> > I looked up in my notes and found that when I was first looking into
> > this, I measured the layer II (ISO code, encode, decode) delay: it was
> > about 480 (plus or minus a few samples).  Layer II uses *only* the
> > polyphase filterbank (same one used in layer III) so this further
> > sugested the filterbank delay is 480 (+/- 1).  

511 - 32 = 479, so I would go for the -1.

> > 
> > So I think a value of 481 agrees with both observations and

Can you try to find out if 479 agrees? It sounds more reasonable :-)

> > my analysis.  But if you have evidence that it really 511, it 
> > would be important to resolve this.
> > 
> > 
> > Mark

Dag dag,

Segher

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