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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
http://murray.newcastle.edu.au/users/staff/eemf/ELEC351/SProjects/clement/FMStereo/FMSter.htm
It would also be cool to get the SCA channel ...
Achilleas
Achilleas
> 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