Tactus: Toolkit-Level Support for Synchronized Interactive Multimedia

Tactus addresses problems of synchronizing and controlling various interactive continuous-time media. The Tactus system consists of two main parts. The first is a server that synchronizesthe presentation of multiple media, including audio, video, graphics, and MIDI at a workstation. The second is a set of extensions to a graphical user interface toolkit to help compute and/or control temporal streams of information and deliver them to the Tactus Server. Temporal toolkit objects schedule computation events that generate media. Computation is scheduled in advance of real time to overcome system latency, and timestamps are used to allow accurate synchronization by the server in spite of computation and transmission delays. Tactus supports precomputing branches of media streams to minimize latency in interactive applications. Key words: Interface - Toolkit - Multimedia- Synchronization - Interactive - Real-time

• Type: Conference
• Year: 1992
• Where: NOSSDAV
• Authors: Roger B. Dannenberg, Thomas P. Neuendorffer, Joseph M. Newcomer, Dean Rubine
• Keywords: Computer Networks, Graphical User Interface Toolkit, Interactive Continuous-time Media, NOSSDAV 1992, Tactus Addresses Problems