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T. Minagawa, K. Kawahara, and R. Nakaie, "Spatial Timbre Uniformity Analysis of Loudspeakers in Rooms Using MFCC," Paper 10415, (2020 October.). doi: T. Minagawa, K. Kawahara, and R. Nakaie, "Spatial Timbre Uniformity Analysis of Loudspeakers in Rooms Using MFCC," Paper 10415, (2020 October.). doi:
Abstract: Spatial timbre uniformity needs to be considered during public address system design using loudspeakers. In this paper, an analysis based on Mel-frequency cepstrum coefficient (MFCC) was conducted on room impulse responses produced by different loudspeakers including conventional cone loudspeakers and a Distributed Mode Loudspeaker (DML). Histograms of Euclidean distances between MFCC vectors of each impulse response was plotted for each loudspeaker. The tail of the histogram which represents the frequency of larger distances was lighter in the histogram of the DML. The results imply that the DML can avoid extreme spatial timbre dissimilarity. The proposed method introduces concept of timbre uniformity, which could be helpful for designing acoustic spaces.

@article{minagawa2020spatial,
author={minagawa, takashi and kawahara, kazuhiko and nakaie, ryo},
journal={journal of the audio engineering society},
title={spatial timbre uniformity analysis of loudspeakers in rooms using mfcc},
year={2020},
volume={},
number={},
pages={},
doi={},
month={october},} @article{minagawa2020spatial,
author={minagawa, takashi and kawahara, kazuhiko and nakaie, ryo},
journal={journal of the audio engineering society},
title={spatial timbre uniformity analysis of loudspeakers in rooms using mfcc},
year={2020},
volume={},
number={},
pages={},
doi={},
month={october},
abstract={spatial timbre uniformity needs to be considered during public address system design using loudspeakers. in this paper, an analysis based on mel-frequency cepstrum coefficient (mfcc) was conducted on room impulse responses produced by different loudspeakers including conventional cone loudspeakers and a distributed mode loudspeaker (dml). histograms of euclidean distances between mfcc vectors of each impulse response was plotted for each loudspeaker. the tail of the histogram which represents the frequency of larger distances was lighter in the histogram of the dml. the results imply that the dml can avoid extreme spatial timbre dissimilarity. the proposed method introduces concept of timbre uniformity, which could be helpful for designing acoustic spaces.},}

TY - paper
TI - Spatial Timbre Uniformity Analysis of Loudspeakers in Rooms Using MFCC
SP - EP -
AU - Minagawa, Takashi
AU - Kawahara, Kazuhiko
AU - Nakaie, Ryo
PY - 2020
JO - Journal of the Audio Engineering Society
IS -
VO -
VL -
Y1 - October 2020 TY - paper
TI - Spatial Timbre Uniformity Analysis of Loudspeakers in Rooms Using MFCC
SP - EP -
AU - Minagawa, Takashi
AU - Kawahara, Kazuhiko
AU - Nakaie, Ryo
PY - 2020
JO - Journal of the Audio Engineering Society
IS -
VO -
VL -
Y1 - October 2020
AB - Spatial timbre uniformity needs to be considered during public address system design using loudspeakers. In this paper, an analysis based on Mel-frequency cepstrum coefficient (MFCC) was conducted on room impulse responses produced by different loudspeakers including conventional cone loudspeakers and a Distributed Mode Loudspeaker (DML). Histograms of Euclidean distances between MFCC vectors of each impulse response was plotted for each loudspeaker. The tail of the histogram which represents the frequency of larger distances was lighter in the histogram of the DML. The results imply that the DML can avoid extreme spatial timbre dissimilarity. The proposed method introduces concept of timbre uniformity, which could be helpful for designing acoustic spaces.