Re: [Discuss-gnuradio] Stereo FM receiver

[Anastasopoulos Achilleas]

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