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Re: [Discuss-gnuradio] Stereo FM receiver

From: Anastasopoulos Achilleas
Subject: Re: [Discuss-gnuradio] Stereo FM receiver
Date: Mon, 24 Jan 2005 22:01:45 -0500 (EST)

I double-checked this with my com textbooks:
emp/deemp happens to each of the two audio channels,
not to the composite signal.

See also


It would also be cool to get the SCA channel ...



> Perhaps there is an FM guru out there that can clear this up.  I was under the
> impression that the output of the FM demod should be run through the
> deemphasis, and then the stereo and subcarriers can be picked off.  You have 
> it
> the other way around -- you do deemphasis on the left and right separately
> after they have been filtered out from the main signal.  I think this causes
> the L-R to have incorrect deemphasis.
> Matt

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