Xref: utzoo comp.dsp:1619 sci.electronics:19942 Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!dali.cs.montana.edu!ogicse!qiclab!onion!jomega!jomega.rain.com!mhorne From: mhorne@jomega.rain.com (Michael T. Horne;649-8957;;;jomega) Newsgroups: comp.dsp,sci.electronics Subject: Re: 180 deg phase shift Message-ID: <1991May7.063102.7030@jomega.rain.com> Date: 7 May 91 06:31:02 GMT References: <1991May5.233533.18783@ux1.cso.uiuc.edu> Sender: news@jomega.rain.com (Mr. News) Reply-To: mhorne@jomega.rain.com Followup-To: comp.dsp Organization: jOmega Systems, Beaverton, OR Lines: 11 In a recent article by frerichs@adsl (dfRERICHS): > 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? > Without giving this much thought :), how about a pair of cascaded Hilbert transform filters? :) Mike