Hybrid Under the Orange Book standard for recordable CD, hybrid means a recordable disc on which one or more sessions are already recorded, but the disc is not closed, leaving space open for future recording. Indexes Indexes provide additional starting points within a single audio track . Not all audio CD players support indexes. Index markers are written into the Q subchannel and are incremented by 1 sequentially during the track. Some other common logical formats such as Joliet and Rock Ridge are extensions of ISO 9660.
Image See disc image .
Interchange Levels Methods of recording and naming files on disc under the ISO 9660 standard. There are three nested, downward-compatible Levels. A filename may not contain more than eight d-characters . A Filename Extension may not contain more than three d-characters. A directory name may not contain more than eight d-characters.