[linux-dvb] Trouble with tuning on Lifeview FlyDVB-T
hermann-pitton at arcor.de
Wed Oct 1 03:50:28 CEST 2008
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.
> 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
> linux-dvb mailing list
> linux-dvb at linuxtv.org
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