- Extension
- .f4v
- .vms
- Format
- Binary
- Binary
- Category
- Video
- Audio
- Developer
- Adobe Systems
- VoidMail
- 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.
- Used in Germany to compress speech audio for voice mail. A self-describing variant of cvsd (Continuously Variable Slope Delta modulation).
- MIME Type
- video/x-f4v
- audio/x-vms-compressed-void-mail
