You'll believe it when you see it. I purchased a DTB-H260F digital set top box to convert digital signal input (June 12 2009) from over the air local TV stations to a first generation 1080i 32" LCD Panasonic display. This box is touted to upconvert digital to digital HD and I believe as it is designed, it does a good job at video HD upconversion. However, upcoversion necessitates the use of a HDMI cable that conducts both video and audio. When working properly, the audio is amplified using HDMI and the end user enjoys a wider... read full review »