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  1. 20th Jul 2003 18:07 #1
    mh2360
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    http://dvd-hq.info/Calculator.html

    Looks like a normal bit-rate calculator, except for the part where you alter the GOP structure. Is this going to make a difference quality-wise? Will it harm DVD-compatability?
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  2. 20th Jul 2003 20:25 #2
    BJ_M
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    Originally Posted by mh2360
    http://dvd-hq.info/Calculator.html

    Looks like a normal bit-rate calculator, except for the part where you alter the GOP structure. Is this going to make a difference quality-wise? Will it harm DVD-compatability?
    they are within the bounds of GOP lenth for DVD and yes - changing the GOP basewd on bit rate can improve your picture ..

    but some encoders work better at some GOP settings than others (i cant tell you why) , and accually the ratio of I and P and B pictures is a set formula but you can mess with it --

    in other words - go ahead if you know what your doing but accepting the encoder defaults is a good failsafe ....

    doing short samples at different settings is certainly good learning ..
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