Software Defined Media: Flexible Services Platform for Audio-Visual Applications

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Other Title
  • Software Defined Media: 視聴空間サービスのソフトウェア制御
  • Software Defined Media : シチョウ クウカン サービス ノ ソフトウェア セイギョ

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Abstract

Internet users come to enjoy various audio-visual services these days. Among these services, object-based audio-visual services are becoming important. We started the Software Defined Media (SDM) consortium to investigate object-based digital media and Internet-by-design audio-visual service. We design the SDM architecture that virtualizes the underlying audio-visual infrastructure installed in the place. We implemented a prototype system based on the architecture and presented in Interop 2015 Tokyo. Moreover, we organised hackathons to investigate the innovative application of the platform. We also study a tangible interface using the SDM prototype. To make a database of object-based audio-visual data, a baroque orchestra was recorded by various methods with 82 channels of microphones in total. We measured the delay of the application on the prototype platform and the result shows that the system has enough real-timeless to support major applications. The experimental evaluation of an interactive SDM application shows that the prototype system allows reflecting the intention of the application developer well.

Journal

  • Computer Software

    Computer Software 34 (3), 3_37-3_58, 2017

    Japan Society for Software Science and Technology

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