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post Oct 11 2001, 14:31
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Hi all,

Does anyone have information about the PNS tool for the AAC encoder? Also I would like to know where I can find source code for this tool.

b.t.w anyone thinks this a "necessary" tool for the encoder?

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Ivan Dimkovic
post Oct 11 2001, 15:03
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Nero MPEG4 developer

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MPEG-4 reference software contains example PNS tool implementation. However, this software is very low quality and the PNS implementation is not perceptually controlled.

PNS is not required and I think the performance gain is not too big. However, for certain signal types and very low bitrates PNS could improve coding quality.
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