Online SPH Converter

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Information about SPH file format

Name SPH
Full name NIST SPHERE Audio File
File extension .sph
MIME type
Developed by Institute of Standards and Technology (NIST)
Type of format
Description Waveform audio file created in the NIST SPHERE format, which is often used in speech recognition research; often contains a recording of a person speaking; can be provided as input to speech recognition systems.
Technical details
Associated programs SoX
Wiki https://www.nist.gov/
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