Page 37 - ITU Journal, ICT Discoveries, Volume 3, No. 1, June 2020 Special issue: The future of video and immersive media
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ITU Journal: ICT Discoveries, Vol. 3(1), June 2020



          Table 1 provides a summary of key contributions      wider and earlier adoption, without handicaps for
          and insights from the ImAc project, categorized by   any citizen. This can also contribute to avoiding the
          the involved platform components and parts.          proliferation  of  isolated  and  closed  add-on
                                                               solutions,   by   designing   standard-compliant
           Table 1 – Contributions and insights from the ImAc project
                                                               end-to-end solutions that encompass all stages from
            Platform                                           media authoring to media consumption.
           components     Contributions / Recommendations
                       –  Extension to media formats (e.g., IMSC   This  paper  has  presented  an  overview  of  the
                          subtitles, accompanying metadata for   contributions  of  the  ImAc  project  towards
                          sign language videos).
                       –  Narrative and storytelling (e.g., scripting   seamlessly integrating accessibility services within
                          and spatial presentation modes for   immersive media. Standardization possibilities and
             Content                                           contributions in this context have been identified as
           production /   audio description, positioning of
            Authoring     subtitles)                           well.  Although  the  presented  contributions  are
                       –  Content creation guidelines          primarily  focused  on  VR360  content  and  on  the
                       –  Presentation modes (e.g., spatial modes
                          for audio description, non-continuous   broadcast sector, their applicability spans to other
                          sign language video based on speaker’s   areas,  and  can  pave  the  way  for  next-generation
                          activity)                            accessible  immersive  experiences,  considering
             Service                                           volumetric media and 6DoF VR scenarios, even in
            provider   –  Service description and signaling    multi-user settings.
             Content   –  Content encoding, mixing and packaging
           preparation /   –  Content description and signaling
           Distribution                                        ACKNOWLEDGEMENT
                       –  Media interpretation
                       –  Interaction and hyper-personalization   This  work  has  been  partially  funded  by  the
                       –  Presentation modes for visual elements   European  Union’s  Horizon  2020  program,  under
                          (user-reference, scene-reference, auto-  agreement  number  761974  (ImAc  project).  Work
                          positioning).                        by Mario Montagud has been additionally funded by
                       –  Presentation modes for 3D audio (gains,   the  Spanish  Ministry  of  Science,  Innovation  and
                          spatial combinations, scripting modes).
             Content   –  Interaction modalities (e.g., adaptive   Universities with a Juan de la Cierva – Incorporación
           consumption    UIs, voice control)                  grant  (with  reference  IJCI-2017-34611),  and  by
                       –  Assistive technologies (e.g., voice   Fundación  BBVA  with  a  “Beca  Leonardo  a
                          control, augmentation, guiding       Investigadores y Creadores Culturales 2018”. Work
                          methods)
                       –  Synchronization (intra-media, inter-  by Pilar Orero has been additionally funded by the
                          media, inter-device).                Catalan  Government  with  the  funded  TransMedia
                       –  Multiscreen scenarios (HbbTV, web)   Catalonia   research   group,   with    reference
                       –  Evaluation methodologies             2019SGR113.

          5.   CONCLUSION                                      REFERENCES
          Providing cutting-edge technology to all citizens is   [1]   M.  Montagud,  P.  Orero,  A.  Matamala,
          essential to achieve global e-inclusion. The use of VR     “Culture 4 All: Accessibility-Enabled Cultural
          technologies  and,  in  particular,  of  VR360  content    Experiences  through  Immersive  VR360
          can  provide  great  benefits  in  a  wide  variety  of    content”, Personal and Ubiquitous Computing,
          sectors.  However,  as  in  any  (multimedia)  service,    2020, DOI: 10.1007/s00779-019-01357-3.
          accessibility  becomes  an  essential  requirement to
          achieve  universal  access  to  the  information,  and   [2]   Virtual Reality: How are public broadcasters
          effective content comprehension by everyone.               using    it?   2017.    Retrieved    from:
                                                                     https://www.ebu.ch/publications/virtual-
          The  specification,  development  and  evaluation  of      reality-how-are-public-broadcasters-using-it
          accessibility  solutions  for  novel  technologies,  like   European Broadcasting Union (EBU) Report.
          VR,  is  more  challenging  than  for  traditional         Last accessed in December 2019.
          technologies. This is due to the fact that no other
          comparable  accessibility  solutions  exist  and  the   [3]   United   Nations   Centre   for   Regional
          consumers  are  not  yet  used  to  these  novel           Development (UNCRD) https://www.un.org/
          technologies.  However,  considering  accessibility        development/desa/disabilities/disability-
          since the early development of novel technologies          and-ageing.html.    Last    accessed     in
          contributes  to  more  effective  solutions  and  to  a    December 2019.




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