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<blockquote data-quote="mm1352000" data-source="post: 1136074" data-attributes="member: 82144">Please give an example.No, you can't find them on king of sat.Modern satellite demodulators can figure out pilot tone state and roll-off factor automatically. Only some tuners with older chips (eg. Hauppauge HVR-3000, HVR-4000, NOVA HD S2) require these parameters to be set.No. That name is not displayed anywhere except the channel edit dialog.Absolutely do not do that.That list of modulation values has been extended over time by MS. When DVB-S2 first came out (XP, XP MCE), the DVB-S2 values had not been defined. Therefore tuner vendors who wanted to release DVB-S2 products had to use vendor-specific behaviours. For example, if you want to tell a TechnoTrend tuner that you're tuning DVB-S2 then you must pass modulation 8 VSB (which is actually the modulation for US/Canada terrestrial television!!!). Each vendor made different choices... and the behaviour can be different depending on whether the OS is XP, Vista, or 7+.To resolve this problem, TV Server does a translation from these values:Not set = DVB-S QPSKQPSK = DVB-S2 QPSK8 PSK = DVB-S2 8 PSK...to the required vendor-specific values.If I had my way (and I will with TVE 3.5), the other choices won't be in the list.P.S. Where is this discussion coming from? Can't you just trust that if tuning works then the values are okay?</blockquote>

[QUOTE="mm1352000, post: 1136074, member: 82144"] Please give an example. No, you can't find them on king of sat. Modern satellite demodulators can figure out pilot tone state and roll-off factor automatically. Only some tuners with older chips (eg. Hauppauge HVR-3000, HVR-4000, NOVA HD S2) require these parameters to be set. No. That name is not displayed anywhere except the channel edit dialog. Absolutely do [B]not[/B] do that. That list of modulation values has been extended over time by MS. When DVB-S2 first came out (XP, XP MCE), the DVB-S2 values had not been defined. Therefore tuner vendors who wanted to release DVB-S2 products had to use vendor-specific behaviours. For example, if you want to tell a TechnoTrend tuner that you're tuning DVB-S2 then you must pass modulation 8 VSB (which is actually the modulation for US/Canada terrestrial television!!!). Each vendor made different choices... and the behaviour can be different depending on whether the OS is XP, Vista, or 7+. To resolve this problem, TV Server does a translation from these values: Not set = DVB-S QPSK QPSK = DVB-S2 QPSK 8 PSK = DVB-S2 8 PSK ...to the required vendor-specific values. If I had my way (and I will with TVE 3.5), the other choices won't be in the list. P.S. Where is this discussion coming from? Can't you just trust that if tuning works then the values are okay? [/QUOTE]

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