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MYRiAD: a multi-array room acoustic database.

Thomas Dietzen1, Randall Ali1, Maja Taseska2

  • 1Department of Electrical Engineering (ESAT), STADIUS Center for Dynamical Systems, Signal Processing and Data Analytics, KU Leuven, Leuven, Belgium.

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Summary
This summary is machine-generated.

The Multi-arraY Room Acoustic Database (MYRiAD) offers diverse microphone setups and acoustic environments for evaluating audio signal processing algorithms. This comprehensive dataset aids research in areas like assistive hearing and teleconferencing.

Keywords:
Acoustic signal processingCocktail party noiseLoudspeaker arrayMicrophone arrayRoom acoustic databaseRoom impulse response

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Area of Science:

  • Acoustic Signal Processing
  • Database Development
  • Audio Signal Analysis

Background:

  • Evaluating acoustic signal processing algorithms requires diverse and realistic acoustic environments.
  • Existing acoustic databases have advanced research, but there is a need for more comprehensive resources.
  • Realistic and reproducible evaluation scenarios are crucial for algorithm development.

Purpose of the Study:

  • To introduce the Multi-arraY Room Acoustic Database (MYRiAD), a novel resource for acoustic research.
  • To provide a diverse collection of acoustic recordings for a wide range of audio applications.
  • To facilitate the development and evaluation of advanced acoustic signal processing algorithms.

Main Methods:

  • Recorded 1214 room impulse responses (RIRs), speech, music, and noise in two distinct acoustic spaces (SAL and AIL).
  • Utilized diverse microphone configurations: dummy head (DH), behind-the-ear (BTE) pieces, external microphones (XMs), and concentric circular microphone arrays (CMAs).
  • Included recordings of live cocktail parties and provided MATLAB/Python scripts for data access.

Main Results:

  • The MYRiAD database features varied microphone setups (DH, BTE, XM, CMA) and acoustic conditions (reverberation times of 2.1s and 0.5s).
  • The database contains a rich variety of signals, including RIRs, speech, music, noise, and cocktail party recordings.
  • Publicly available data with accompanying scripts enhances accessibility for researchers.

Conclusions:

  • MYRiAD serves as a valuable, complementary resource for the acoustic research community.
  • Its unique diversity in microphone configurations and acoustic environments supports various audio applications.
  • The database promotes reproducible research and the advancement of acoustic signal processing technologies.