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How to increase of 14% the capacity of a normal CD - 4/9/2002 5:23:00 AM   
Salvo

 

Posts: 3
Joined: 4/9/2002
From: Italy
Status: offline
I want make a CD-R with a video file *.avi (divX) and iI have read that with audio CD or *.mpeg file in a videoCD (using MODE-2 FORMAT-2) I can insert ≈ 740Mbyte of data in a normal 650Mbyte CD-R and ≈ 800 Mbyte in a CD of 700.
The difference between multimedia and software data is due becouse a portion of space that is normally used for CRC (error correction) is used, in multimedia file, for data.I have try to make a videoCD using an AVI file but the program automatically recompress and transform it in a MPEG-1 format.

There is the possibility to force the burning software to use mode-2 format-2 metod making a CD-R with an *.avi file now o in the future?

There is a software that can make this?

Please for any answer use Italian or a simple English without abbrevation.

Thanks….


Post #: 1
RE: How to increase of 14% the capacity of a normal CD - 4/9/2002 8:29:57 PM   
CCampbell


Posts: 578
Joined: 10/6/2000
From: Sunnyvale, CA (Unite
Status: offline
Audio and Video formats use the Mode 2 setting, to take advantage of the extra space it can provide. And since one bad bit will not affect the outcome of a Song or Video. Meaning for Audio, the human ear can not detect the missing bit, and in Video, you can not see the missing pixel.

But if you are creating a Data CD, to store the MPEG or WAV file on the CD, you should still use Mode1, as this is still in a Data format, and one bad bit will cause the MPEG file not to open, or the WAV or audio file to get a poping noise or white noise, when you do finally convert to CDA, or just play from the HD.

All Mode 2 does, is not use the ECC or Error Correction Code to prevent a bad bit from occuring.


Regards,

Craig

(in reply to Salvo)
Post #: 2
RE: How to increase of 14% the capacity of a normal CD - 4/10/2002 5:14:34 AM   
Salvo

 

Posts: 3
Joined: 4/9/2002
From: Italy
Status: offline
O.K I understand but the lose of a bit in a video as *.AVI is not a problem (I thing)like you have say for an audio or video MPEG-2.


(in reply to Salvo)
Post #: 3
RE: How to increase of 14% the capacity of a normal CD - 4/10/2002 5:19:53 AM   
Salvo

 

Posts: 3
Joined: 4/9/2002
From: Italy
Status: offline
I have read that there is the possibility to store 747MB of space in an audio CD of 650.I tri to create one CD with 744MB of *.AVI video using mode-2 but I lose the CD-R.....I cannot find a program that can setup a choise between Mode-2 format-1 (used for data) and mode-2 format-2 that is used only for multimedia file as you have say.


(in reply to Salvo)
Post #: 4
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