Improvements in Acoustic Feedback Margin in Sound Reinforcement Systems

Mapp P, Ellis C. Improvements in Acoustic Feedback Margin in Sound Reinforcement Systems. In: AES Convention 106. Audio Engineering Society; 1999. Paper 4978. Available from: https://aes.org/publications/elibrary-page/?id=8202

@inproceedings{Mapp1999_8202,
  author = {Mapp, Peter and Ellis, Christien},
  title = {{Improvements in Acoustic Feedback Margin in Sound Reinforcement Systems}},
  booktitle = {AES Convention 106},
  note = {Paper 4978},
  year = {1999},
  month = may,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=8202}
}

TY  - CPAPER
TI  - Improvements in Acoustic Feedback Margin in Sound Reinforcement Systems
AU  - Mapp, Peter
AU  - Ellis, Christien
T2  - AES Convention 106
M1  - Paper 4978
PY  - 1999
DA  - 1999/05/06
UR  - https://aes.org/publications/elibrary-page/?id=8202
PB  - Audio Engineering Society
LA  - en
AB  - Acoustic feedback stability is a fundamental limitation of all public address, sound reinforcement and duplex teleconferencing systems. Over the past 30 years, a number of techniques have been developed to help improve the gain before feedback margin. This paper reviews progress to date and demonstrates that a new class of loudspeaker, the distributed mode loudspeaker inherently possesses a number of characteristics which potentially make it less prone to feedback. Initial experiments are reported which show a 4dB improvement in feedback margin without electronic assistance, gains comparable with most other current signal processing techniques.
ER  -