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Ambisonic Microphone

by etienne deleflie — last modified 2005-12-02 12:47

Are you not feeling well? Are you sure you want to embark on the journey that is making an ambisonic microphone? Here are some examples:

 

Microphone and circuitry by Henry
The Sound Thief by Etienne Deleflie
DIY microphone by Nick Mariette

The Theory

There is one paper by Michael Gerzon ... which if I could find on the internet, I could link to it.

MORE COMING SOON.

The Theory

Posted by mleese at 2006-04-21 16:36

Home builders might want to read about the design of the original soundfield mic. As far as I know, only the USA patent is available on-line.

  1. A. Gerzon, "The Design of Precisely Coincident Microphone Arrays for Stereo and Surround Sound", preprint of the 50th Audio Engineering Society Convention, London (1975 March) (About the design of the SoundField microphone)
  2. H. Smith, "The Sound Field Microphone," dB, pp. 34-37 (1978 July)
  3. Farrar, "Soundfield Microphone," Wireless World, vol. 85 pp. 48-50 (1979 Oct.) and pp. 99-103 (1979 Nov.) (Best published reference on the design of the Sound field microphone.)

UK Patent 1512514 (with Peter G. Craven) [Sound field microphone] Corresponding international applications: France 7521673 Germany 2531161 Japan 1413913 Netherlands 186058 USA 4042779

The USA patent is available on-line at http://www.uspto.gov/patft/index.html