1. Click "Choose Files" button and select your NIST files you would like converted.
2. Click on the “Convert to OPUS” button to start the conversion.
3. When the status change to “Done” click the “Download OPUS” button
To convert in the opposite direction, click here to convert from OPUS 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 ...
OPUS is an audio file format designed to replace MP3 as one of the world's most widely supported lossy audio storage formats. Like many audio codecs, OPUS employs data compression techniques in order to reduce file sizes without altering sound quality. Combining CELT music coding and speech-oriented SILK codec, and offering variable bitrate encoding of 6kbit/s to 510 kbit/s; variable ...
Upload a NIST file, click "Convert", and use additional options to quickly modify its contents before downloading the final OPUS file after processing has completed.
Our NIST to OPUS 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.
