Complex sentence: During the third week of December 2014, TVNZ tested using the same Huffman look-up tables the BBC implemented to force viewers to use approved Freeview receivers that restrict HD recording and viewing by compressing the EIT text used for terrestrial schedule event names and descriptions.
Split into simpler sentences: During the third week of December 2014, TVNZ tested using the same Huffman look-up tables the BBC implemented to force viewers to use approved Freeview receivers that restrict HD recording and viewing. The Huffman tables are being used to compress the EIT text used for terrestrial schedule event names and descriptions.