From: wk <handygewinnspiel@gmx.de>
To: Devin Heitmueller <devin.heitmueller@gmail.com>
Cc: Linux Media Mailing List <linux-media@vger.kernel.org>
Subject: Re: SNR status for demods
Date: Wed, 18 Mar 2009 20:05:06 +0100 [thread overview]
Message-ID: <49C145E2.9050205@gmx.de> (raw)
In-Reply-To: <412bdbff0903171945m680218d9xa39982efb1a17728@mail.gmail.com>
> I have updated my compiled list of the various demods and how they
> currently report SNR info (including feedback from people in the last
> round).
>
> http://www.devinheitmueller.com/snr.txt
>
>
What about signal strength and BER readout in parallel for each device
listed here?
Needs the same docs and would not add too much work..
----
tda10021: MSE[7..0] (= reg 0x18 )
"Mean Square Error of the demodulated output signal. MSE can be used as a
representation of the signal quality."
u8 quality = ~tda10021_readreg(state, 0x18);
*snr = (quality << 8) | quality;
ves1820: the same.
tda10023: seems to be the same. (no info, but chip is very close to
tda10021)
next prev parent reply other threads:[~2009-03-18 19:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-18 2:45 SNR status for demods Devin Heitmueller
2009-03-18 2:52 ` Ang Way Chuang
2009-03-18 19:05 ` wk [this message]
2009-03-18 19:30 ` Devin Heitmueller
2012-05-22 9:09 ` Antti Palosaari
2012-05-22 13:42 ` Gianluca Gennari
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