Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!van-bc!ubc-cs!uw-beaver!mit-eddie!media-lab.media.mit.edu!cas
From: cas@media-lab.media.mit.edu.MEDIA.MIT.EDU (Scud)
Newsgroups: comp.dsp
Subject: Re: 48k to 44.1k sample rate conversion
Message-ID: <5878@media-lab.media.mit.edu.MEDIA.MIT.EDU>
Date: 17 May 91 02:59:00 GMT
References: <5826@media-lab.media.mit.edu.MEDIA.MIT.EDU> <1991May13.173129.18295@bernina.ethz.ch> <1991May15.105543.12165@bernina.ethz.ch> <1991May16.052920.21060@netcom.COM>
Reply-To: cas@media-lab.media.mit.edu (Scud)
Organization: MIT Media Lab, Cambridge MA
Lines: 13

In article <1991May16.052920.21060@netcom.COM> mfvargo@netcom.COM (Michael Vargo) writes:
>Now my question:
>
>Does the act of interpolation actually do some sort of low pass filtering?
>I think not but maybe it could be looked at as some sort of averaging?

No. It's a cascade of Hilbert transforms. With the right sequence of phase
shifts it has been determined by this newsgroup that just about any DSP
operation is possible.

Cas