AtomicParsley help page for setting ISO copyright notices at movie & track level.
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  The ISO specification allows for setting copyright in a number of places. This copyright atom is
  independant of the iTunes-style --copyright tag that can be set. This ISO tag is identical to the
  3GP-style copyright. In fact, using --ISO-copyright can potentially overwrite the 3gp copyright
  asset if set at movie level & given the same language to set the copyright on. This copyright
  notice is the only metadata tag defined by the reference ISO 14496-12 specification.

  ISO copyright notices can be set at movie level, track level for a single track, or for all tracks.
  Multiple copyright notices are allowed, but they must differ in the language setting. To see avail-
  able languages use "AtomicParsley --language-list". Notices can be set in utf8 or utf16.

  --ISO-copyright  (str)  [movie|track|track=#]  [lang=3str]  [UTF16]   Set a copyright notice
                                                           # in 'track=#' denotes the target track
                                                           3str is the 3 letter ISO-639-2 language.
                                                           Brackets [] show optional parameters.
                                                           Defaults are: movie level, 'eng' in utf8.

example: AtomicParsley /path/file.mp4 -t 1      Note: the only way to see all contents is with -t 1 
example: AtomicParsley /path/file.mp4 --ISO-copyright "Sample"
example: AtomicParsley /path/file.mp4 --ISO-copyright "Sample" movie
example: AtomicParsley /path/file.mp4 --ISO-copyright "Sample" track=2 lang=urd
example: AtomicParsley /path/file.mp4 --ISO-copyright "Sample" track UTF16
example: AP --ISO-copyright "Example" track --ISO-copyright "Por Exemplo" track=2 lang=spa UTF16

Note: to remove the copyright, set the string to "" - the track and language must match the target.
example: --ISO-copyright "" track --ISO-copyright "" track=2 lang=spa

Note: (foo) denotes required arguments; [foo] denotes optional parameters & may have defaults.

