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From: Holger Rusch <holger@rusch.name>
To: Devin Heitmueller <devin.heitmueller@gmail.com>
Cc: linux-dvb@linuxtv.org
Subject: Re: [linux-dvb] TerraTec Cinergy DT USB XS Diversity (Quality with linux worse then with Windows)
Date: Sun, 21 Dec 2008 19:31:51 +0100	[thread overview]
Message-ID: <494E8B97.7030608@rusch.name> (raw)
In-Reply-To: <412bdbff0812210831w2c8930eal5181c766857b0aa8@mail.gmail.com>

Devin Heitmueller schrieb:
> On Sun, Dec 21, 2008 at 10:33 AM, Holger Rusch <holger@rusch.name> wrote:
>> Shameless repost. No idea? Anybody?
> 
> Are you using the latest code from http://linuxtv.org/hg/v4l-dvb,

Yes, i use the hg tree.

> including the newer 1.20 firmware?

storage:/lib/firmware# ls -la dvb-usb-dib0700-1.20.fw
-r--r--r-- 1 root root 33768 20. Nov 14:08 dvb-usb-dib0700-1.20.fw

(the only .fw file in the directory

storage:/lib/firmware# md5sum dvb-usb-dib0700-1.20.fw
f42f86e2971fd994003186a055813237  dvb-usb-dib0700-1.20.fw

Where do i get the newest one, if this one isnt the newest?

> Have you tried turning off the LNA and see if there is any difference
> in SNR?  While an amplifier can be a good thing in some cases, if
> you're to close to the transmitter the LNA may be driving the signal
> too hard for the demodulator.

I changed:
options dvb_usb_dib0700 force_lna_activation=1
to
options dvb_usb_dib0700 force_lna_activation=0

and retried (rebootet).

It did not help.

> Is the SNR level always being reported as poor, or only when the
> signal is dropping out?

SNR is constantly poor <45%.

And now?

-- 
+ Contact? => http://site.rusch.name/ +


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  reply	other threads:[~2008-12-21 18:37 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-12-09 23:11 [linux-dvb] Question about Dvico HDTV7 Dual Express tv tuner card Tu-Tu Yu
2008-12-10  9:23 ` [linux-dvb] Quality with linux worse then with Windows Holger Rusch
2008-12-21 15:33   ` [linux-dvb] TerraTec Cinergy DT USB XS Diversity (Quality with linux worse then with Windows) Holger Rusch
2008-12-21 16:31     ` Devin Heitmueller
2008-12-21 18:31       ` Holger Rusch [this message]
2008-12-21 19:52         ` Devin Heitmueller
2008-12-22  7:39           ` Holger Rusch

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