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AES Munich 2009
Audio Product Design Event W3 Thursday, May 7, 14:00 — 16:00
W3 - Intelligent Digital Audio Effects
Chair:
Christian Uhle, Fraunhofer Institute for Integrated Circuits IIS - Erlangen, Germany
Panelists:
Alexander Lerch, Z-Plane - Berlin, Germany
Josh Reiss, Queen Mary, University of London - London, UK
Udo Zölzer, Helmut-Schmidt-Universität - Hamburg, Germany
Abstract:
Intelligent Digital Audio Effects (I-DAFx) process audio signals in a signal-adaptive way by using some kind of high-level analysis of the input. Beat tracking, for example, enables the automated adaption of time delays or of the LFO rate in tremolos, auto-wahs, and vibrato effects. A harmonizer can adapt the additional intervals to the melody that is played. Automatic mixing is approached by analyzing the signal content in all channels to control the panning. These are examples of techniques that are in the scope of this workshop. It presents an overview of I-DAFx and of methods of semantic audio analysis used in these devices. Practical examples are described and sound examples are demonstrated.
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