The Significance of Interchannel Correlation, Phase and Amplitude Differences on Multichannel Microphone Techniques

Martin G. The Significance of Interchannel Correlation, Phase and Amplitude Differences on Multichannel Microphone Techniques. In: AES Convention 113. Audio Engineering Society; 2002.pp. 5671:1-. Available from: https://aes.org/publications/elibrary-page/?id=11287

@inproceedings{Martin2002_11287,
  author = {Martin, Geoffrey},
  title = {{The Significance of Interchannel Correlation, Phase and Amplitude Differences on Multichannel Microphone Techniques}},
  booktitle = {AES Convention 113},
  pages = {5671:1-},
  year = {2002},
  month = oct,
  publisher = {Audio Engineering Society},
  url = {}
}

TY  - CPAPER
TI  - The Significance of Interchannel Correlation, Phase and Amplitude Differences on Multichannel Microphone Techniques
AU  - Martin, Geoffrey
T2  - AES Convention 113
SP  - 1
M1  - Paper 5671
PY  - 2002
DA  - 2002/10/06
UR  - https://aes.org/publications/elibrary-page/?id=11287
PB  - Audio Engineering Society
LA  - en
AB  - There is a measurable interference between correlated signals produced by multiple loudspeakers in a standard five-channel loudspeaker configuration, resulting in an audible comb filter effect. This is due to small individual differences in distances between the ears of the listener and the various loudspeakers. Although this effect is caused by the dimensions and characteristics of the monitoring environment, it can be minimized in the recording process, particularly through the relative placement of microphones and choice of their directional characteristics. In order to analyse this effect, the correlation of microphone signals and their amplitude differences in a recording environment are evaluated using theoretical models. This procedure is applied to coincident and spaced pairs of transducers for direct and reverberant sounds.
ER  -