[linux-dvb] Re: Visionplus DVB-T USB strange reception quality...

[Patrick Boettcher <patrick.boettcher@desy.de>]

On Fri, 8 Oct 2004, Alwin Bakkenes wrote:

> Hi,
>
> I bought a Twinhan Visionplus DVB-T USB recently after trying a PCI version
> and getting bad reception. I run Suse 9.1, currently with the latest
> dvb-kernel from CVS (three days ago) and a 1:st october kernel from Mantel
> (2.6.8.1).
> status 04 | signal 0b21 | snr 0000 | ber 001fffff | unc 00000000 |

Currently the signal strength and the s-n-r is not calculated correctly.
Status, ber and unc are correct.

> The really weird part is that I got  good enough values from my PCI based
> card for the same channel (not for others). I could watch TV flawlessly, see
> below:

> So, my question is: What is going on? Has anybody seen this type of problem
> with the drivers?

The Twinhan USB device has IMO the worst quality of all dibusb devices. I
also have the KWorld one and a DiBcom reference device, the reception
strength is much better.

best regards,
Patrick.

--
  Mail: patrick.boettcher@desy.de
  WWW:  http://www.wi-bw.tfh-wildau.de/~pboettch/