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Re: [Discuss-gnuradio] Sample audio from my FM stereo receiver


From: Eric Brombaugh
Subject: Re: [Discuss-gnuradio] Sample audio from my FM stereo receiver
Date: Sat, 28 Apr 2012 17:24:42 -0700
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc13 Thunderbird/3.1.10

Thanks for posting this - it appears to work just fine with an Ultra-cheap RTL2832U-based USB dongle. Sounds pretty good too.

Eric

On 03/12/2012 11:53 AM, address@hidden wrote:
Rafael:

I added methods for resetting the state machines on the demodulator and
the decoder, but apart from that, no.

My code relies on those updates so I pushed the updates up to CGRAN for
radio_data_system

-Marcus

On Mon, 12 Mar 2012 06:09:11 -0700, Rafael Diniz wrote:

Marcus,
Have you done any improvements to the good old RDS code in cgran?


Best regards,
Rafael Diniz

On 03/11/2012 08:40 PM, Andrew Davis wrote:
Wow, sounds good, I've got a bunch of 50KW stations about 2 miles
away and I cannot get any to sound good at all. What receiver code
are you using?
The code that I put on on CGRAN yesterday: **
https://www.cgran.org/svn/projects/simple_fm_rcv And the supporting
RDS code: ** https://www.cgran.org/svn/projects/radio_data_system I'm
using a TVRX2 on a B100, and this was with 8-bit baseband samples at
320Ksps input rate to the FM demod. Your problem might actually be
that you have a *bunch* of 50KW stations close by. Although with 70+
dB of dynamic range even at 12-bit ADC sampling, with the gain set
right, you shouldn't have too many problems.



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