Event

Date:   August 7-9, 2018, 9:30-18:00
Venue: Tokyo Senju Campus, Tokyo Denki University; Senju Campus, Tokyo University of the Arts
For more details, please see the homepage of Audio Engineering Society

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Together with their Colleagues of the International Audio Laboratories Erlangen, Prof. Jürgen Herre of Fraunhofer Institute for Integrated Circuits IIS will deliver a presentation on “Energy Aware Modelling of Inter-Aural Level Difference Distortion Impact on Spatial Audio Perception” in the AES International Conference on Spatial Reproduction — Aesthetics and Science. 

The presentation is a part of the section P4: Psychoacoustics-2 on 7th Aug, from 17:20 in Seminar Room 2 on the Senju Campus of the Tokyo Denki University.

On the 3rd day of the conference on 9th Aug, researchers from Fraunhofer Institute for Digital Media Technology IDMT will deliver a presentation on “An Approach for Object-Based Spatial Audio Mastering” as a part of Section P10: Production-1 in Seminar Room 1 on the Senju Campus of the Tokyo Denki University.

 

P4: Psychoacoustics-2 [Day 1 (Aug 7) 17:20–18:30]

Chair: Atsushi Marui

[P4-1]

Title:

Energy Aware Modelling of Inter-Aural Level Difference Distortion Impact on Spatial Audio Perception

Authors:

Pablo Delgado (Fraunhofer IIS), Jürgen Herre (Fraunhofer IIS), Armin Taghipour (Fraunhofer), and Nadja Schinkel-Bielefeld (Fraunhofer)

Abstract:

In spatial audio processing, Inter-aural Level Difference Distortions (ILDD) between reference and coded signals play an important role in the perception of quality. To reduce costs, algorithms that predict the perceptual quality of multichannel/spatial audio processing without requiring extensive listening tests are developed. The correct modelling of the perceived ILDD greatly influences the prediction performance. We propose a model of ILDD perception including an energy dependency in different spectral regions of the signal. Model parameters are fitted to subjective results obtained from listening test data over a synthetic audio database with arbitrarily induced ILDD at different intensities, frequencies and energy levels. Finally, we compare our model performance over two databases of real coded signals with two state-of-the-art ILDD models.

AES E-Library Permalink:

http://www.aes.org/e-lib/browse.cfm?elib=19634

 

 

P10: Production-1 [Day 3 (Aug 9) 10:30–12:10] 

Chair: Aki Mäkivirta

[P10-2]

Title:

An Approach for Object-Based Spatial Audio Mastering

Authors:

Simon Hestermann (Fraunhofer IDMT), Mario Seideneck (Fraunhofer IDMT), and Christoph Sladeczek (Fraunhofer IDMT)

Abstract:

Object-based spatial audio is an approach for interactive three-dimensional audio reproduction. This concept not only changes the way how content creators interact with the audio, but also changes how it is saved and transmitted. Hence, a new process in the reproduction chain called rendering has to be established. The rendering process generates loudspeaker signals out of an object-based scene. Although recording and mixing have been subject to research in the last years, concepts for object-based mastering are nearly missing. The main difference compared to channel-based mastering is that instead of adjusting loudspeaker channels, audio objects need to be altered. This requires a fundamentally new concept for mastering. In the paper, a new method for mastering of object-based audio is presented.

AES E-Library Permalink:

http://www.aes.org/e-lib/browse.cfm?elib=19631