OnlineOPUS to NIST, you can put the OPUS to NIST format on your computer, tablet or mobile phone without downloading any software!
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.opus Sound coding format
Opus is a sound encoding format, and Opus's predecessor was the celt encoder. Developed by the IETF for real-time voice transmission over the network, the standard format is RFC 6716., What is the OPUS format?
.nist NIST (National Institute of Standards and Technology)
SPHERE (SPeech HEader Resources) is a file format defined by NIST (National Institute of Standards and Technology) and is used with speech audio. SoX can read these files when they contain μ-law and PCM data. It will ignore any header information that says the data is compressed using shorten compression and will treat the data as either μ-law or PCM. This will allow SoX and the command line shorten program to be run together using pipes to encompasses the data and then pass the result to SoX for processing., What is the NIST format?