Enhanced Control of Sound Field Radiated by Co-axial Loudspeaker Systems using Digital Signal Processing Techniques

Boucher JM, Debail BGA, Diquelou PY, Kerneis Y, Shaiek H. Enhanced Control of Sound Field Radiated by Co-axial Loudspeaker Systems using Digital Signal Processing Techniques. In: AES Convention 120. Audio Engineering Society; 2006. Paper 6723. Available from: https://aes.org/publications/elibrary-page/?id=13527

@inproceedings{Boucher2006_13527,
  author = {Boucher, Jean Marc and Debail, Bernard G.A. and Diquelou, Pierre Yves and Kerneis, Yvon and Shaiek, Hmaied},
  title = {{Enhanced Control of Sound Field Radiated by Co-axial Loudspeaker Systems using Digital Signal Processing Techniques}},
  booktitle = {AES Convention 120},
  note = {Paper 6723},
  year = {2006},
  month = may,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=13527}
}

TY  - CPAPER
TI  - Enhanced Control of Sound Field Radiated by Co-axial Loudspeaker Systems using Digital Signal Processing Techniques
AU  - Boucher, Jean Marc
AU  - Debail, Bernard G.A.
AU  - Diquelou, Pierre Yves
AU  - Kerneis, Yvon
AU  - Shaiek, Hmaied
T2  - AES Convention 120
M1  - Paper 6723
PY  - 2006
DA  - 2006/05/06
UR  - https://aes.org/publications/elibrary-page/?id=13527
PB  - Audio Engineering Society
LA  - en
AB  - In multi-way loudspeakers, DSP techniques have been used so far mainly to correct frequency response, time alignment and out of axis lobbing. In this paper, a dedicated signal processing technique is described in order to also control the sound field radiation of a new 4 way co-axial source in the overlap frequency band of drivers. Trades-off and practical constraints (crossover, time shift, gain ...) are discussed and an optimization algorithm is proposed to provide the best achievable result. A real time implementation of this technique dedicated to the new 4-way co-axial source is presented and lead to a nearly ideal point source.
ER  -