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Signed Wasserstein distance for room impulse response comparison
Linda Fabiani, Sebastian J. Schlecht, Filip Elvander
The nature of room impulse response signals is often adverse to a clear evaluation of similarity: they are sparse, rapidly varying, signed signals resulting from the complex intera…
Optimal transport of image sources for interpolation of room impulse responses with moving sources
Jesper Brunnström, Filip Elvander, Isabel Haasler
In geometrical acoustics, room impulse responses (RIRs) can be represented by a set of image sources in free space. For a fixed source position, the image sources allow for computi…
Acoustic Image Source Interpolation with Optimal Transport Barycenter
Yuyang Liu, Rumeshika Pallewela, Jesper Brunnström +2
Room impulse responses can be estimated via the image source model (ISM) using the image source point cloud (ISPC) of a physical source. However, because the source movement change…
Joint Spectrogram Separation and TDOA Estimation using Optimal Transport
Linda Fabiani, Sebastian J. Schlecht, Isabel Haasler +1
Separating sources is a common challenge in applications such as speech enhancement and telecommunications, where distinguishing between overlapping sounds helps reduce interferenc…