In-Room Low-Frequency Sound Power Optimization using Near Field Response

Celestinos A, Banka R, Brunet PM. In-Room Low-Frequency Sound Power Optimization using Near Field Response. In: AES Convention 149. Audio Engineering Society; 2020. Paper 10429. Available from: https://aes.org/publications/elibrary-page/?id=20966

@inproceedings{Celestinos2020_20966,
  author = {Celestinos, Adrian and Banka, Ritesh and Brunet, Pascal M.},
  title = {{In-Room Low-Frequency Sound Power Optimization using Near Field Response}},
  booktitle = {AES Convention 149},
  note = {Paper 10429},
  year = {2020},
  month = oct,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=20966}
}

TY  - CPAPER
TI  - In-Room Low-Frequency Sound Power Optimization using Near Field Response
AU  - Celestinos, Adrian
AU  - Banka, Ritesh
AU  - Brunet, Pascal M.
T2  - AES Convention 149
M1  - Paper 10429
PY  - 2020
DA  - 2020/10/06
UR  - https://aes.org/publications/elibrary-page/?id=20966
PB  - Audio Engineering Society
LA  - en
AB  - The total sound power (TSP) produced by a loudspeaker can be severely affected when placed in typical living rooms. General approaches consider an equalization filter designed toward a desired target. The computation of the TSP requires measurements on a number of microphones spaced in the room. In this work, an automatic method to estimate the TSP without the use of numerous measurements is proposed. The proposed method includes a static microphone configured to measure the near-field sound pressure of the driver, and a controller to determine its velocity to automatically adjust the sound power levels to an acoustic environment. Results in typical living rooms show an average standard deviation error of 2.6 dB on the estimation of the TSP.
ER  -