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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