WinTV-HVR-955Q brings over-the-air high definition ATSC digital TV plus analog cable TV to your PC or laptop! Watch and record TV, in a window or full screen. Use the WinTV-Scheduler to record your favorite analog or digital TV shows using high quality MPEG-2. Play your TV recordings back to your screen any time. Clear QAM digital TV channels are digital cable channels which can be watched on a TV set without requiring a cable TV set top box. Many cable operators transmit the local high definition ATSC channels using clear QAM. Some cable operators transmit additional non-premium TV programs using clear QAM. Clear QAM channels range from standard definition to the highest 1080i definition. ATSC high definition digital TV brings you sharper TV with great sound. Watch high definition digital TV at up to 1080i on your PC screen. WinTV-HVR-955Q s ATSC digital TV tuner also has automatic identification of channel names plus will record high-definition digital TV programs to your PCs hard disk in an MPEG-2 format without losing quality. ATSC digital TV is free-to-air digital TV for North America. ATSC digital TV typically requires an antenna for reception, and is currently broadcast in 200 cities, with over 1500 TV stations. Note: ATSC digital TV is NOT digital cable TV or digital satellite TV.