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CSOUND  July 2018

CSOUND July 2018

Subject:

Re: HRTF-Neutralization of in-file

From:

John <[log in to unmask]>

Reply-To:

A discussion list for users of Csound <[log in to unmask]>

Date:

Thu, 12 Jul 2018 21:12:47 +0100

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (25 lines)

Returning to your earlier question....

>  the manual to it states that it (rfft) returns non negative values
>  only.

The manual states as you quote
> The output is another array containing the transform, non-redundant,
> non-negative spectrum only.

That is not the same as non-negative values.  The opcode  rfft output
is just an array of re-im values containing the non-negative DFT bins.
These complex numbers values may have negative real or imaginary
parts.

I hope that makes it a little clearer.

==John ffitch

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