1. Click "Choose Files" button and select your AAC files you would like converted.
2. Click on the “Convert to NIST” button to start the conversion.
3. When the status change to “Done” click the “Download NIST” button
To convert in the opposite direction, click here to convert from NIST to AAC
AAC is an audio file format created to offer higher-quality music files at lower bitrates than MP3. AAC has been in widespread use since 1997 and has become the de facto digital audio codec used by YouTube, iTunes, Apple iPhone/iPod/iPad platforms, among other devices and platforms. AAC file formats employ a lossy compression algorithm to decrease data size while still ...
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 ...
Upload a AAC file, click "Convert", and use additional options to quickly modify its contents before downloading the final NIST file after processing has completed.
Our AAC to NIST 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.
