- Extension
- .m4b
- .avchd
- Format
- Binary
- Binary
- Category
- Audio
- Video
- Developer
- Apple
- Sony, Panasonic
- Description
- It is an audiobook file compressed using .AAC algorithm based on MPEG-4 container format. It is similar to .M4A file but its denoted as an audiobook and supporting audio players can bookmark it.
- AVCHD (Advanced Video Coding High Definition) is a file format designed for recording and playing back high definition video. It is commonly used in digital camcorders and cameras for capturing HD footage. AVCHD leverages the MPEG-4 AVC/H.264 video compression codec, which efficiently reduces file sizes while preserving high-quality video resolution, and supports both Dolby AC-3 and linear PCM audio codecs for high-quality sound.
- MIME Type
- audio/x-m4a
- video/x-avchd
