GSM” button to start the conversion.

    3. When the status change to “Done” click the “Download GSM” button

    To convert in the opposite direction, click here to convert from GSM to SPH

    GSM to SPH converter

    SPH files are NIST SPHERE waveform files used in speech recognition research. They store human speech recordings for training AI models. ...

    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. ...

    FAQ

    Quickly and Easily

    Upload a SPH file, click "Convert", and use additional options to quickly modify its contents before downloading the final GSM file after processing has completed.

    Conversion from Anywhere

    Our SPH to GSM 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!

    Security guaranteed

    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.