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Basics of Sound Reproduction and Perception

Lupe [1]


Motivation & Project Description

  • Spatial sound reproduction helps to exploit the natural cues of the human auditory system for various applications, like e.g.  multiparty communication.
  • The project aims at understanding, comparing and optimizing different sound reproduction approaches on a technical and perceptual level.
  • The technical considerations focus on the mathematical foundation and signal processing issues.
  • The perceptual considerations are focused on higher-level features like spaciousness, coloration, intelligibility, and the resulting plausability and immersion.
  • State-of-the-art wave field analysis techniques provide a tool to characterize and measure the reproduced wave fields.


Project Results

  • Jens Ahrens, Analytic Methods of Sound Field Synthesis [2], Springer-Verlag, Berlin/Heidelberg, 2012, 300 p. (accompanying website [3])
  • The SoundScape Renderer [4], an open-source tool for real-time spatial audio presentation
Time Frame: 
12/2008 - 12/2010

T-labs Team Members:
Jens Ahrens [5], Matthias Geier [6], Alexander Raake [7], Sascha Spors [8]

Students:
Alexander Lindau [9]
Partners:
Berlin University of Technology, Fachgebiet Audiokommunikation [10]
Funding by:

Deutsche Telekom Laboratories
Publications:
see project publications [11]
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