1. Click "Choose Files" button and select your SPH files you would like converted.
2. Click on the “Convert to PVF” button to start the conversion.
3. When the status change to “Done” click the “Download PVF” button
To convert in the opposite direction, click here to convert from PVF to SPH
An SPH audio file (created using NIST SPHERE format, often utilized for speech recognition research). These waveform files include recordings of human speaking which can then be fed as input to speech recognition systems. Unfortunately, these files are quite uncommon; most popular media players do not support them. SPH files contain both human-readable headers with name value pairs arranged in ...
PVF is a low-bandwidth ADPCM-based digital audio file format used for recording and storing human speech. This format is typically found with legacy voice modems or software-based answering machines; however, it's also used by Authentica's PageRecall product for secure document storage which cannot be read outside its system of origin. The Bentley Historical Library prefers uncompressed WAV (Waveform Audio File) ...
Upload a SPH file, click "Convert", and use additional options to quickly modify its contents before downloading the final PVF file after processing has completed.
Our SPH to PVF 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.
