qam

The tag qam covers discussions about Quadrature Amplitude Modulation, a digital modulation scheme used in television broadcasting. On WindowsForum.com, this tag appears in the context of TV tuner hardware for Windows PCs, specifically the Hauppauge WinTV-HVR-2255 model. This dual TV tuner includes built-in NTSC, ATSC, and QAM receivers, enabling reception of both analog and digital cable TV signals without a set-top box. The tag is relevant for users interested in building or upgrading a home theater PC (HTPC) with over-the-air or unencrypted cable TV capabilities. Topics may include driver installation, software configuration, and troubleshooting QAM channel scanning in Windows Media Center or other TV applications.