- Extension
- .f4v
- .gsrt
- Format
- Binary
- Binary
- Category
- Video
- Audio
- Developer
- Adobe Systems
- Grandstream
- Description
- Video container format used by Adobe Flash; based on the ISO MP4 format, which is based on the Apple QuickTime container format; specified by ISO/IEC 14496-12 as a base media file format; supported by Flash Player Update 3 (9,0,115,0) and higher.
- 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
- video/x-f4v
- audio/x-gsrt
