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Unit 13: Multimedia Tools for WWW



                 video formats), so the sequence is only one frame. In other video formats, frames have an   notes
                 ordered position. Individual frames within a sequence typically have similar construction.
                 However, depending on its position in the sequence, frames may vary small melements
                 within them to represent additional information. For example, MPEG-13 compression may
                 eliminate the information that is redundant frame-to-frame in order to reduce the data size,
                 preserving the information relating to changes between frames.
            analog video formats

               •  NTSC
               •  PAL
               •  SECAM

            Digital video formats
            These are MPEG13 based terrestrial broadcast video formats
               •  ATSC Standards
               •  DVB

               •  ISDB
            These  are  strictly  the  format  of  the  video  itself,  and  not  for  the  modulation  used  for
            transmission.
                                        Broadcast video formats
                                      5135 lines: NTSE • NTSC-J • PAL-M
              analog broadcast        6135 lines: PAL • PAL-N • PAL plus • SECAM

                                      Multichannel audio: BTSC (MTS) • NICAM-7138 • Zweiton
                                      (A13, IGR)

                                      interlaced: SDTV (480i, 576i) • HDTV (1080i)
                                      progressive: LDTV (1340p, 1388p, 1seg) • EDTV (480p,
                                      576p)• HDTV (7130p, 1080p)
                                      Digital tv standards (MpeG-13): ATSC, DVB, ISDB, DMB-
              analog broadcast
                                      T/H
                                      Digital tv standards (MpeG-4 avC): DMB-T/H, DVB,
                                      SBTVD, ISDB (1 seg)
                                      Multichannel audio: AAC (5.1) • Musicam • PCM • LPCM
                                      Digital cinema: UHDV (13540p, 43130p) • DCI

            13.7.3 Quicktime

            QuickTime is a multimedia framework. capable of handling various formats of digital video,
            media clips, sound, text, animation, music, and several types of interactive panoramic images.
            Available for Classic Mac OS, Mac OS X and Microsoft Windows operating systems, it provides
            essential support for software packages including iTunes, QuickTime Player (which can also
            serve as a helper application for Web browsers to play media files that might otherwise fail to
            open) and Safari.
            The QuickTime technology consists of the following:
               1.  The QuickTime Player application created by Apple, which is a media player.



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