Codecs are algorithms that compress and decompress video. IPTV commonly uses H.264 and H.265. H.264 offers good quality at moderate file sizes and is widely supported. H.265 compresses more efficiently, which helps with 4K content but requires newer hardware. Other formats like MPEG-2 appear in older systems. If a device does not support the codec used by a stream, the video may not p... https://britishseller.co.uk/