What is the difference between .sph and .m4a?
- Extension
- .sph
- .m4a
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- NIST
- Apple
- 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.
- An M4A file is an audio file created in the MPEG-4 format, a multimedia container format used to store compressed audio and video data. It contains audio encoded with either the Advanced Audio Coding (AAC) codec or the Apple Lossless Audio Codec (ALAC).
- MIME Type
- audio/x-nist-sph
- audio/mp4
- Sample
- sample.sph
- sample.m4a
- Wikipedia
- .sph on Wikipedia
- .m4a on Wikipedia