[Mp4-tech] Re: regarding TNS and Dependent Coupling

[Ralph Sperschneider]

goutham vaidhya wrote:
> hi all,
>    
>   I have another doubt regaring TNS & DEPENDENTLY COUPLING BLOCK
>   
>   The CC_DOMAIN flag will tell if dependent coupling occurs before or 
> after TNS block
>   This is as shown in the figure
>  
>   My question is:
>   
>   when cc_domain==1 then
>   The dependent coupling process explained in the function 
> couple_channel()
>   will access the data in an interleaved manner i,e, [g][win][sfb][bin]
>   Could u pls tell if we can do it( when cc_domain ==1). if yes then how.
>   Or is it mentioned anywhere in the document(13818-7:1997).
>   could u pls throw some light on this.
>  
>   tnx in advance.awaiting earliest reply 
>  

Dear Goutham Vaidhya,
I am not sure I understand your problem. To my understanding, the 
representation of the spectrum should not be affected by the TNS block. 
Thus, the coupling routine should behave similar independent whether it 
is called before or after the TNS routine.
Best regards,
Ralph
-- 
Dipl.-Ing. Ralph Sperschneider  | Phone: +49 9131 776 344
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