https://helpforum.sky.com/t5/Sky-Stream/Picture-quality-Sky-Atlantic/m-p/5141390#M63111 <BLOCKQUOTE><HR /><a href="https://helpforum.sky.com/t5/user/viewprofilepage/user-id/2951239">@StuMurph</a>&nbsp;wrote:<BR /><P>This seems to have gone downhill drastically over the last few weeks - watching live, the picture is blocky and particularly any black/dark sections of the picture are grainy and blocky. If I watch the exact same episode (eg Game of Thrones) on-demand the picture is absolutely fine - tried changing HDMI cables and ports and still no improvement. Is this just me, or is this anyone else seeing it?</P><HR /></BLOCKQUOTE><P>Live streams are generally more compressed than the on demand versions. Dark scenes in particular can suffer badly from high levels of compression, creating the artefacting you see on the live version.&nbsp;</P><P>It's always best to watch on demand if you can, and in the case of GoT, in UHD with HDR if you have the appropriate add-on.&nbsp;</P> Fri, 14 Nov 2025 11:58:23 GMT BenJoBanjo 2025-11-14T11:58:23Z https://helpforum.sky.com/t5/Sky-Stream/Picture-quality-Sky-Atlantic/m-p/5141068#M63087 <P>This seems to have gone downhill drastically over the last few weeks - watching live, the picture is blocky and particularly any black/dark sections of the picture are grainy and blocky. If I watch the exact same episode (eg Game of Thrones) on-demand the picture is absolutely fine - tried changing HDMI cables and ports and still no improvement. Is this just me, or is this anyone else seeing it?</P> Thu, 13 Nov 2025 22:56:34 GMT https://helpforum.sky.com/t5/Sky-Stream/Picture-quality-Sky-Atlantic/m-p/5141068#M63087 StuMurph 2025-11-13T22:56:34Z https://helpforum.sky.com/t5/Sky-Stream/Picture-quality-Sky-Atlantic/m-p/5141390#M63111 <BLOCKQUOTE><HR /><a href="https://helpforum.sky.com/t5/user/viewprofilepage/user-id/2951239">@StuMurph</a>&nbsp;wrote:<BR /><P>This seems to have gone downhill drastically over the last few weeks - watching live, the picture is blocky and particularly any black/dark sections of the picture are grainy and blocky. If I watch the exact same episode (eg Game of Thrones) on-demand the picture is absolutely fine - tried changing HDMI cables and ports and still no improvement. Is this just me, or is this anyone else seeing it?</P><HR /></BLOCKQUOTE><P>Live streams are generally more compressed than the on demand versions. Dark scenes in particular can suffer badly from high levels of compression, creating the artefacting you see on the live version.&nbsp;</P><P>It's always best to watch on demand if you can, and in the case of GoT, in UHD with HDR if you have the appropriate add-on.&nbsp;</P> Fri, 14 Nov 2025 11:58:23 GMT https://helpforum.sky.com/t5/Sky-Stream/Picture-quality-Sky-Atlantic/m-p/5141390#M63111 BenJoBanjo 2025-11-14T11:58:23Z