[vdr] Skystar USB HD + VDR + Astra 23.5E 11817 V / 8psk, fec=5/6
named2 at abv.bg
Thu Nov 22 14:31:12 CET 2012
>-------- Оригинално писмо --------
>От: Ales Jurik ajurik at quick.cz
>Относно: Re: [vdr] Skystar USB HD + VDR + Astra 23.5E 11817 V / 8psk,fec=5/6
>До: VDR Mailing List <vdr at linuxtv.org>
>Изпратено на: Сряда, 2012, Юни 13 18:34:55 EEST
> On 06/13/12 10:45, N. D. wrote:
> > Hi,
> > Since recently I have been using Skystar USB HD with my vdr
> > box. However I have some strange issues with 11817V on Astra 23.5E.
> > Femon reports that there is a lock and sound comes but the image is
> > completely garbled. I am starting to suspect that there might be
> > something wrong with the driver, because I have no trouble with the
> > other transpoders. Maybe it is the combination of fec=5/6 and 8psk on
> > the said transponder that is the reason for this. Other transponders
> > with fec=3/4 and 8psk are OK. The same setup with an HVR-4000 works
> > fine.
> > Kernel: 3.3.4
> > VDR: 1.7.27
> > Could someone who owns a Skystar USB HD and has access to Astra 23.5E
> > share his experience? Is this a driver issue a problem with vdr or is my card faulty?
> > If someone would be kind enough to test this with his/hers hardware, there is a FTA channel on the problematic transponder:
> > Planeta HD;SatelliteBG:11817:VC56M5O35S1:S23.5E:27500:1001=27:1002=@3:0:0:5410:3:3206:0
> > Any help would be greatly appreciated.
> few months ago on this transponder was nearly 30% of null PID packets
> broadcasted, but now it seems to be much better (less than 1Mbps). Also
> multiplexing of this transponder was not equal within time - there was
> chunks of packets of PlanetHD multiplexed with chunks of other SD
> channels mixed packets. Maybe the buffers for USB are not big enough to
> memorize such chunks? But I didn't done measuring for some months, so
> the situation may be different now.
> You can see bitrates of this transponder at
> http://www.digitalbitrate.com/dtv.php?mux=11817&pid=5410&live=70&lang=en .
> The bitrate of this channel is nothing special, with maximum about 11
> Mbps, the peak of 20.2Mbps at 22.5. was maybe a joke.
Since 20 Nov transponders 12051V and 12207V on the same satellite Astra 3B were switched to fec=5/6 and they also became unwatchable. Before the change they were 8psk, fec=3/4. Now they are 8psk, fec=5/6.
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