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Convention Paper

Real Time Object Based Coding

Authors: Brossier, Paul M.; Sandler, Mark B.; Plumbley, Mark D.

AES Convention 114 · Paper 5809 · March 2003

Abstract

This paper describes the design of a real-time MP4 Structured Audio codec for monophonic signals. The coding of the live input consists of a pitch detection system which returns the MIDI-like data, and an additive synthesis scheme which creates and modifies the current instrument. Both parts are designed to be fast and scalable : the analysis parameters let the user choose the computational cost for both the analysis and the resynthesis. The extracted objects can then be used in live environments for encoding and/or creation.

Details

Published in
AES Convention 114
AES Convention
114
Paper number
5809
Publication date
March 6, 2003
Session subject
Analysis and Synthesis of Sound
Affiliation
University of London, London, UK (See document for exact affiliation information.)
Type
Convention Paper