Autor Thema: Signal Quality DVB-T  (Gelesen 11944 mal)

Dima73

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Signal Quality DVB-T
« am: November 26, 2015, 07:09:42 Nachmittag »
box et8500

NIM Socket 4:
        Type: DVB-T
        Name: Sundtek DVB-T (III) (0/0) (USB)
        Frontend_Device: 4
        Has_Ouput: no
        I2C_Device: 11
frequencies  Signal Quality

474000  7% (> 100?)   
490000  84%
514000  86%
570000 0%(> 100?)
586000  99% - 0%(> 100?)
618000  92%

This is the wrong values.

In fact, if the value is less than 70% video does not work (low signal).
That's right, divided into two.

It can be fixed?


Sundtek

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Re:Signal Quality DVB-T
« Antwort #1 am: November 26, 2015, 07:54:11 Nachmittag »
Sure, those values are a little bit relatively, the CNR is more important.

can you join http://chat.sundtek.de so we can get the input values which you receive from the tuner?
Sundtek Support Engineer

Sundtek

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Re:Signal Quality DVB-T
« Antwort #2 am: November 26, 2015, 10:02:20 Nachmittag »
Thanks!

will be updated with the next version in 30 Minuten.

Edit:
the driver is updated.
« Letzte Änderung: November 26, 2015, 11:23:35 Nachmittag von Sundtek »
Sundtek Support Engineer

Dima73

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Re:Signal Quality DVB-T
« Antwort #3 am: November 27, 2015, 10:00:28 Vormittag »
Thanks!

will be updated with the next version in 30 Minuten.

Edit:
the driver is updated.
Thanks for a quick decision, but...
I check out the new driver:

now
474000  96-98%   
490000  84%
514000  86%

need
474000  43-44%   
490000  42%
514000  43%


Sundtek

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Re:Signal Quality DVB-T
« Antwort #4 am: November 28, 2015, 01:56:46 Vormittag »
Hi,

the scale is different for those tuners, it looks absolutely okay now to me.
Every chipset might report different quality levels there's no "standard".
What shows up as 40% for you right now with your other tuner might show up as 60% with another tuner chipset.

A detailed value would be the CNR, but enigma2 does not use it.
Sundtek Support Engineer

Dima73

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Re:Signal Quality DVB-T
« Antwort #5 am: November 28, 2015, 12:17:24 Nachmittag »
Now the value exactly twice more.
It's easy to fix.