create audio cd from dvd

[margoles]

i captured a choral presentation (video and audio...100 minutes long) w/o the video input and it created an mpeg 2 file with only 609 mb on it. I then changed it to a 61mb mpg3 file(via mediacoder).....

 

my mpeg 3 file says its only 61 mb and of course the cd is supposed to hold 700 plus mb. when i try to burn ia cd (meant for the car) via roxio,or window media or nero, it says to delete 20 minutes of the audio.... it IS a 100 minute tape.....too long?

am i going to have to re capture the choral into 2 parts, then burn 2 audios? do you know why, although the files say 61 mb, cd- cds wont burn more than 80 minutes?

thanks for your help and i would appreciate any ideas.........

 

i DID find a thread on the forum that could explain some of this...here it is...

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

 

I would like to burn wav files that I have stored on my computor from CDs; however, during the burning process the wav file size on the computer decreases from 44Mb to 1Kb on the newly burned disk. That's a detail drop ratio of 44,000 to 1. As an audiophile, this is unacceptable. How can I stop this deterioration of detail? FPRIVATE

Are you referring to an audio cd? Do you see texts there with cda as part of the name? Those cda's are pointers to the wav files on the disc. So the 1Kb you see refers to the pointer rather than the actual music file.

Let me offer one other detail...when you burn an audio CD, you're creating tracks, not files on the CD. An Audio CD (CDDA) has a different physical format of how the data is put onto the disc than a Data CD, so indeed, as Malatekid said, all you're seeing in Windows explorer is a "placeholder" that Windows uses to indicate there are tracks on the discs.[/b] There is no such thing as a ".CDA" file, it's just a pointer to the track and bears no relation to the actual size of the track.

 

Your Audio CD is not getting compressed. As an audiophile, surely if you listened to the disc you'd be able to hear the difference between a 44MB file and a 1KB file. Trust your ears here.

 

[bimicher]

i captured a choral presentation (video and audio...100 minutes long) w/o the video input and it created an mpeg 2 file with only 609 mb on it. I then changed it to a 61mb mpg3 file(via mediacoder).....

 

my mpeg 3 file says its only 61 mb and of course the cd is supposed to hold 700 plus mb. when i try to burn ia cd (meant for the car) via roxio,or window media or nero, it says to delete 20 minutes of the audio.... it IS a 100 minute tape.....too long?

am i going to have to re capture the choral into 2 parts, then burn 2 audios? do you know why, although the files say 61 mb, cd- cds wont burn more than 80 minutes?

thanks for your help and i would appreciate any ideas.........

 

i DID find a thread on the forum that could explain some of this...here it is...

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

 

I would like to burn wav files that I have stored on my computor from CDs; however, during the burning process the wav file size on the computer decreases from 44Mb to 1Kb on the newly burned disk. That's a detail drop ratio of 44,000 to 1. As an audiophile, this is unacceptable. How can I stop this deterioration of detail? FPRIVATE

Are you referring to an audio cd? Do you see texts there with cda as part of the name? Those cda's are pointers to the wav files on the disc. So the 1Kb you see refers to the pointer rather than the actual music file.

Let me offer one other detail...when you burn an audio CD, you're creating tracks, not files on the CD. An Audio CD (CDDA) has a different physical format of how the data is put onto the disc than a Data CD, so indeed, as Malatekid said, all you're seeing in Windows explorer is a "placeholder" that Windows uses to indicate there are tracks on the discs.[/b] There is no such thing as a ".CDA" file, it's just a pointer to the track and bears no relation to the actual size of the track.

 

Your Audio CD is not getting compressed. As an audiophile, surely if you listened to the disc you'd be able to hear the difference between a 44MB file and a 1KB file. Trust your ears here.

 

I assume you are referring to mp3(audio) and not mpeg3(audio and video).

If its mp3 then there should be no problem burning it to a data CD. If you want to burn an audio CD then you will have to split the audio into 2 parts since an audio CD can only hold 60-70 minutes of audio.

[margoles]

I assume you are referring to mp3(audio) and not mpeg3(audio and video).

If its mp3 then there should be no problem burning it to a data CD. If you want to burn an audio CD then you will have to split the audio into 2 parts since an audio CD can only hold 60-70 minutes of audio.

 

yes i encoded my mpeg 2 into an mpeg 3. I do not want a data cd but an audio cd to play in my car/home. yes i guess i will split it into 2 cds as it IS 100 minutes long.... what i dont get is... if it is a 61mb file and cd- hold 700 mb, why cant this cd take it all? thanks for your help..... i was hoping the "guru" would answer me.....

ps... isnt it an mpeg 4 that holds audio and video?

[Larry]

yes i encoded my mpeg 2 into an mpeg 3. I do not want a data cd but an audio cd to play in my car/home. yes i guess i will split it into 2 cds as it IS 100 minutes long.... what i dont get is... if it is a 61mb file and cd- hold 700 mb, why cant this cd take it all? thanks for your help..... i was hoping the "guru" would answer me.....

ps... isnt it an mpeg 4 that holds audio and video?

 

Basically speaking, you didn't 'convert' the mpeg2 video file to a mpeg3 video file. You 'extracted' the audio from the mpeg2 file into an mp3 audio file using the app you mentioned.

 

When it comes to an audio CD, the size of the source audio file(s) is irrelevant, as they are converted to the audio cd standard (which is wav btw). So in the case of mp3 files (like you have), they will actually increase in size to meet that standard. the only way to calculate how much will fit on an Audio CD is to look at the length of time of the selected files, and keep them to <80min.

[margoles]

 

thank you thank you! yes i EXTRACTED the audio......am dividing up the files as we speak....