1) what burner are you using?
2) what media? teon can be several types use dvdidentifier to get mid codes to post in your reply
TEON DVD+R 8X MADE IN TAIWAN
3) what software are you burning with?
4) no idea what you mean about check quality of the image?
I hear people mention taiyo yuden is the best media. if there is no way to test the quality of the image then how do you know if paying the extra money is worth the highest quality media. in otherwords how do I know if the image quality is good or bad?
how do I test how fast the discs are being burned?