Article View: comp.dsp
Article #1748Re: 180 deg phase shift
From: Purtell Michael J
Date: Tue, 07 May 1991 09:29
Date: Tue, 07 May 1991 09:29
23 lines
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1341 bytes
In article <7821@nst>, grayt@Software.Mitel.COM (Tom Gray) writes:
> In article <1991May5.233533.18783@ux1.cso.uiuc.edu>
frerichs@adsl.ece.uiuc.edu (dfRERICHS) writes:
> >Does anyone know the algorithm that would take a stream of sampled
sound
> >,shift it 180 deg in phase and spit it back out again?
> >
> >ie sound -> a/d -> dsp to shift phase -> d/a -> sound
> >
>
> Invert the sign bit
Not if it's a 2's complement integer!!
--
-- Michael Purtell -- | "In a hundred years, | There's an Old Irish
Recipe for
mpurtell@iastate.edu | we'll all be dead." | Longevity: Leave the
Table
Iowa State University | -- The January Man | Hungry. Leave the Bed
Sleepy.
"slow is real" | Leave the Tavern
Thirsty.
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<1991May5.233533.18783@ux1.cso.uiuc.edu> <7821@nst>Show Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!uwm.edu!ux1.cso.uiuc.edu!news.iastate.edu!IASTATE.EDU!mpurtell From: mpurtell@IASTATE.EDU (Purtell Michael J) Newsgroups: comp.dsp,sci.electronics Subject: Re: 180 deg phase shift Message-ID: <1991May7.042904@IASTATE.EDU> Date: 7 May 91 09:29:04 GMT References: <1991May5.233533.18783@ux1.cso.uiuc.edu> <7821@nst> Sender: news@news.iastate.edu (USENET News System) Reply-To: mpurtell@IASTATE.EDU (Purtell Michael J) Followup-To: comp.dsp,sci.electronics Organization: Iowa State University Lines: 23