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MediaPortal 1
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<blockquote data-quote="Kiwi" data-source="post: 819113" data-attributes="member: 25028"><p><strong>MediaPortal Version</strong>: 1.2.1</p><p><strong>MediaPortal Skin</strong>: Avalon</p><p><strong>Windows Version</strong>: Win 7 x64</p><p><strong>CPU Type</strong>: AMD Phenom II X4 810</p><p><strong>HDD</strong>: 1 x Samsung 1TB, OCZ 50G SSD</p><p><strong>Memory</strong>: 4GB DDR3</p><p><strong>Motherboard</strong>: Gigabyte GA-MA770T-UD3P</p><p><strong>Video Card</strong>: Gigabyte 550Ti</p><p><strong>Video Card Driver</strong>: </p><p><strong>Sound Card</strong>: </p><p><strong>Sound Card AC3</strong>: optical out</p><p><strong>Sound Card Driver</strong>: </p><p><strong>1. TV Card</strong>: Hauppauge 2200 x 2</p><p><strong>1. TV Card Type</strong>: DVB-T</p><p><strong>1. TV Card Driver</strong>: </p><p><strong>2. TV Card</strong>: Hauppauge 150</p><p><strong>2. TV Card Type</strong>: Analogue</p><p><strong>HTPC Case</strong>: Silverstone LC17</p><p><strong>Cooling</strong>: Ninja Mini</p><p><strong>Power Supply</strong>: </p><p><strong>Remote</strong>: MS MCE</p><p><strong>TV</strong>: 42" Philips LCD Full HD</p><p><strong>TV - HTPC Connection</strong>: DVI - HDMI</p><p></p><p></p><p>Recently I upgraded my TV to a full HD Philips. As this TV supported multiple refresh rates, I enabled refresh rate changer. TV is in "PC Mode" to get 1080 without overscan.</p><p>Now when playing TV (live or recorded), I get a large stutter every 1:40s. Skipping back 15s plays the stutter part cleanly so the TS buffer & recordings are fine. MKV's playing at 23.976Hz also stutter on a regular basis. The stutter "looks like" a whole lot of repeated frames, or a whole lot of frames played quickly as if something has gone slowly out of sync and needs to catch up.</p><p></p><p>Putting the TV into "HD mode" solves the stutter <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite5" alt=":confused:" title="Confused :confused:" loading="lazy" data-shortname=":confused:" /> , but introduces overscan <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite4" alt=":mad:" title="Mad :mad:" loading="lazy" data-shortname=":mad:" /></p><p>Changing the refresh rate to 60Hz also solves the repeated stutter (PC mode) <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite5" alt=":confused:" title="Confused :confused:" loading="lazy" data-shortname=":confused:" /> The picture when panning is not as smooth at 60Hz, but is preferable to the large stutter every 1:40s.</p><p></p><p>Graphs are smooth at 50Hz with nothing indicating any problems. Graphs at 60Hz are saw tooth as expected.</p><p></p><p>Im using SAF 6 and have tried almost every possible codec combination but nothing fixes it.</p><p>Im getting the same behavior in MPC-HC although the time between stutters is shorter at 20s, which suggests that its not an MP issue alone.</p><p>Ive rebuilt PC twice with same behavior</p><p></p><p>Render graphs for 50Hz refresh & 60Hz refresh attached, plus logs while set to 50Hz.</p><p></p><p>Any ideas or suggestions welcome. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="Kiwi, post: 819113, member: 25028"] [b]MediaPortal Version[/b]: 1.2.1 [b]MediaPortal Skin[/b]: Avalon [b]Windows Version[/b]: Win 7 x64 [b]CPU Type[/b]: AMD Phenom II X4 810 [b]HDD[/b]: 1 x Samsung 1TB, OCZ 50G SSD [b]Memory[/b]: 4GB DDR3 [b]Motherboard[/b]: Gigabyte GA-MA770T-UD3P [b]Video Card[/b]: Gigabyte 550Ti [b]Video Card Driver[/b]: [b]Sound Card[/b]: [b]Sound Card AC3[/b]: optical out [b]Sound Card Driver[/b]: [b]1. TV Card[/b]: Hauppauge 2200 x 2 [b]1. TV Card Type[/b]: DVB-T [b]1. TV Card Driver[/b]: [b]2. TV Card[/b]: Hauppauge 150 [b]2. TV Card Type[/b]: Analogue [b]HTPC Case[/b]: Silverstone LC17 [b]Cooling[/b]: Ninja Mini [b]Power Supply[/b]: [b]Remote[/b]: MS MCE [b]TV[/b]: 42" Philips LCD Full HD [b]TV - HTPC Connection[/b]: DVI - HDMI Recently I upgraded my TV to a full HD Philips. As this TV supported multiple refresh rates, I enabled refresh rate changer. TV is in "PC Mode" to get 1080 without overscan. Now when playing TV (live or recorded), I get a large stutter every 1:40s. Skipping back 15s plays the stutter part cleanly so the TS buffer & recordings are fine. MKV's playing at 23.976Hz also stutter on a regular basis. The stutter "looks like" a whole lot of repeated frames, or a whole lot of frames played quickly as if something has gone slowly out of sync and needs to catch up. Putting the TV into "HD mode" solves the stutter :S , but introduces overscan :growl: Changing the refresh rate to 60Hz also solves the repeated stutter (PC mode) :S The picture when panning is not as smooth at 60Hz, but is preferable to the large stutter every 1:40s. Graphs are smooth at 50Hz with nothing indicating any problems. Graphs at 60Hz are saw tooth as expected. Im using SAF 6 and have tried almost every possible codec combination but nothing fixes it. Im getting the same behavior in MPC-HC although the time between stutters is shorter at 20s, which suggests that its not an MP issue alone. Ive rebuilt PC twice with same behavior Render graphs for 50Hz refresh & 60Hz refresh attached, plus logs while set to 50Hz. Any ideas or suggestions welcome. :thx: [/QUOTE]
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