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<blockquote data-quote="Taipan" data-source="post: 63880" data-attributes="member: 11681">Hi Juan,I don't have any experience with Hauppauge DVB-T cards, so I don't know if they have any particular requirements.&nbsp; However, if a TV channel is advertised as being on a particular frequency (say 191,625) then I would expect that all DVB-T cards would have to tune to that exact frequency in order to receive that particular channel.&nbsp; It seems that some DVB-T cards can be tuned to a frequency near to the correct frequency, and still be able to lock themselves onto the correct frequency.For example, card A might be tuned to 191,500 and then be able to lock itself to 191,625 and work.&nbsp; But card B would be tuned to 191,500 and not be able to lock onto 191,625 and thus not work.My experience with MediaPortal is that it often collects the wrong frequency during the Autotune and some DVB-T cards can cope with this (it takes them a little longer to lock the signal, so channel changes are slower) and some DVB-T cards cannot cope at all.&nbsp; Correcting the frequency value manually then solves this problem (at least for all the cards that I have experienced).As you say, maybe the Hauppauge DVB-T cards are different in some way.... :?</blockquote>

[QUOTE="Taipan, post: 63880, member: 11681"] Hi Juan, I don't have any experience with Hauppauge DVB-T cards, so I don't know if they have any particular requirements. However, if a TV channel is advertised as being on a particular frequency (say 191,625) then I would expect that all DVB-T cards would have to tune to that exact frequency in order to receive that particular channel. It seems that some DVB-T cards can be tuned to a frequency near to the correct frequency, and still be able to lock themselves onto the correct frequency. For example, card A might be tuned to 191,500 and then be able to lock itself to 191,625 and work. But card B would be tuned to 191,500 and not be able to lock onto 191,625 and thus not work. My experience with MediaPortal is that it often collects the wrong frequency during the Autotune and some DVB-T cards can cope with this (it takes them a little longer to lock the signal, so channel changes are slower) and some DVB-T cards cannot cope at all. Correcting the frequency value manually then solves this problem (at least for all the cards that I have experienced). As you say, maybe the Hauppauge DVB-T cards are different in some way.... :? [/QUOTE]

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