Loudspeaker Directivity Improvement Using Low Pass and All Pass Filters

Hughes C. Loudspeaker Directivity Improvement Using Low Pass and All Pass Filters. In: AES Convention 125. Audio Engineering Society; 2008. Paper 7536. Available from: https://aes.org/publications/elibrary-page/?id=14688

@inproceedings{Hughes2008_14688,
  author = {Hughes, Charles},
  title = {{Loudspeaker Directivity Improvement Using Low Pass and All Pass Filters}},
  booktitle = {AES Convention 125},
  note = {Paper 7536},
  year = {2008},
  month = oct,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=14688}
}

TY  - CPAPER
TI  - Loudspeaker Directivity Improvement Using Low Pass and All Pass Filters
AU  - Hughes, Charles
T2  - AES Convention 125
M1  - Paper 7536
PY  - 2008
DA  - 2008/10/06
UR  - https://aes.org/publications/elibrary-page/?id=14688
PB  - Audio Engineering Society
LA  - en
AB  - The response of loudspeaker systems employing multiple drivers within the same pass band is often less than ideal. This is due to the physical separation of the drivers and their lack of proper acoustical coupling within the higher frequency region of their use. The resultant comb filtering is sometimes addressed by applying a low pass filter to one or more of the drivers within the pass band. This can cause asymmetries in the directivity response of the loudspeaker system. A method is presented to greatly minimize these asymmetries through the use of low pass and all pass filters. This method is also applicable as a means to extend the directivity control of a loudspeaker system to lower frequencies.
ER  -