- Extension
- .3g2
- .sph
- Format
- Binary
- Binary
- Category
- Video
- Audio
- Developer
- 3rd Generation Partnership Project
- NIST
- Description
- A 3G2 file is a multimedia file saved in an audio and video format developed by the 3rd Generation Partnership Project 2 (3GPP2). 3G2 files are designed for transmitting multimedia content over the Internet and are used by cell phones to save video files.
- 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.
- MIME Type
- video/3gpp2
- audio/x-nist-sph
