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MediaPortal 1
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[solved by driver update of PCTV 461e] "Continuity error..." after updating from Windows 10 1909 to 20H2
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<blockquote data-quote="Andy_2639" data-source="post: 1279640" data-attributes="member: 161048"><p><img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> </p><p></p><p></p><p></p><p>I know about different sensitivities. I experienced it myself with DVB-T(1) with an TV showing only artifacts and my PCTV Quatro Stick (510e) USB (DVB-T, DVB-C, PAL analog TV, FM radio) with almost perfect sound and picture (that's not the TV Card I'm currently using).</p><p>Currently, I'm using PCTV DVB-S2 Stick (461e) (USB).</p><p></p><p>I don't think that the problem with the continuity errors is related to the signal strength/quality because it isn't randomly but perfectly correlated with using the computer. (And it started with the 20H2 update - which could be coincidentally with a hardware break but with the perfect correlation of using the computer ... that seems a better explanation.)</p><p>This screenshot was done while having many artifacts and continuity errors:</p><p>[ATTACH]207227[/ATTACH]</p><p>When I looked at the receiving details where I didn't have the errors (before updating to 20H2), strength and quality didn't look different.</p><p></p><p>(I already had a TV stick which was perfectly find and then broke. Analog TV, at the beginning it was a good picture but it got noisier (nearly unwatchable) with the time (as the stick got warmer). The distributor told me that the manufacturer PCTV acknowledged a hardware defect ...)</p><p></p><p></p><p></p><p>I'm thinking about buying a new PCIe DVB-S2 card. I'm planning to ask for experiences here in the forum before. But this will be at the beginning of the next year - too much time already planned for the rest of this year .</p><p></p><p>The theory about the vanished continuity errors with the PCIe card was that the communication is differently. For USB, as far as I understand it, it needs USB interrupt mode which means that the system has to poll the TV card. If this polling is not fast enough, data is dropped because an overrunning buffer inside the TV card.</p><p>A PCIe card can use DMA to directly write into the RAM. (Maybe this also allows for bigger buffers?)</p><p></p><p>(My system has 16 GB RAM, of wich normally 8-10 GB are used for disk cache. So in theory, Windows could write an entire SD movie into disk cache when the slow disks are busy ... I don't know whether Windows would do that in such an extreme case.)</p><p></p><p>Thanks again for your quick reply!</p><p></p><p></p><p></p><p>Tanks for this information. I think that's really a loss - for you as supporters and for ones like me searching for help. Especially with this kind of problem ...</p><p>In the forum and wiki, they are still referenced:</p><p><a href="https://forum.team-mediaportal.com/threads/dont-forget-to-include-logs-and-fill-in-system-specs-for-support.118424/" target="_blank">Don't forget to include Logs and fill in System Specs for Support! | MediaPortal - An Open Source Windows Media Center for FREE! (team-mediaportal.com)</a></p><p><a href="https://www.team-mediaportal.com/wiki/display/MediaPortal1/System%20Specs" target="_blank">System Specs (team-mediaportal.com)</a></p></blockquote><p></p>
[QUOTE="Andy_2639, post: 1279640, member: 161048"] :) I know about different sensitivities. I experienced it myself with DVB-T(1) with an TV showing only artifacts and my PCTV Quatro Stick (510e) USB (DVB-T, DVB-C, PAL analog TV, FM radio) with almost perfect sound and picture (that's not the TV Card I'm currently using). Currently, I'm using PCTV DVB-S2 Stick (461e) (USB). I don't think that the problem with the continuity errors is related to the signal strength/quality because it isn't randomly but perfectly correlated with using the computer. (And it started with the 20H2 update - which could be coincidentally with a hardware break but with the perfect correlation of using the computer ... that seems a better explanation.) This screenshot was done while having many artifacts and continuity errors: [ATTACH alt="Capture2.PNG"]207227[/ATTACH] When I looked at the receiving details where I didn't have the errors (before updating to 20H2), strength and quality didn't look different. (I already had a TV stick which was perfectly find and then broke. Analog TV, at the beginning it was a good picture but it got noisier (nearly unwatchable) with the time (as the stick got warmer). The distributor told me that the manufacturer PCTV acknowledged a hardware defect ...) I'm thinking about buying a new PCIe DVB-S2 card. I'm planning to ask for experiences here in the forum before. But this will be at the beginning of the next year - too much time already planned for the rest of this year . The theory about the vanished continuity errors with the PCIe card was that the communication is differently. For USB, as far as I understand it, it needs USB interrupt mode which means that the system has to poll the TV card. If this polling is not fast enough, data is dropped because an overrunning buffer inside the TV card. A PCIe card can use DMA to directly write into the RAM. (Maybe this also allows for bigger buffers?) (My system has 16 GB RAM, of wich normally 8-10 GB are used for disk cache. So in theory, Windows could write an entire SD movie into disk cache when the slow disks are busy ... I don't know whether Windows would do that in such an extreme case.) Thanks again for your quick reply! Tanks for this information. I think that's really a loss - for you as supporters and for ones like me searching for help. Especially with this kind of problem ... In the forum and wiki, they are still referenced: [URL='https://forum.team-mediaportal.com/threads/dont-forget-to-include-logs-and-fill-in-system-specs-for-support.118424/']Don't forget to include Logs and fill in System Specs for Support! | MediaPortal - An Open Source Windows Media Center for FREE! (team-mediaportal.com)[/URL] [URL='https://www.team-mediaportal.com/wiki/display/MediaPortal1/System%20Specs']System Specs (team-mediaportal.com)[/URL] [/QUOTE]
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[solved by driver update of PCTV 461e] "Continuity error..." after updating from Windows 10 1909 to 20H2
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