From: Steven Toth <stoth@linuxtv.org>
To: Devin Heitmueller <devin.heitmueller@gmail.com>
Cc: Linux-dvb <linux-dvb@linuxtv.org>
Subject: Re: [linux-dvb] Revisiting the SNR/Strength issue
Date: Wed, 15 Oct 2008 10:30:24 -0400 [thread overview]
Message-ID: <48F5FE80.5010106@linuxtv.org> (raw)
In-Reply-To: <412bdbff0810150724h2ab46767ib7cfa52e3fdbc5fa@mail.gmail.com>
Devin Heitmueller wrote:
> I know that this has been brought up before, but would it be possible
> to revisit the issue with SNR and strength units of measure being
> inconsistent across frontends?
>
> I know that we don't always know what the units of measure are for
> some frontends, but perhaps we could at least find a way to tell
> applications what the units are for those frontends where it is known?
The SNR units should be standardized into a single metric, something
actually useful like ESNO or db. If that isn't available then we should
aim to eyeball / manually calibrate impossible boards against known
reliable demods on the same feed, it should be close enough.
This requires patience and time from the right people with the right
hardware.
- Steve
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next prev parent reply other threads:[~2008-10-15 14:31 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-15 14:24 [linux-dvb] Revisiting the SNR/Strength issue Devin Heitmueller
2008-10-15 14:30 ` Steven Toth [this message]
2008-10-15 14:40 ` Devin Heitmueller
2008-10-15 18:18 ` Steven Toth
2008-10-16 14:28 ` Devin Heitmueller
2008-10-17 9:40 ` Christophe Thommeret
2008-10-17 9:55 ` Andreas Oberritter
2008-10-17 13:31 ` Steven Toth
2008-10-17 14:12 ` Andreas Oberritter
2008-10-17 18:23 ` Steven Toth
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