FILE SYSTEM

Directory Structure

File directory is based on ISO 9660 and the micro Universal Disk Format Specification (M-UDF).

The latest UDF specification (November 3, 1995) can be obtained from:

        Optical Storage Technology Association
        311 East Carrillo Street
        Santa Barbara, CA 93101
        USA

        Voice:  +1 805 963 3853
        Fax:    +1 805 962 1541
        E-mail: osta@aol.com

Example file structure:

Root ---------------------------------------------------
      |                               |              |
    Video_TS (directory)              Audio_TS      Provider defined
      |  
      |
      |
      | - Video_TS.INF  (Video Manager Information)
      | - Video_TS.VOB  (Video Manager Menu)
      | - Video_TS.BUP  (Video Manager Information)
      |
      | - TITLE_A.INF   (Video Title Set Information)
      | - TITLE_A0.INF   (Video Title Set Menu)
      | - TITLE_A1.VOB  (Video Title Set Title)
      | - TITLE_A2.VOB  (Video Title Set Title)
      | - TITLE_A.BUP   (Video Title Set Information)

Restrictions:

  • A maximum of 99 tiles may be on one DVD disc.
  • A maximum of 10 files per VTS
  • A maximum of 1 GByte per file

    Layout of Volume:

    Lead-in Data Recorded Area Lead Out IIIIIII DDDDDDDDDDDDDDDDDD OOOOOOOO ISO9660&M-UDF File 0 File 1

    Disc Type and Capacity

    Single layer
    Single sided
    (SL/SS)
    Dual layer
    Single sided
    (DL/SS)
    Single layer
    Double sided
    (SL/DS)
    Dual Layer
    Double sided
    (DL/DS)
    12 cm diameter disc4.7 GB 8.5 GB 9.4 GB 17 GB
    8 cm diameter disc1.4 GB 2.6 GB 2.9 GB 5.3 GB


    Recordable time on a disc scenarios:

    Minutes
    ApplicationStream typeTotal stream(s) rate
    (mbit/sec)
    Avg rate
    (mbit/sec)
    SL/SSDL/SSSL/DSDL/DS
    Movie4.8130236259472
    Video3.5
    Audio (AC-3, 3 languages)1.152
    Sub-picture
    Karaoke4.0155282310564
    Video3.5
    Audio (AC-3, 1 language)0.384
    Sub-picture
    Video Clip A5.2 120218340436
    Video3.5
    Audio (2 ch. PCM)1.536
    Sub-picture
    Video Clip B8.8 71129142258
    Video7.0
    Audio (2 ch. PCM)1.536
    Sub-picture
    Video Clip C8.475136149272
    Video7.0
    Audio (2 ch. PCM)1.536
    Sub-picture