- Extension
- .cvs
- .gsrt
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Motorola
- Grandstream
- Description
- Continuously Variable Slope Delta modulation is a voice coding method. It is a delta modulation with variable step size (adaptive delta modulation), first proposed by Greefkes and Riemens in 1970.
- Grandstream ring-tone files. Whilst this file format can contain A-Law, μ-law, GSM, G.722, G.723, G.726, G.728, or iLBC encoded audio, SoX supports reading and writing only A-Law and μ-law.
- MIME Type
- application/octet-stream
- audio/x-gsrt
