Crossover Systems in Digital Loudspeakers

Busbridge SC, Huang Y, Fryer PA. Crossover Systems in Digital Loudspeakers. J Audio Eng Soc. 2002;50(10):791-798. Available from: https://aes.org/publications/elibrary-page/?id=11060

@article{Busbridge2002_11060,
  author = {Busbridge, Simon C. and Huang, Yaxiong and Fryer, Peter A.},
  title = {{Crossover Systems in Digital Loudspeakers}},
  journal = {Journal of the Audio Engineering Society},
  volume = {50},
  number = {10},
  pages = {791--798},
  year = {2002},
  month = oct,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=11060}
}

TY  - JOUR
TI  - Crossover Systems in Digital Loudspeakers
AU  - Busbridge, Simon C.
AU  - Huang, Yaxiong
AU  - Fryer, Peter A.
T2  - Journal of the Audio Engineering Society
J2  - J. Audio Eng. Soc.
VL  - 50
IS  - 10
SP  - 791
EP  - 798
PY  - 2002
DA  - 2002/10/06
UR  - https://aes.org/publications/elibrary-page/?id=11060
PB  - Audio Engineering Society
LA  - en
AB  - A digital loudspeaker is one that does not contain any form of embedded digital-to-analog converter. From a consideration of the mathematical operations describing the digital-to-analog conversion process in a digital loudspeaker, it is concluded that the use of N identical analog filters (where N is the number of bits) filtering each bit driver separately offers a practical alternative to digital signal processing. The implementation of a multiple-driver multiple-voice-coil digital loudspeaker is described. The effect of component tolerances in the crossover and compatibility with the requirements of the current drive are evaluated. The interactions between motion emf, driving current, and mutual coupling emfs are considered. It is concluded that this method of crossover implementation is both viable and achievable.
ER  -