Corrected sheet dimensions such that mgb and a1 aren't so small they only cover half the sheet below them. Each sheet is now smaller than the one below it by  a perimeter of half a connection field. Updated so the new Audio function from topo.pattern.audio is employed. Removed cochlea aspect ratio code as its not useful.
Corrected sheet dimensions such that mgb and a1 aren't so small they only cover half the sheet below them. Each sheet is now smaller than the one below it by  a perimeter of half a connection field. Updated so the new Audio function from topo.pattern.audio is employed. Removed cochlea aspect ratio code as its not useful.

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