ICMC 2015 – Sept. 25 - Oct. 1, 2015 – CEMI, University of North Texas ToscA: An OSC Communication Plugin for Object-Oriented Spatialization Authoring Thibaut Carpentier UMR 9912 STMS IRCAM-CNRS-UPMC 1, place Igor Stravinsky, 75004 Paris
[email protected] ABSTRACT or consensus on the representation of spatialization metadata (in spite of several initiatives [11, 12]) complicates the inter- The paper presents ToscA, a plugin that uses the OSC proto- exchange between applications. col to transmit automation parameters between a digital audio This paper introduces ToscA, a plugin that allows to commu- workstation and a remote application. A typical use case is the nicate automation parameters between a digital audio work- production of an object-oriented spatialized mix independently station and a remote application. The main use case is the of the limitations of the host applications. production of massively multichannel object-oriented spatial- ized mixes. 1. INTRODUCTION There is today a growing interest in sound spatialization. The 2. WORKFLOW movie industry seems to be shifting towards “3D” sound sys- We propose a workflow where the spatialization rendering tems; mobile devices have radically changed our listening engine lies outside of the workstation (Figure 1). This archi- habits and multimedia broadcast companies are evolving ac- tecture requires (bi-directional) communication between the cordingly, showing substantial interest in binaural techniques DAW and the remote renderer, and both the audio streams and and interactive content; massively multichannel equipments the automation data shall be conveyed. After being processed and transmission protocols are available and they facilitate the by the remote renderer, the spatialized signals could either installation of ambitious speaker setups in concert halls [1] or feed the reproduction setup (loudspeakers or headphones), be exhibition venues.