I don't know if it is relevant, but I found this patent application http://www.faqs.org/patents/app/20110135098
Patent application title: METHODS AND DEVICES FOR REPRODUCING SURROUND AUDIO SIGNALS Inventors: Markus Kuhr (Wedemark, DE) Jurgen Peissig (Wedemark, DE) Axel Grell (Wedemark, DE) Gregor Zielinsky (Wedemark, DE) Juha Merimaa (Menlo Park, CA, US) Veronique Larcher (Palo Alto, CA, US) David Romblom (San Francisco, CA, US) Bryan Cook (Silver Spring, MD, US) Heiko Zeuner (Bernau Bei Berlin, DE) Assignees: Sennheiser electronic GmbH & Co. KG Sennheiser Electronic Corporation IPC8 Class: AH04R500FI USPC Class: 381 17 Class name: Electrical audio signal processing systems and devices binaural and stereophonic pseudo stereophonic Publication date: 2011-06-09 Patent application number: 20110135098 -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://mail.music.vt.edu/mailman/private/sursound/attachments/20130914/2d9b0f4f/attachment.html> _______________________________________________ Sursound mailing list Sursound@music.vt.edu https://mail.music.vt.edu/mailman/listinfo/sursound
