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From: Chuck Simmons
Organization: You jest.
X-Mailer: Mozilla 4.61 [en] (X11; U; Linux 2.0.33 i586)
Subject: Re: DSP 2's complement vs straight binary
References: <email@example.com> <firstname.lastname@example.org> <3DAF907C.54D0567F@webaccess.net>
Date: Fri, 18 Oct 2002 05:26:49 GMT
NNTP-Posting-Date: Thu, 17 Oct 2002 22:26:49 PDT
Thomas Magma wrote:
> OK I see the light. Sorry for my ignorance. Let me try to explain my
> stupidity. A long time ago I had written some software that converted lets
> say the value 7 binary to the value 7 two's compliment. 7 being 00000111 in
> binary and 11111001 in 2's compliment. You can see that this is not simply
> inverting the MSB. But I now see that inverting the MSB does offset a
> straight binary sine wave from a DC offset to a true AC signal. Oops.
> I still don't want to do that extra program execution to the megbytes of
> samples I have if I don't have to.
Sorry 'bout that chief. I've been invertin' the MSB so many years in so
many sampled servos that there's no way to count the megabytes I've done
that violence upon both comin' in and goin' out.
... The times have been,
That, when the brains were out,
the man would die. ... Macbeth
Chuck Simmons email@example.com
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