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<blockquote data-quote="mm1352000" data-source="post: 805961" data-attributes="member: 82144">Hi againIn fact I can confirm immediately from the debug TsWriter log that the information for the channels is coming from the PMT - the SDT is not received when you don't specify the tuning parameters properly. This is because the bit-rate of the transponder is too high and the FloppyDTV can't deliver the full transponder stream over Firewire to MP (or other software). You *must* specify the modulation and FEC rate (and you should also set the pilot and roll-off values) when tuning or scanning these transponders so that the hardware PID filter is engaged and the amount of data that has to be transmitted over the firewire bus is reduced, otherwise you will continue to have &quot;unknown...&quot; channel problems.mm[Edit: and in the case where you set the modulation and FEC correctly and still go unknown channels... SDT was simply not received at all. I can't explain that. I would put it down to either a FloppyDTV driver issue (maybe with the PID filter), maybe in combination with a provider issue - it is possible that they only transmit the SDT once every 30 seconds or something...]</blockquote>

[QUOTE="mm1352000, post: 805961, member: 82144"] Hi again In fact I can confirm immediately from the debug TsWriter log that the information for the channels is coming from the PMT - the SDT is not received when you don't specify the tuning parameters properly. This is because the bit-rate of the transponder is too high and the FloppyDTV can't deliver the full transponder stream over Firewire to MP (or other software). You *must* specify the modulation and FEC rate (and you should also set the pilot and roll-off values) when tuning or scanning these transponders so that the hardware PID filter is engaged and the amount of data that has to be transmitted over the firewire bus is reduced, otherwise you will continue to have "unknown..." channel problems. mm [Edit: and in the case where you set the modulation and FEC correctly and still go unknown channels... SDT was simply not received at all. I can't explain that. I would put it down to either a FloppyDTV driver issue (maybe with the PID filter), maybe in combination with a provider issue - it is possible that they only transmit the SDT once every 30 seconds or something...] [/QUOTE]

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