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Conference Papers Year : 2014

Spatial properties of the DEMAND noise recordings

Joachim Thiemann
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Steven van de Par
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"DEMAND" (Diverse Environments Multichannel Acoustic Noise Database) is a set of recordings of environmental noises in both indoor and outdoor settings. The recordings were performed with a 16-channel planar array of microphones. The purpose of the recording is to provide researchers with a large set of freely available noise recordings (licensed under a Creative Commons licence) for use in developing algorithms such as beamforming, noise reduction, and source separation, although anyone may use the data for any purpose they see fit. A more detailed description of the DEMAND recordings can be found in [1]. In this article, we examine some of the spatial properties of the DEMAND recordings, in particular the cross-channel correlations. Notably, the quality of the reverberation characteristics is compared to the theoretical ideal. This property is used as a post-recording calibration of the microphone positions, compared to the design speci cations of the array.
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hal-00985979 , version 1 (30-04-2014)


  • HAL Id : hal-00985979 , version 1


Joachim Thiemann, Emmanuel Vincent, Steven van de Par. Spatial properties of the DEMAND noise recordings. 40th Annual German Congress on Acoustics (DAGA 2014), Mar 2014, Oldenburg, Germany. ⟨hal-00985979⟩
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