[linux-dvb] Trouble with tuning on Lifeview FlyDVB-T

[hermann pitton]

Am Mittwoch, den 01.10.2008, 03:40 +0200 schrieb BOUWSMA Barry:
> On Wed, 1 Oct 2008, hermann pitton wrote:
> 
> > Also above we see a tuning attempt to 562000000 Hz and previously we saw
> > already a positive offset added 562166670:INVERSION_AUTO:BANDWIDTH_8_MHZ
> 
> > usually a negative offset like this is reported more regularly?
> 
> The original poster was able to quickly obtain lock in both
> cases -- plus I would imagine that a tuner able to receive
> signals 4MHz either side of the centre frequency can handle
> a couple hundred kHz offset automagically -- certainly my
> sat set-top-boxen handle typically a ten MHz range with most
> full transponders...

Barry, the tda10046 can not.

Frequency and bandwidth must be correct.

already sleeping ..., but the rest can be AUTO.

Cheers,
Hermann

> In any case, the hg repository copy I have of uk-Rowridge
> matches what I find with a quick giggle search:
>    Rowridge DVB-T Info
>    0 (zero)
>    - (minus) 167000 Hz
>    + (plus) 167000 Hz
>    Mux 1 BBC    channel 23 freq 490000000 - offset = 489833000
>    Mux 5 C      channel 26 freq 514000000 - offset = 513833000
>    Mux 2 ITV/C4 channel 28 freq 530000000 0 offset = 530000000
>    Mux 3 A      channel 30 freq 546000000 - offset = 545833000
>    Mux 4 B      channel 32 freq 562000000 + offset = 562167000
>    Mux 6 D      channel 33 freq 570000000 + offset = 570167000
> 
> 
> However, as the original poster's frequency data shows
> two additional significant figures not present in
> either of these (in addition to the LP code rate that
> differs), it obviously isn't the same source as the hg
> repository -- whether obtained by parsing NIT data or
> based on user-specified input frequencies or whatever...
> 
> Not that either one is guaranteed 100% reliable, though
> 
> 
> (hope I make sense, when I should be sleeping)
> barry bouwsma
> 
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