* Sony PlayTV: tuning on second tuner causing reception issues on first tuner
@ 2012-10-13 14:25 Torgeir Veimo
2012-10-15 14:55 ` Patrick Boettcher
0 siblings, 1 reply; 2+ messages in thread
From: Torgeir Veimo @ 2012-10-13 14:25 UTC (permalink / raw)
To: linux-media
When background EIT scanning is enabled on my VDR setup, I am getting signal
disruption about every 20-21 seconds, with my sony playtv USB dual DVB-T tuner.
This seems to be caused by the second tuner retuning in the
background. I've heard that the nova-t 500 cards can have issues with
disruption when the second tuner on a card is tuning. Is this the same
type of problem?
Are there any other dual USB tuners that doesn't have problems with
tuning on second tuner causing reception issues on the first tuner?
--
-Tor
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Sony PlayTV: tuning on second tuner causing reception issues on first tuner
2012-10-13 14:25 Sony PlayTV: tuning on second tuner causing reception issues on first tuner Torgeir Veimo
@ 2012-10-15 14:55 ` Patrick Boettcher
0 siblings, 0 replies; 2+ messages in thread
From: Patrick Boettcher @ 2012-10-15 14:55 UTC (permalink / raw)
To: linux-media
Hi Torgeir,
On Sunday 14 October 2012 00:25:26 Torgeir Veimo wrote:
> When background EIT scanning is enabled on my VDR setup, I am getting
> signal disruption about every 20-21 seconds, with my sony playtv USB dual
> DVB-T tuner.
In the VDR-ML-thread you said that you have 2 of those devices?
I could get my hands on the information which is date 3-4 years ago when the
device was designed and in fact the problem you're describing existed at
that time. It was fixed by hardware and normally should not appear in end-
user's products. However as I understand the fix can easily fail if the
production-site a) does not know that this problem exists and thus does not
test it or b) doesn't care. Rumors say, that the prod-site has been
transferred from France to China. If that is true or if your device is
simply a runner or anything else is not clear as of now.
When did you purchase this device? If it was recently, there is a fair
chance that exchanging it will result in a working device.
>
> This seems to be caused by the second tuner retuning in the
> background. I've heard that the nova-t 500 cards can have issues with
> disruption when the second tuner on a card is tuning. Is this the same
> type of problem?
Most likely. No complete software-fix available.
regards,
--
Patrick
Kernel Labs Inc.
http://www.kernellabs.com/
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2012-10-13 14:25 Sony PlayTV: tuning on second tuner causing reception issues on first tuner Torgeir Veimo
2012-10-15 14:55 ` Patrick Boettcher
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