Philips players tend to play anything. Mainstream upconverting players (even Sony, Panasonic, LG, etc.) have issues with discs if they are not authored a certain way. I went through 5 different upconverting players (none were Toshiba) trying to play DVD+R discs burned by my Magnavox DVD recorder before settling on an upconverting Philips DVD recorder (lousy upscaler BTW compared to my A20).