what type of
TV card are u using? model number...
does it has RCA input (yellow,red,white) like digital TV set top box...
Rear view of TV tuner card, but my TV tuner card has additional FM antenna input
For the Step 1 below a TV tuner card is not needed just connect the RCA to PC via USB
Method 1:
Analog (RCA) to Digital (USB) w / Audio
http://ep.yimg.com/ca/I/yhst-81126207287951_2073_120574403
For Method 2: You have to connect the yellow pin (video) from set top box to the Yellow input of TV tuner Card & using the Stereo to RCA Converter,
connect the stereo end to Line-in of the TV Tuner Card(blue color)
Method 2:
Stereo to RCA cable
Make sure it has female connector at the RCA end( the one shown in thread has male connectors). Connect red and blue cable from dth to female of RCA end. And then
1. connect stereo end to Line in of your PC's sound card or
2. connect stereo end to TV tuners line in (blue) and use the small stereo to stereo cable supplied with your TV tuner to connect tv tuner's audio out to sound card's line in.
While playing TV, select sound source as line in both the cases. Then u have to choose the Composite mode in the TV tuner software.
Method 3:
Aver Media: AVerTV MCE 113 with (RCA)
http://img517.imageshack.us/i/ptm113body071113.jpg/
Method 4:
Sabrent USB 2.0 Video/Audio Capture DVD Maker Adapter - USB 2.0, MPEG Encoder, Plug-n-Play, Vista Ready
same as Method 1
http://img260.imageshack.us/i/sabrentusbavcptm5011326.jpg/
Enjoy Digital TV!