- Extension
- .f4v
- .gsm
- Format
- Binary
- Binary
- Category
- Video
- Audio
- Developer
- Adobe Systems
- European Telecommunications Standards Institute (ETSI)
- 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.
- A lossy file format used to compress speech in Global Standard for Mobile (GSM) telecommunications. It is very effective for reducing audio file size. However, encoding and decoding audio signals severally is discouraged as the final product will have a lot of noise. Popular with some voice mail software but it is CPU intensive.
- MIME Type
- video/x-f4v
- audio/x-gsm
