Amr-WB+  uses different frame lengths from 20 to 80 ms, depending on the encoding mode.
You can find the full spec on the ETSI web site, there is also two papers presented at ICASSP2005 that give a nice overview of the amr-wb+ codec. 

Here is the link to download the papers.

http://s50.yousendit.com/d.aspx?id=2A2MWITPKK4NJ37AFCZGAKYD9L

http://s50.yousendit.com/d.aspx?id=3KZ8N4DY5W4ED0RJ8IQZKX69Z9

have a nice day.

--- In s...@yahoogroups.co

m, chandresh <chandreshdubey@...> wrote:
>
> Hi all,
>
> I am trying to port ABR WB+ (fixed point baseline) to a particular platform.
> I want to calculate its MIPS consumption on this platform. I know, if
>
> 'X' = Million instructions per frame on this platform
> 'T' = Frame duration in seconds
>
> then, MIPS = X/T
>
> I know the value of X.
>
> But I dont know the frame duration of AMR WB+ codec. Can anybody tell me its
> value?
>
> Tx
> Chandresh
>