STi7167 is a high definition decoder chip produced by ST. It supports DVB-C and DVB-T demodulation and supports H264/VC-1/MPEG2, H264/VC-1/MPEG2/AVS high-definition and standard-definition video decoding, supports MPEG 1, 2, MP3, DD/DD+, AAC/AAC+, WMA9/WMA9Pro multi-channel audio decoding, supports Linux, Windows CE and OS21 operating systems, supports 32-bit DDR1/DDR2 local memory interface, supports dual USB hosts, e-SATA (optional), Ethernet MAC/MII/RMII and PCI connections, and supports SVP, MS-DRM and DTCP-IP security and DRM functions.