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Natural Science Forum / Physics / Acoustics / March 2004? about hybrid diffusers
I need to construct some hybrid diffusers. Are there any resources available on the web that would tell me how to calculate the correct sequence 1'and 0's to form the required 2D grid? Chris  SignatureThe voice of ignorance speaks loud and long, but the words of the wise are quiet and few. -- Hi Chris, Try this, there a few others where this one resides as well. Andrew http://www.bbc.co.uk/rd/pubs/reports/1995-01.pdf > I need to construct some hybrid diffusers. Are there any resources > available on the web that would tell me how to calculate the correct > sequence 1'and 0's to form the required 2D grid? > > Chris > http://www.bbc.co.uk/rd/pubs/reports/1995-01.pdf Thanks for that, but I already have that paper, and it does not describe a hybrid diffusor, rather, the Beeb are describing the construction of a 2-dimensional Schroeder diffusor. What I'm after is the methodology for calculating the maximum length sequence and then folding it into a two dimensional array using the Chinese remainder Theorem. This is the basis for constructing a flat panel hybrid diffusor as described by Peter D'Antonio and Trevor Cox in their document found here: http://www.acoustics.salford.ac.uk/research/arc/cox/interdisciplinary/inter_scie nce_reviews.pdf Has anyone done this before? Chris SignatureThe voice of ignorance speaks loud and long, but the words of the wise are quiet and few. -- Sorry Chris, Maybe it is in the book they have just published? Andrew > > http://www.bbc.co.uk/rd/pubs/reports/1995-01.pdf > [quoted text clipped - 7 lines] > panel hybrid diffusor as described by Peter D'Antonio and Trevor Cox in > their document found here: http://www.acoustics.salford.ac.uk/research/arc/cox/interdisciplinary/inter_scie nce_reviews.pdf > Has anyone done this before? > > Chris > Sorry Chris, > Maybe it is in the book they have just published? Yeah, I figured it might be. But then it costs £90! I was hoping to get the information in a more cost effective manner! ;-) Chris W SignatureThe voice of ignorance speaks loud and long, but the words of the wise are quiet and few. -- |
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