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-   -   Bitrates: Bitrate calculations? (http://www.digitalfaq.com/archives/encode/8486-bitrates-bitrate-calculations.html)

kev23m 03-05-2004 03:26 PM

Bitrate calculations?
 
OK for CQMatic i need to provide the runtime of the vdeo and avg bitrate.

The problem is Moviestacker and Fitcd sometimes shows incorrect length of the movie, mostly long one's.

For one movie which it did show the right length, the avg bitrate is diff in moviestacker and fitcd.

What is the bestway to calculate the avg bitrate?

kwag 03-05-2004 03:31 PM

Re: Bitrate calculations?
 
Quote:

Originally Posted by kev23m
What is the bestway to calculate the avg bitrate?

CalcuMatic ;)

-kwag

kev23m 03-05-2004 04:15 PM

Got Calcumatic , even here for the longer films , i gave the d2v source runtime shown was 142m but the movie length actuall is 2h57m.

Anything i am doing wrong , even moviestacker gives the same time.

One More Q?


For the movie which it is showing the right length , i opened tmpgenc, loaded the template then the avs file and saved the project as tmpgenc text project. Audio line is blank and source range unchecked.

Provided the details in CQMatic, loaded the project.

But tmpg does not open, have clicked on setting and pointed to the tmpgenc.exe file, CQ keeps going higher.

What am i doing wrong here, it's not that its not worked some projects it does open.

Dialhot 03-05-2004 06:23 PM

Quote:

Originally Posted by kev23m
Got Calcumatic , even here for the longer films , i gave the d2v source runtime shown was 142m but the movie length actuall is 2h57m.

That means that in,, DVD2AVI you do a forced film on a non NTSC movie and thus, your framerate was converted to 20 fps. Set "filed operation" to "none" in the video menu of dvd2avi.

Quote:

What am i doing wrong here, it's not that its not worked some projects it does open.
You probably used too long pathnames for the files.
Put everything in a very short directory, like "C:\kvcd".

kev23m 03-05-2004 07:16 PM

Tried Cqmatic with smaller paths , NO Luck!


Checked in DVD2AVI also , Video > Operation it's none.

WOWIEGURL 06-05-2004 12:13 AM

How do you read CQmatic/Calcumatic to find the min and max bitrate?

kwag 06-05-2004 12:47 AM

Quote:

Originally Posted by WOWIEGURL
How do you read CQmatic/Calcumatic to find the min and max bitrate?

You set your MIN and MAX to whatever you want.
CalcuMatic gives you the correct average bitrate for your selected target(s).

-kwag


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