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<blockquote data-quote="JJDoherty" data-source="post: 1041835" data-attributes="member: 142679"><p>Hi all,</p><p></p><p>Here's an update on where I'm at. I have been using the calibration guide you linked to @[USER=82144]mm1352000[/USER], but thanks anyway. I have followed it and it's proven to be extremely useful, by confirming in one location, all the bits and pieces I have picked up from around the MP forum.</p><p></p><p>So just to clarify, this is the current state of play:</p><p></p><ul> <li data-xf-list-type="ul">Intel HD graphic 3D: Vertical Sync has been set on</li> <li data-xf-list-type="ul">Samsung TV set to 50Hz</li> <li data-xf-list-type="ul">MP configuration DRR is enabled</li> <li data-xf-list-type="ul">LAV codec is selected exclusively, with MP - Audio Renderer</li> <li data-xf-list-type="ul">LAV video config , DXVA2 (native) has been selected as the hardware decoder, with RGB output levels set to PC</li> <li data-xf-list-type="ul">LAV audio config, all the relevant audio settings have been disabled</li> <li data-xf-list-type="ul">The timeshift buffer location is set to the SSD, while all TV recordings and existing movies/TV series reside on the 1TB HDD</li> </ul><p>I have an ASRock H61MV-ITX motherboard which enabled me to overclock the GPU to 1.3Mhz from 1.05Mhz, which I believe improved things further.</p><p></p><p>So while there has been some improvement in the main, the Irish DTT (Saorview) channels are still dropping frames when the OSD graph is examined (SHIFT+1), introducing varying degrees of stuttering, pixelation and freezing. I have attached an image of this for one DTT station. These DTT stations broadcast in a range of qualities, from SD to 1440 x 1080 and 1920 x 1080, for different content (some movies, TV and sporting events are HD, other programming is SD).</p><p></p><p>[ATTACH]139392[/ATTACH]</p><p></p><p>Strangely the UK Freesat HD channels are perfect, broadcasting in 1440 x 1080 or 1920 x 1080 (BBC HD, ITV HD, Channel 4 HD). It is this which confuses me. If the UK freesat channel are perfect then why are the Irish DTT channels not. I do realise they are using difterent encoding but surely the LAV codec can cope with this or am I missing something? Irish DTT is broadcast in DVB-T/MPEG-4. Saorview is also part of the NorDig group, using the NorDig Unified Requirement for integrated receiver decoders, specifications for which can be found here <a href="http://www.nordig.org/pdf/NorDig-Unified_ver_2.4.pdf" target="_blank">http://www.nordig.org/pdf/NorDig-Unified_ver_2.4.pdf</a> if of interest.</p><p></p><p>I think what I've posted above is a little off topic at this stage but I may link to this post on another thread or even start a new thread to highlight the issue.</p><p></p><p>Thanks all...</p></blockquote><p></p>
[QUOTE="JJDoherty, post: 1041835, member: 142679"] Hi all, Here's an update on where I'm at. I have been using the calibration guide you linked to @[USER=82144]mm1352000[/USER], but thanks anyway. I have followed it and it's proven to be extremely useful, by confirming in one location, all the bits and pieces I have picked up from around the MP forum. So just to clarify, this is the current state of play: [LIST] [*]Intel HD graphic 3D: Vertical Sync has been set on [*]Samsung TV set to 50Hz [*]MP configuration DRR is enabled [*]LAV codec is selected exclusively, with MP - Audio Renderer [*]LAV video config , DXVA2 (native) has been selected as the hardware decoder, with RGB output levels set to PC [*]LAV audio config, all the relevant audio settings have been disabled [*]The timeshift buffer location is set to the SSD, while all TV recordings and existing movies/TV series reside on the 1TB HDD [/LIST] I have an ASRock H61MV-ITX motherboard which enabled me to overclock the GPU to 1.3Mhz from 1.05Mhz, which I believe improved things further. So while there has been some improvement in the main, the Irish DTT (Saorview) channels are still dropping frames when the OSD graph is examined (SHIFT+1), introducing varying degrees of stuttering, pixelation and freezing. I have attached an image of this for one DTT station. These DTT stations broadcast in a range of qualities, from SD to 1440 x 1080 and 1920 x 1080, for different content (some movies, TV and sporting events are HD, other programming is SD). [ATTACH]139392[/ATTACH] Strangely the UK Freesat HD channels are perfect, broadcasting in 1440 x 1080 or 1920 x 1080 (BBC HD, ITV HD, Channel 4 HD). It is this which confuses me. If the UK freesat channel are perfect then why are the Irish DTT channels not. I do realise they are using difterent encoding but surely the LAV codec can cope with this or am I missing something? Irish DTT is broadcast in DVB-T/MPEG-4. Saorview is also part of the NorDig group, using the NorDig Unified Requirement for integrated receiver decoders, specifications for which can be found here [url]http://www.nordig.org/pdf/NorDig-Unified_ver_2.4.pdf[/url] if of interest. I think what I've posted above is a little off topic at this stage but I may link to this post on another thread or even start a new thread to highlight the issue. Thanks all... [/QUOTE]
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