bitrate calc formula...

[bilestyle]

can anyone help me out with a birate calculator formula? i got one from the rip different message board but i don't think the bitrate always comes out properly.. i've had success with the one in ffmpegx but i want the actual working equation itself for coding purposes.

http://www.macdvd.org/ubb/Forum1/HTML/000035.html

that is the link to the rip different thread about a formula but it often gets different results from ffmpegx so im not 100% confident in it.. either that or im just not using it right.

[tgpo]

There are some at the top of this page.

http://www.vcdhelp.com/tools

[bilestyle]

i dont want bitrate calc programs.. i already have plenty of em.. i want the actual formula itself to calculate the bitrate so i can implement a calc into afropic

[tgpo]

Use this formular to calculate your bitrate:

Videobitrate = (M x (L / L1) - A) / 100

M = Lenght of the whole movie
L = Size of the Medium you like to use in kb (e.g. 800 MB = 800.000 kb)
L1 = Minutes you like to have on the Medium in seconds
A = Audiobitrate in kb

If the movie has a length of 90 Minutes is M = 5.400
If you like to use two 700 Mb CD-R's then is L = 140.000
If you like to rip the movie as an SVCD containing 50 minutes for one CD is L1 = 3.000
If the bitrate of the sound should be 224 kb then is A = 224
In that case ...
Videobitrate = (5.400 x (140.000 / 3.000) - 224) / 100

You should use 2518 kb/sec to rip the movie.

This formular will work for every kind of movie.

[bilestyle]

muchas gracias... i tried to search for a thread that had the post alreaady cuz i was sure it was here somewhere but didnt have much luck.. either way now i can add one very easily. its kinda annoying not having on built in, kinda takes away from the all-in-oneness (if thats a word)

[tgpo]

Yeah, the topic title was something about ac3 files, but I remembered it from earlier. Sounds like the program is coming along nicely. Keep up the good work.

[Ekin]

tgpp: Is there a way for me to calculate (Formula??)how long of a moive that I can put my DVD-R?? I am capturing from VHS using ATI AIW with Virtual Dub, Huffuv@720*480 PCM audio 44khz. My tape is around 2 hour and 30 min. long. Is there a formula that I can follow so that I can calculate how many DVD-R I would need, and how long each DVD-R is going to be ?