PAL NTSC USB converter


 * http://www.newegg.com/Product/Product.aspx?Item=N82E16882203057 Linux based USB mpeg-4 capture
 * Startech SVID2USB2 uses BT878 chipset and available from http://www.newegg.com
 * http://www.startech.com/item/SVID2USB2-USB-2-Video-Capture-Cable.aspx

The BT878 is a MPEG-2 or mpeg4 compression chip with v/h circuitry to capture and digitize an analogue stream.

Linux support http://www.spinics.net/lists/linux-media/msg30329.html

http://www.302found.com/linux_usb_video/  List of webcams with linux support