1. Click "Choose Files" button and select your NIST files you would like converted.
2. Click on the “Convert to CAF” button to start the conversion.
3. When the status change to “Done” click the “Download CAF” button
To convert in the opposite direction, click here to convert from CAF to NIST
NIST files are sound recordings stored in the National Institute of Standards and Technology's Speech Header Resources Exchange Format (SPHERE), designed for speech recognition software like Hidden Markov Model Toolkit. NIST files consist of both metadata information as well as audio data in waveform format; VLC can playback these files while soX or FFmpeg may convert them to more common ...
What Is CAF Audio File? Apple Inc. developed Core Audio Format (CAF), an audio container format designed for efficient delivery, storage and playback of audio data. CAF overcomes limitations associated with older digital audio formats like AIFF and WAV by employing an efficient 64-bit file structure with uncompressed audio data chunks stored separately as uncompressed chunks, along with supporting additional ...
Upload a NIST file, click "Convert", and use additional options to quickly modify its contents before downloading the final CAF file after processing has completed.
Our NIST to CAF 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.