Xref: utzoo rec.audio:8754 sci.electronics:4164
Path: utzoo!yunexus!geac!syntron!jtsv16!uunet!ncrlnk!ncrcae!ncr-sd!hp-sdd!ucsdhub!ucsd!ucsbcsl!comdesign!ivucsb!todd
From: todd@ivucsb.UUCP (Todd Day)
Newsgroups: rec.audio,sci.electronics
Subject: Re: Extracting Mono from Stereo
Keywords: mono stereo signal processing
Message-ID: <354@ivucsb.UUCP>
Date: 26 Oct 88 14:04:38 GMT
Article-I.D.: ivucsb.354
References: <341@ivucsb.UUCP> <343@ivucsb.UUCP> <3836@ncrcae.Columbia.NCR.COM>
Reply-To: todd@ivucsb.UUCP (Todd Day)
Organization: The Audio Club at UCSB, Isla Vista, California
Lines: 28

In article <3836@ncrcae.Columbia.NCR.COM> wte@ncrcae.Columbia.NCR.COM (Bill Eason) writes:
_In article <343@ivucsb.UUCP> todd@ivucsb.UUCP (Todd Day <todd>) writes:
_>In article <341@ivucsb.UUCP> I (Todd Day) write:
_>_I have a very interesting signal processing problem for those signal
_>_processing gurus.
_
_>_I've looked into the math behind this.  It is not a simple as it first
_>_appears!  Now, it's very, very easy to get rid of mono from stereo...
_>_just subtract left from right, and the mono disappears.  However, you
_>_can't just subtract this (R-L) from (R+L) to get only mono.  What
_>_you always end up with is some combination of the mono plus one of
_>_the other channels (2M - 2R, etc.)
_
_<...stuff deleted...>
_
_Could you not take this (2M - 2R) and subtract 2R?
[stuff zapped]
The only problem is that I don't have 2R, I have R+0.5M.

I see all the confusion I've caused by calling the "center channel" mono,
so I'm going to repost one last request with a little less vagueness
than my original two postings...

 
   /| Todd Day (805)968-9352 |\              "I go to school, but
+-+ | The Audio Club at UCSB | +-+    I never learn what I want to know."
+-+ | 926 B   Camino Del Sur | +-+     ..!pyramid!comdesign!ivucsb!todd
   \| Isla Vista, CA   93117 |/                todd@ivucsb.UUCP