>>652
邦訳は自分で探すなり以下を訳すなりしてくれ。

以下USAGEより
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block type control
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-d

Allows the left and right channels to use different block types.
Normally this is not allowed, only because the FhG encoder does
not seem to allow it either. If anyone finds a sample where -d
produces better results, let me know. ([email protected])

下記リンクはとみなが氏による解説。
http://www.hydrogenaudio.org/index.php?s=&act=ST&f=2&t=2698#entry42723