On Thursday 23 March 2006 05:56, Dave Logan wrote:
> Finally, I got linux set up on another disk in my windows box....
> My results have not changed any, however....
> tuner 1 has overall poorer signal quality than tuner 2.
> I am running debian stable, package kernel 2.6.8, and the
> ivtv-0.4.3 compiled modules.
> So to recap, same card in the same computer, using ivtv direct
> under linux (ivtv-tune, cat /dev/video0 > out.mpg), and using
> the hauppauge drivers (version 2.0.35.23301) under winXP (using
> gbpvr to do the tuning, set one tuner to record a program, then
> visually flipped through channels on other tuner), quality fine
> on both live and recorded programs.
> If there's any other info I can provide from either linux or
> win, let me know what I can do. I'm pretty familiar with the
> linux side, windows stuff may need pointers to specific programs
> to use for data gathering.
> The output from my initial testing under linux is at
> http://www.digitalcoven.com/ivtv/
> The script I used to test, as well as the output from it, and the
> dmesg are there.
> I didn't know how to script a similar test under windows, so you just
> have to trust my visual judgement that they were OK, or I'll have to
> do it manually this weekend.
> Again, let me know if I can do anything to help.
> dave
Can you make available two mpgs, each using the same channel, one made
under linux, one under windows?
Can you also do some tests under linux varying the frequency slightly?
(ivtvctl -R returns the frequency times 16, use -r to set a new
frequency. Check the range of freq-20 to freq+20 in steps of 1. See if
the quality improves noticably.
Hans
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