TU Berlin

Audio Communication GroupDavid Ackermann

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David Ackermann

Lupe

David Ackermann
Raum: EN 150/151
Telefon: +49 30 - 314 290 94
E-Mail: david.ackermann [at] tu-berlin.de

Fields of Research:

  • Virtuelle Akustik
  • Auralisation
  • Audiotechnik
  • Beschallungstechnik
  • Messtechnik

Teaching Activities

Laborpraktikum Audiotechnik: Lautsprechertechnik (seit 2016)

Open Data Publications

A Multi-channel Anechoic Orchestra Recording of Beethoven's Symphony No. 8 op. 93

This data set contains an excerpt of the anechoic recording of the Symphony No. 8 in F Major, Op. 93 by Ludwig van Beethoven, performed by the "Orchester Wiener Akademie" conducted by Martin Haselböck. It was recorded in the anechoic chamber of the TU Berlin.

GRAP - A Ground Truth on Room Acoustical Analysis and Perception

A database of 35 virtual room models was created that can serve as a ground truth for the future development of room acoustical parameters beyond ISO 3382-1.

BRAS - Benchmark for Room Acoustical Simulation

The Benchmark for Room Acoustical Simulation (BRAS) contains eleven acoustical scenes that are intended for the evaluation of room acoustical simulation software.

A Database on Musicians’ Movements During Musical Performances

The movements of 20 musicians playing 11 different musical instruments, including all standard orchestral instruments, were captured during solo performances by means of a motion capturing system under concert-like conditions.

Publications

A Ground Truth on Room Acoustical Analysis and Perception (GRAP)
Citation key Ackermann_or_2018
Author Ackermann, David and Ilse, Maximilan and Grigoriev, Dmitry and Lepa, Steffen and Pelzer, Sönke and Vorländer, Michael and Weinzierl, Stefan
Year 2018
DOI 10.14279/depositonce-7003
Location Berlin
Abstract A database of 35 virtual room models was created that can serve as a ground truth for the future development of room acoustical parameters beyond ISO 3382-1. Some of the room models are based on existing performance venues, however without yielding a perfect match of measured and simulated acoustical parameters. Others are artificial designs which were made to systematically cover a wide variety of room acoustical properties. Each of the 35 acoustical environments included in the GRAP database consists of three components: (1) the room model which specifies source and receiver positions and the acoustic properties of the surfaces, (2) the simulated monaural and binaural impulse responses, as well as (3) the item and factor scores, based on a listening test using the Room Acoustic Quality Inventory (RAQI).
Link to original publication Download Bibtex entry

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